Merge branch 'feature_intent' into feature_intent_container_tree

Conflicts:
	.gitlab-ci.yml
	cura/Machines/MaterialManager.py
	cura/Machines/VariantManager.py
	cura/Settings/ContainerManager.py
	cura/Settings/MachineManager.py
	tests/TestMachineManager.py

.gitignore

@@ -72,3 +72,6 @@ run.sh
 CuraEngine
 
 /.coverage
+
+#Prevents import failures when plugin running tests
+plugins/__init__.py

.gitlab-ci.yml

@@ -3,7 +3,6 @@ image: registry.gitlab.com/ultimaker/cura/cura-build-environment:centos7
 stages:
   - build
 
-
 build and test linux:
   stage: build
   tags:

CMakeLists.txt

@@ -22,10 +22,10 @@ set(CURA_VERSION "master" CACHE STRING "Version name of Cura")
 set(CURA_BUILDTYPE "" CACHE STRING "Build type of Cura, eg. 'PPA'")
 set(CURA_CLOUD_API_ROOT "" CACHE STRING "Alternative Cura cloud API root")
 set(CURA_CLOUD_API_VERSION "" CACHE STRING "Alternative Cura cloud API version")
+set(CURA_CLOUD_ACCOUNT_API_ROOT "" CACHE STRING "Alternative Cura cloud account API version")
 
 configure_file(${CMAKE_SOURCE_DIR}/cura.desktop.in ${CMAKE_BINARY_DIR}/cura.desktop @ONLY)
 
-
 configure_file(cura/CuraVersion.py.in CuraVersion.py @ONLY)
 
 

cura/ApplicationMetadata.py

@@ -9,7 +9,7 @@ DEFAULT_CURA_DISPLAY_NAME = "Ultimaker Cura"
 DEFAULT_CURA_VERSION = "master"
 DEFAULT_CURA_BUILD_TYPE = ""
 DEFAULT_CURA_DEBUG_MODE = False
-DEFAULT_CURA_SDK_VERSION = "6.1.0"
+DEFAULT_CURA_SDK_VERSION = "6.2.0"
 
 try:
     from cura.CuraVersion import CuraAppName  # type: ignore
@@ -45,4 +45,4 @@ except ImportError:
 # Each release has a fixed SDK version coupled with it. It doesn't make sense to make it configurable because, for
 # example Cura 3.2 with SDK version 6.1 will not work. So the SDK version is hard-coded here and left out of the
 # CuraVersion.py.in template.
-CuraSDKVersion = "6.1.0"
+CuraSDKVersion = "6.2.0"

cura/Arranging/ShapeArray.py

@@ -1,5 +1,5 @@
-#Copyright (c) 2019 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
-#Cura is released under the terms of the LGPLv3 or higher.
+# Cura is released under the terms of the LGPLv3 or higher.
 
 import numpy
 import copy
@@ -10,6 +10,7 @@ from UM.Math.Polygon import Polygon
 if TYPE_CHECKING:
     from UM.Scene.SceneNode import SceneNode
 
+
 ##  Polygon representation as an array for use with Arrange
 class ShapeArray:
     def __init__(self, arr: numpy.array, offset_x: float, offset_y: float, scale: float = 1) -> None:
@@ -101,7 +102,9 @@ class ShapeArray:
 
         # Create check array for each edge segment, combine into fill array
         for k in range(vertices.shape[0]):
-            fill = numpy.all([fill, cls._check(vertices[k - 1], vertices[k], base_array)], axis=0)
+            check_array = cls._check(vertices[k - 1], vertices[k], base_array)
+            if check_array is not None:
+                fill = numpy.all([fill, check_array], axis=0)
 
         # Set all values inside polygon to one
         base_array[fill] = 1
@@ -117,9 +120,9 @@ class ShapeArray:
     #   \param p2 2-tuple with x, y for point 2
     #   \param base_array boolean array to project the line on
     @classmethod
-    def _check(cls, p1: numpy.array, p2: numpy.array, base_array: numpy.array) -> bool:
+    def _check(cls, p1: numpy.array, p2: numpy.array, base_array: numpy.array) -> Optional[numpy.array]:
         if p1[0] == p2[0] and p1[1] == p2[1]:
-            return False
+            return None
         idxs = numpy.indices(base_array.shape)  # Create 3D array of indices
 
         p1 = p1.astype(float)

cura/BuildVolume.py

@@ -64,7 +64,7 @@ class BuildVolume(SceneNode):
 
         self._origin_mesh = None  # type: Optional[MeshData]
         self._origin_line_length = 20
-        self._origin_line_width = 0.5
+        self._origin_line_width = 1.5
 
         self._grid_mesh = None   # type: Optional[MeshData]
         self._grid_shader = None
@@ -258,7 +258,7 @@ class BuildVolume(SceneNode):
                     node.setOutsideBuildArea(True)
                     continue
 
-                if node.collidesWithArea(self.getDisallowedAreas()):
+                if node.collidesWithAreas(self.getDisallowedAreas()):
                     node.setOutsideBuildArea(True)
                     continue
                 # If the entire node is below the build plate, still mark it as outside.
@@ -312,7 +312,7 @@ class BuildVolume(SceneNode):
                 node.setOutsideBuildArea(True)
                 return
 
-            if node.collidesWithArea(self.getDisallowedAreas()):
+            if node.collidesWithAreas(self.getDisallowedAreas()):
                 node.setOutsideBuildArea(True)
                 return
 
@@ -770,7 +770,7 @@ class BuildVolume(SceneNode):
 
         self._has_errors = len(self._error_areas) > 0
 
-        self._disallowed_areas = []  # type: List[Polygon]
+        self._disallowed_areas = []
         for extruder_id in result_areas:
             self._disallowed_areas.extend(result_areas[extruder_id])
         self._disallowed_areas_no_brim = []

cura/CuraActions.py

@@ -3,7 +3,7 @@
 
 from PyQt5.QtCore import QObject, QUrl
 from PyQt5.QtGui import QDesktopServices
-from typing import List, TYPE_CHECKING, cast
+from typing import List, cast
 
 from UM.Event import CallFunctionEvent
 from UM.FlameProfiler import pyqtSlot
@@ -23,9 +23,8 @@ from cura.Settings.ExtruderManager import ExtruderManager
 from cura.Operations.SetBuildPlateNumberOperation import SetBuildPlateNumberOperation
 
 from UM.Logger import Logger
+from UM.Scene.SceneNode import SceneNode
 
-if TYPE_CHECKING:
-    from UM.Scene.SceneNode import SceneNode
 
 class CuraActions(QObject):
     def __init__(self, parent: QObject = None) -> None:

cura/CuraApplication.py

@@ -146,7 +146,7 @@ class CuraApplication(QtApplication):
     # SettingVersion represents the set of settings available in the machine/extruder definitions.
     # You need to make sure that this version number needs to be increased if there is any non-backwards-compatible
     # changes of the settings.
-    SettingVersion = 8
+    SettingVersion = 9
 
     Created = False
 
@@ -425,7 +425,7 @@ class CuraApplication(QtApplication):
         # Add empty variant, material and quality containers.
         # Since they are empty, they should never be serialized and instead just programmatically created.
         # We need them to simplify the switching between materials.
-        self.empty_container = cura.Settings.cura_empty_instance_containers.empty_container  # type: EmptyInstanceContainer
+        self.empty_container = cura.Settings.cura_empty_instance_containers.empty_container
 
         self._container_registry.addContainer(
             cura.Settings.cura_empty_instance_containers.empty_definition_changes_container)
@@ -1266,7 +1266,7 @@ class CuraApplication(QtApplication):
     @pyqtSlot()
     def arrangeObjectsToAllBuildPlates(self) -> None:
         nodes_to_arrange = []
-        for node in DepthFirstIterator(self.getController().getScene().getRoot()):  # type: ignore
+        for node in DepthFirstIterator(self.getController().getScene().getRoot()):
             if not isinstance(node, SceneNode):
                 continue
 
@@ -1293,7 +1293,7 @@ class CuraApplication(QtApplication):
     def arrangeAll(self) -> None:
         nodes_to_arrange = []
         active_build_plate = self.getMultiBuildPlateModel().activeBuildPlate
-        for node in DepthFirstIterator(self.getController().getScene().getRoot()):  # type: ignore
+        for node in DepthFirstIterator(self.getController().getScene().getRoot()):
             if not isinstance(node, SceneNode):
                 continue
 
@@ -1331,7 +1331,7 @@ class CuraApplication(QtApplication):
         Logger.log("i", "Reloading all loaded mesh data.")
         nodes = []
         has_merged_nodes = False
-        for node in DepthFirstIterator(self.getController().getScene().getRoot()):  # type: ignore
+        for node in DepthFirstIterator(self.getController().getScene().getRoot()):
             if not isinstance(node, CuraSceneNode) or not node.getMeshData():
                 if node.getName() == "MergedMesh":
                     has_merged_nodes = True
@@ -1343,9 +1343,9 @@ class CuraApplication(QtApplication):
             return
 
         for node in nodes:
-            file_name = node.getMeshData().getFileName()
+            mesh_data = node.getMeshData()
-            if file_name:
+            if mesh_data and mesh_data.getFileName():
-                job = ReadMeshJob(file_name)
+                job = ReadMeshJob(mesh_data.getFileName())
                 job._node = node  # type: ignore
                 job.finished.connect(self._reloadMeshFinished)
                 if has_merged_nodes:

cura/Layer.py

@@ -1,14 +1,20 @@
-from UM.Mesh.MeshBuilder import MeshBuilder
+# Copyright (c) 2019 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
 
+from typing import List
 import numpy
 
+from UM.Mesh.MeshBuilder import MeshBuilder
+from UM.Mesh.MeshData import MeshData
+from cura.LayerPolygon import LayerPolygon
+
 
 class Layer:
-    def __init__(self, layer_id):
+    def __init__(self, layer_id: int) -> None:
         self._id = layer_id
         self._height = 0.0
         self._thickness = 0.0
-        self._polygons = []
+        self._polygons = []  # type: List[LayerPolygon]
         self._element_count = 0
 
     @property
@@ -20,7 +26,7 @@ class Layer:
         return self._thickness
 
     @property
-    def polygons(self):
+    def polygons(self) -> List[LayerPolygon]:
         return self._polygons
 
     @property
@@ -33,14 +39,14 @@ class Layer:
     def setThickness(self, thickness):
         self._thickness = thickness
 
-    def lineMeshVertexCount(self):
+    def lineMeshVertexCount(self) -> int:
         result = 0
         for polygon in self._polygons:
             result += polygon.lineMeshVertexCount()
 
         return result
 
-    def lineMeshElementCount(self):
+    def lineMeshElementCount(self) -> int:
         result = 0
         for polygon in self._polygons:
             result += polygon.lineMeshElementCount()
@@ -57,18 +63,18 @@ class Layer:
             result_index_offset += polygon.lineMeshElementCount()
             self._element_count += polygon.elementCount
 
-        return (result_vertex_offset, result_index_offset)
+        return result_vertex_offset, result_index_offset
 
-    def createMesh(self):
+    def createMesh(self) -> MeshData:
         return self.createMeshOrJumps(True)
 
-    def createJumps(self):
+    def createJumps(self) -> MeshData:
         return self.createMeshOrJumps(False)
 
     # Defines the two triplets of local point indices to use to draw the two faces for each line segment in createMeshOrJump
     __index_pattern = numpy.array([[0, 3, 2, 0, 1, 3]], dtype = numpy.int32 )
 
-    def createMeshOrJumps(self, make_mesh):
+    def createMeshOrJumps(self, make_mesh: bool) -> MeshData:
         builder = MeshBuilder()
         
         line_count = 0
@@ -79,14 +85,14 @@ class Layer:
             for polygon in self._polygons:
                 line_count += polygon.jumpCount
 
-        # Reserve the neccesary space for the data upfront
+        # Reserve the necessary space for the data upfront
         builder.reserveFaceAndVertexCount(2 * line_count, 4 * line_count)
         
         for polygon in self._polygons:
-            # Filter out the types of lines we are not interesed in depending on whether we are drawing the mesh or the jumps.
+            # Filter out the types of lines we are not interested in depending on whether we are drawing the mesh or the jumps.
             index_mask = numpy.logical_not(polygon.jumpMask) if make_mesh else polygon.jumpMask
 
-            # Create an array with rows [p p+1] and only keep those we whant to draw based on make_mesh
+            # Create an array with rows [p p+1] and only keep those we want to draw based on make_mesh
             points = numpy.concatenate((polygon.data[:-1], polygon.data[1:]), 1)[index_mask.ravel()]
             # Line types of the points we want to draw
             line_types = polygon.types[index_mask]

cura/LayerPolygon.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2017 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from UM.Application import Application
@@ -61,19 +61,19 @@ class LayerPolygon:
         
         # When type is used as index returns true if type == LayerPolygon.InfillType or type == LayerPolygon.SkinType or type == LayerPolygon.SupportInfillType
         # Should be generated in better way, not hardcoded.
-        self._isInfillOrSkinTypeMap = numpy.array([0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1], dtype=numpy.bool)
+        self._isInfillOrSkinTypeMap = numpy.array([0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0], dtype = numpy.bool)
         
         self._build_cache_line_mesh_mask = None  # type: Optional[numpy.ndarray]
         self._build_cache_needed_points = None  # type: Optional[numpy.ndarray]
         
     def buildCache(self) -> None:
         # For the line mesh we do not draw Infill or Jumps. Therefore those lines are filtered out.
-        self._build_cache_line_mesh_mask = numpy.ones(self._jump_mask.shape, dtype=bool)
+        self._build_cache_line_mesh_mask = numpy.ones(self._jump_mask.shape, dtype = bool)
         mesh_line_count = numpy.sum(self._build_cache_line_mesh_mask)
         self._index_begin = 0
         self._index_end = mesh_line_count
         
-        self._build_cache_needed_points = numpy.ones((len(self._types), 2), dtype=numpy.bool)
+        self._build_cache_needed_points = numpy.ones((len(self._types), 2), dtype = numpy.bool)
         # Only if the type of line segment changes do we need to add an extra vertex to change colors
         self._build_cache_needed_points[1:, 0][:, numpy.newaxis] = self._types[1:] != self._types[:-1]
         # Mark points as unneeded if they are of types we don't want in the line mesh according to the calculated mask
@@ -136,9 +136,9 @@ class LayerPolygon:
         self._index_begin += index_offset
         self._index_end += index_offset
         
-        indices[self._index_begin:self._index_end, :] = numpy.arange(self._index_end-self._index_begin, dtype=numpy.int32).reshape((-1, 1))
+        indices[self._index_begin:self._index_end, :] = numpy.arange(self._index_end-self._index_begin, dtype = numpy.int32).reshape((-1, 1))
         # When the line type changes the index needs to be increased by 2.
-        indices[self._index_begin:self._index_end, :] += numpy.cumsum(needed_points_list[line_mesh_mask.ravel(), 0], dtype=numpy.int32).reshape((-1, 1))
+        indices[self._index_begin:self._index_end, :] += numpy.cumsum(needed_points_list[line_mesh_mask.ravel(), 0], dtype = numpy.int32).reshape((-1, 1))
         # Each line segment goes from it's starting point p to p+1, offset by the vertex index. 
         # The -1 is to compensate for the neccecarily True value of needed_points_list[0,0] which causes an unwanted +1 in cumsum above.
         indices[self._index_begin:self._index_end, :] += numpy.array([self._vertex_begin - 1, self._vertex_begin])

cura/Machines/MachineErrorChecker.py

@@ -127,7 +127,7 @@ class MachineErrorChecker(QObject):
 
         # Populate the (stack, key) tuples to check
         self._stacks_and_keys_to_check = deque()
-        for stack in [global_stack] + list(global_stack.extruders.values()):
+        for stack in global_stack.extruders.values():
             for key in stack.getAllKeys():
                 self._stacks_and_keys_to_check.append((stack, key))
 

cura/Machines/Models/DiscoveredPrintersModel.py

@@ -75,7 +75,7 @@ class DiscoveredPrinter(QObject):
     def readableMachineType(self) -> str:
         from cura.CuraApplication import CuraApplication
         machine_manager = CuraApplication.getInstance().getMachineManager()
-        # In ClusterUM3OutputDevice, when it updates a printer information, it updates the machine type using the field
+        # In LocalClusterOutputDevice, when it updates a printer information, it updates the machine type using the field
         # "machine_variant", and for some reason, it's not the machine type ID/codename/... but a human-readable string
         # like "Ultimaker 3". The code below handles this case.
         if self._hasHumanReadableMachineTypeName(self._machine_type):

cura/Machines/VariantManager.py

@@ -93,7 +93,14 @@ class VariantManager:
                 if variant_definition not in self._machine_to_buildplate_dict_map:
                     self._machine_to_buildplate_dict_map[variant_definition] = OrderedDict()
 
+                try:
                     variant_container = container_registry.findContainers(type = "variant", id = variant_metadata["id"])[0]
+                except IndexError as e:
+                    # It still needs to break, but we want to know what variant ID made it break.
+                    msg = "Unable to find build plate variant with the id [%s]" % variant_metadata["id"]
+                    Logger.logException("e", msg)
+                    raise IndexError(msg)
+
                 buildplate_type = variant_container.getProperty("machine_buildplate_type", "value")
                 if buildplate_type not in self._machine_to_buildplate_dict_map[variant_definition]:
                     self._machine_to_variant_dict_map[variant_definition][buildplate_type] = dict()

cura/MultiplyObjectsJob.py

@@ -2,10 +2,12 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 import copy
+from typing import List
 
 from UM.Job import Job
 from UM.Operations.GroupedOperation import GroupedOperation
 from UM.Message import Message
+from UM.Scene.SceneNode import SceneNode
 from UM.i18n import i18nCatalog
 i18n_catalog = i18nCatalog("cura")
 
@@ -23,7 +25,7 @@ class MultiplyObjectsJob(Job):
         self._count = count
         self._min_offset = min_offset
 
-    def run(self):
+    def run(self) -> None:
         status_message = Message(i18n_catalog.i18nc("@info:status", "Multiplying and placing objects"), lifetime=0,
                                  dismissable=False, progress=0, title = i18n_catalog.i18nc("@info:title", "Placing Objects"))
         status_message.show()
@@ -33,13 +35,15 @@ class MultiplyObjectsJob(Job):
         current_progress = 0
 
         global_container_stack = Application.getInstance().getGlobalContainerStack()
+        if global_container_stack is None:
+            return  # We can't do anything in this case.
         machine_width = global_container_stack.getProperty("machine_width", "value")
         machine_depth = global_container_stack.getProperty("machine_depth", "value")
 
         root = scene.getRoot()
         scale = 0.5
         arranger = Arrange.create(x = machine_width, y = machine_depth, scene_root = root, scale = scale, min_offset = self._min_offset)
-        processed_nodes = []
+        processed_nodes = []  # type: List[SceneNode]
         nodes = []
 
         not_fit_count = 0
@@ -67,7 +71,11 @@ class MultiplyObjectsJob(Job):
                 new_node = copy.deepcopy(node)
                 solution_found = False
                 if not node_too_big:
+                    if offset_shape_arr is not None and hull_shape_arr is not None:
                         solution_found = arranger.findNodePlacement(new_node, offset_shape_arr, hull_shape_arr)
+                    else:
+                        # The node has no shape, so no need to arrange it. The solution is simple: Do nothing. 
+                        solution_found = True
 
                 if node_too_big or not solution_found:
                     found_solution_for_all = False

cura/OAuth2/LocalAuthorizationServer.py

@@ -63,6 +63,10 @@ class LocalAuthorizationServer:
         Logger.log("d", "Stopping local oauth2 web server...")
 
         if self._web_server:
+            try:
                 self._web_server.server_close()
+            except OSError:
+                # OS error can happen if the socket was already closed. We really don't care about that case.
+                pass
         self._web_server = None
         self._web_server_thread = None

cura/PlatformPhysics.py

@@ -49,18 +49,20 @@ class PlatformPhysics:
             return
 
         root = self._controller.getScene().getRoot()
+        build_volume = Application.getInstance().getBuildVolume()
+        build_volume.updateNodeBoundaryCheck()
 
         # Keep a list of nodes that are moving. We use this so that we don't move two intersecting objects in the
         # same direction.
         transformed_nodes = []
 
-        # We try to shuffle all the nodes to prevent "locked" situations, where iteration B inverts iteration A.
-        # By shuffling the order of the nodes, this might happen a few times, but at some point it will resolve.
         nodes = list(BreadthFirstIterator(root))
 
         # Only check nodes inside build area.
         nodes = [node for node in nodes if (hasattr(node, "_outside_buildarea") and not node._outside_buildarea)]
 
+        # We try to shuffle all the nodes to prevent "locked" situations, where iteration B inverts iteration A.
+        # By shuffling the order of the nodes, this might happen a few times, but at some point it will resolve.
         random.shuffle(nodes)
         for node in nodes:
             if node is root or not isinstance(node, SceneNode) or node.getBoundingBox() is None:
@@ -160,7 +162,6 @@ class PlatformPhysics:
                 op.push()
 
         # After moving, we have to evaluate the boundary checks for nodes
-        build_volume = Application.getInstance().getBuildVolume()
         build_volume.updateNodeBoundaryCheck()
 
     def _onToolOperationStarted(self, tool):

cura/PreviewPass.py

@@ -1,7 +1,8 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from typing import Optional, TYPE_CHECKING
+from typing import Optional, TYPE_CHECKING, cast
+
 
 from UM.Application import Application
 from UM.Resources import Resources
@@ -12,6 +13,7 @@ from UM.View.RenderBatch import RenderBatch
 
 
 from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
+from cura.Scene.CuraSceneNode import CuraSceneNode
 
 if TYPE_CHECKING:
     from UM.View.GL.ShaderProgram import ShaderProgram
@@ -44,9 +46,9 @@ class PreviewPass(RenderPass):
 
         self._renderer = Application.getInstance().getRenderer()
 
-        self._shader = None #type: Optional[ShaderProgram]
+        self._shader = None  # type: Optional[ShaderProgram]
-        self._non_printing_shader = None #type: Optional[ShaderProgram]
+        self._non_printing_shader = None  # type: Optional[ShaderProgram]
-        self._support_mesh_shader = None #type: Optional[ShaderProgram]
+        self._support_mesh_shader = None  # type: Optional[ShaderProgram]
         self._scene = Application.getInstance().getController().getScene()
 
     #   Set the camera to be used by this render pass
@@ -83,8 +85,8 @@ class PreviewPass(RenderPass):
         batch_support_mesh = RenderBatch(self._support_mesh_shader)
 
         # Fill up the batch with objects that can be sliced.
-        for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+        for node in DepthFirstIterator(self._scene.getRoot()):
-            if hasattr(node, "_outside_buildarea") and not node._outside_buildarea:
+            if hasattr(node, "_outside_buildarea") and not getattr(node, "_outside_buildarea"):
                 if node.callDecoration("isSliceable") and node.getMeshData() and node.isVisible():
                     per_mesh_stack = node.callDecoration("getStack")
                     if node.callDecoration("isNonThumbnailVisibleMesh"):
@@ -94,7 +96,7 @@ class PreviewPass(RenderPass):
                         # Support mesh
                         uniforms = {}
                         shade_factor = 0.6
-                        diffuse_color = node.getDiffuseColor()
+                        diffuse_color = cast(CuraSceneNode, node).getDiffuseColor()
                         diffuse_color2 = [
                             diffuse_color[0] * shade_factor,
                             diffuse_color[1] * shade_factor,
@@ -106,7 +108,7 @@ class PreviewPass(RenderPass):
                     else:
                         # Normal scene node
                         uniforms = {}
-                        uniforms["diffuse_color"] = prettier_color(node.getDiffuseColor())
+                        uniforms["diffuse_color"] = prettier_color(cast(CuraSceneNode, node).getDiffuseColor())
                         batch.addItem(node.getWorldTransformation(), node.getMeshData(), uniforms = uniforms)
 
         self.bind()

cura/PrinterOutput/GenericOutputController.py

@@ -55,7 +55,7 @@ class GenericOutputController(PrinterOutputController):
                 self._preheat_hotends_timer.stop()
                 for extruder in self._preheat_hotends:
                     extruder.updateIsPreheating(False)
-                self._preheat_hotends = set()  # type: Set[ExtruderOutputModel]
+                self._preheat_hotends = set()
 
     def moveHead(self, printer: "PrinterOutputModel", x, y, z, speed) -> None:
         self._output_device.sendCommand("G91")
@@ -159,7 +159,7 @@ class GenericOutputController(PrinterOutputController):
     def _onPreheatHotendsTimerFinished(self) -> None:
         for extruder in self._preheat_hotends:
             self.setTargetHotendTemperature(extruder.getPrinter(), extruder.getPosition(), 0)
-        self._preheat_hotends = set() #type: Set[ExtruderOutputModel]
+        self._preheat_hotends = set()
 
     # Cancel any ongoing preheating timers, without setting back the temperature to 0
     # This can be used eg at the start of a print
@@ -167,7 +167,7 @@ class GenericOutputController(PrinterOutputController):
         if self._preheat_hotends_timer.isActive():
             for extruder in self._preheat_hotends:
                 extruder.updateIsPreheating(False)
-            self._preheat_hotends = set() #type: Set[ExtruderOutputModel]
+            self._preheat_hotends = set()
 
             self._preheat_hotends_timer.stop()
 

cura/PrinterOutput/Models/PrinterOutputModel.py

@@ -2,13 +2,13 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from PyQt5.QtCore import pyqtSignal, pyqtProperty, QObject, QVariant, pyqtSlot, QUrl
-from typing import List, Dict, Optional
+from typing import List, Dict, Optional, TYPE_CHECKING
 from UM.Math.Vector import Vector
+from cura.PrinterOutput.Peripheral import Peripheral
 from cura.PrinterOutput.Models.PrinterConfigurationModel import PrinterConfigurationModel
 from cura.PrinterOutput.Models.ExtruderOutputModel import ExtruderOutputModel
 
-MYPY = False
+if TYPE_CHECKING:
-if MYPY:
     from cura.PrinterOutput.Models.PrintJobOutputModel import PrintJobOutputModel
     from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
 
@@ -45,6 +45,7 @@ class PrinterOutputModel(QObject):
         self._is_preheating = False
         self._printer_type = ""
         self._buildplate = ""
+        self._peripherals = []  # type: List[Peripheral]
 
         self._printer_configuration.extruderConfigurations = [extruder.extruderConfiguration for extruder in
                                                               self._extruders]
@@ -295,3 +296,17 @@ class PrinterOutputModel(QObject):
         if self._printer_configuration.isValid():
             return self._printer_configuration
         return None
+
+    peripheralsChanged = pyqtSignal()
+
+    @pyqtProperty(str, notify = peripheralsChanged)
+    def peripherals(self) -> str:
+        return ", ".join(*[peripheral.name for peripheral in self._peripherals])
+
+    def addPeripheral(self, peripheral: Peripheral) -> None:
+        self._peripherals.append(peripheral)
+        self.peripheralsChanged.emit()
+
+    def removePeripheral(self, peripheral: Peripheral) -> None:
+        self._peripherals.remove(peripheral)
+        self.peripheralsChanged.emit()

cura/PrinterOutput/NetworkedPrinterOutputDevice.py

@@ -60,8 +60,8 @@ class NetworkedPrinterOutputDevice(PrinterOutputDevice):
         self._gcode = []                    # type: List[str]
         self._connection_state_before_timeout = None    # type: Optional[ConnectionState]
 
-    def requestWrite(self, nodes: List[SceneNode], file_name: Optional[str] = None, limit_mimetypes: bool = False,
+    def requestWrite(self, nodes: List["SceneNode"], file_name: Optional[str] = None, limit_mimetypes: bool = False,
-                     file_handler: Optional[FileHandler] = None, **kwargs: str) -> None:
+                     file_handler: Optional["FileHandler"] = None, filter_by_machine: bool = False, **kwargs) -> None:
         raise NotImplementedError("requestWrite needs to be implemented")
 
     def setAuthenticationState(self, authentication_state: AuthState) -> None:

cura/PrinterOutput/Peripheral.py

@@ -0,0 +1,16 @@
+# Copyright (c) 2019 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+
+##  Data class that represents a peripheral for a printer.
+#
+#   Output device plug-ins may specify that the printer has a certain set of
+#   peripherals. This set is then possibly shown in the interface of the monitor
+#   stage.
+class Peripheral:
+    ##  Constructs the peripheral.
+    #   \param type A unique ID for the type of peripheral.
+    #   \param name A human-readable name for the peripheral.
+    def __init__(self, peripheral_type: str, name: str) -> None:
+        self.type = peripheral_type
+        self.name = name

cura/PrinterOutput/PrinterOutputDevice.py

@@ -144,7 +144,7 @@ class PrinterOutputDevice(QObject, OutputDevice):
         return None
 
     def requestWrite(self, nodes: List["SceneNode"], file_name: Optional[str] = None, limit_mimetypes: bool = False,
-                     file_handler: Optional["FileHandler"] = None, **kwargs: str) -> None:
+                     file_handler: Optional["FileHandler"] = None, filter_by_machine: bool = False, **kwargs) -> None:
         raise NotImplementedError("requestWrite needs to be implemented")
 
     @pyqtProperty(QObject, notify = printersChanged)

cura/Scene/CuraSceneNode.py

@@ -6,13 +6,13 @@ from typing import cast, Dict, List, Optional
 
 from UM.Application import Application
 from UM.Math.AxisAlignedBox import AxisAlignedBox
-from UM.Math.Polygon import Polygon #For typing.
+from UM.Math.Polygon import Polygon  # For typing.
 from UM.Scene.SceneNode import SceneNode
-from UM.Scene.SceneNodeDecorator import SceneNodeDecorator #To cast the deepcopy of every decorator back to SceneNodeDecorator.
+from UM.Scene.SceneNodeDecorator import SceneNodeDecorator  # To cast the deepcopy of every decorator back to SceneNodeDecorator.
 
-import cura.CuraApplication #To get the build plate.
+import cura.CuraApplication  # To get the build plate.
-from cura.Settings.ExtruderStack import ExtruderStack #For typing.
+from cura.Settings.ExtruderStack import ExtruderStack  # For typing.
-from cura.Settings.SettingOverrideDecorator import SettingOverrideDecorator #For per-object settings.
+from cura.Settings.SettingOverrideDecorator import SettingOverrideDecorator  # For per-object settings.
 
 
 ##  Scene nodes that are models are only seen when selecting the corresponding build plate
@@ -21,7 +21,7 @@ class CuraSceneNode(SceneNode):
     def __init__(self, parent: Optional["SceneNode"] = None, visible: bool = True, name: str = "", no_setting_override: bool = False) -> None:
         super().__init__(parent = parent, visible = visible, name = name)
         if not no_setting_override:
-            self.addDecorator(SettingOverrideDecorator())  # now we always have a getActiveExtruderPosition, unless explicitly disabled
+            self.addDecorator(SettingOverrideDecorator())  # Now we always have a getActiveExtruderPosition, unless explicitly disabled
         self._outside_buildarea = False
 
     def setOutsideBuildArea(self, new_value: bool) -> None:
@@ -87,13 +87,13 @@ class CuraSceneNode(SceneNode):
         ]
 
     ##  Return if any area collides with the convex hull of this scene node
-    def collidesWithArea(self, areas: List[Polygon]) -> bool:
+    def collidesWithAreas(self, areas: List[Polygon]) -> bool:
         convex_hull = self.callDecoration("getConvexHull")
         if convex_hull:
             if not convex_hull.isValid():
                 return False
 
-            # Check for collisions between disallowed areas and the object
+            # Check for collisions between provided areas and the object
             for area in areas:
                 overlap = convex_hull.intersectsPolygon(area)
                 if overlap is None:

cura/Settings/CuraContainerRegistry.py

@@ -5,10 +5,11 @@ import os
 import re
 import configparser
 
-from typing import Any, cast, Dict, Optional
+from typing import Any, cast, Dict, Optional, List, Union
 from PyQt5.QtWidgets import QMessageBox
 
 from UM.Decorators import override
+from UM.PluginObject import PluginObject
 from UM.Settings.ContainerFormatError import ContainerFormatError
 from UM.Settings.Interfaces import ContainerInterface
 from UM.Settings.ContainerRegistry import ContainerRegistry
@@ -22,6 +23,7 @@ from UM.Platform import Platform
 from UM.PluginRegistry import PluginRegistry  # For getting the possible profile writers to write with.
 from UM.Util import parseBool
 from UM.Resources import Resources
+from cura.ReaderWriters.ProfileWriter import ProfileWriter
 
 from . import ExtruderStack
 from . import GlobalStack
@@ -50,10 +52,10 @@ class CuraContainerRegistry(ContainerRegistry):
     #   This will also try to convert a ContainerStack to either Extruder or
     #   Global stack based on metadata information.
     @override(ContainerRegistry)
-    def addContainer(self, container):
+    def addContainer(self, container: ContainerInterface) -> None:
         # Note: Intentional check with type() because we want to ignore subclasses
         if type(container) == ContainerStack:
-            container = self._convertContainerStack(container)
+            container = self._convertContainerStack(cast(ContainerStack, container))
 
         if isinstance(container, InstanceContainer) and type(container) != type(self.getEmptyInstanceContainer()):
             # Check against setting version of the definition.
@@ -61,7 +63,7 @@ class CuraContainerRegistry(ContainerRegistry):
             actual_setting_version = int(container.getMetaDataEntry("setting_version", default = 0))
             if required_setting_version != actual_setting_version:
                 Logger.log("w", "Instance container {container_id} is outdated. Its setting version is {actual_setting_version} but it should be {required_setting_version}.".format(container_id = container.getId(), actual_setting_version = actual_setting_version, required_setting_version = required_setting_version))
-                return #Don't add.
+                return  # Don't add.
 
         super().addContainer(container)
 
@@ -71,9 +73,9 @@ class CuraContainerRegistry(ContainerRegistry):
     #   \param new_name \type{string} Base name, which may not be unique
     #   \param fallback_name \type{string} Name to use when (stripped) new_name is empty
     #   \return \type{string} Name that is unique for the specified type and name/id
-    def createUniqueName(self, container_type, current_name, new_name, fallback_name):
+    def createUniqueName(self, container_type: str, current_name: str, new_name: str, fallback_name: str) -> str:
         new_name = new_name.strip()
-        num_check = re.compile("(.*?)\s*#\d+$").match(new_name)
+        num_check = re.compile(r"(.*?)\s*#\d+$").match(new_name)
         if num_check:
             new_name = num_check.group(1)
         if new_name == "":
@@ -92,7 +94,7 @@ class CuraContainerRegistry(ContainerRegistry):
     #   Both the id and the name are checked, because they may not be the same and it is better if they are both unique
     #   \param container_type \type{string} Type of the container (machine, quality, ...)
     #   \param container_name \type{string} Name to check
-    def _containerExists(self, container_type, container_name):
+    def _containerExists(self, container_type: str, container_name: str):
         container_class = ContainerStack if container_type == "machine" else InstanceContainer
 
         return self.findContainersMetadata(container_type = container_class, id = container_name, type = container_type, ignore_case = True) or \
@@ -100,11 +102,11 @@ class CuraContainerRegistry(ContainerRegistry):
 
     ##  Exports an profile to a file
     #
-    #   \param instance_ids \type{list} the IDs of the profiles to export.
+    #   \param container_list \type{list} the containers to export
     #   \param file_name \type{str} the full path and filename to export to.
     #   \param file_type \type{str} the file type with the format "<description> (*.<extension>)"
     #   \return True if the export succeeded, false otherwise.
-    def exportQualityProfile(self, container_list, file_name, file_type) -> bool:
+    def exportQualityProfile(self, container_list: List[InstanceContainer], file_name: str, file_type: str) -> bool:
         # Parse the fileType to deduce what plugin can save the file format.
         # fileType has the format "<description> (*.<extension>)"
         split = file_type.rfind(" (*.")  # Find where the description ends and the extension starts.
@@ -126,6 +128,8 @@ class CuraContainerRegistry(ContainerRegistry):
 
         profile_writer = self._findProfileWriter(extension, description)
         try:
+            if profile_writer is None:
+                raise Exception("Unable to find a profile writer")
             success = profile_writer.write(file_name, container_list)
         except Exception as e:
             Logger.log("e", "Failed to export profile to %s: %s", file_name, str(e))
@@ -150,7 +154,7 @@ class CuraContainerRegistry(ContainerRegistry):
     #   \param extension
     #   \param description
     #   \return The plugin object matching the given extension and description.
-    def _findProfileWriter(self, extension, description):
+    def _findProfileWriter(self, extension: str, description: str) -> Optional[ProfileWriter]:
         plugin_registry = PluginRegistry.getInstance()
         for plugin_id, meta_data in self._getIOPlugins("profile_writer"):
             for supported_type in meta_data["profile_writer"]:  # All file types this plugin can supposedly write.
@@ -158,7 +162,7 @@ class CuraContainerRegistry(ContainerRegistry):
                 if supported_extension == extension:  # This plugin supports a file type with the same extension.
                     supported_description = supported_type.get("description", None)
                     if supported_description == description:  # The description is also identical. Assume it's the same file type.
-                        return plugin_registry.getPluginObject(plugin_id)
+                        return cast(ProfileWriter, plugin_registry.getPluginObject(plugin_id))
         return None
 
     ##  Imports a profile from a file
@@ -324,7 +328,7 @@ class CuraContainerRegistry(ContainerRegistry):
         return {"status": "error", "message": catalog.i18nc("@info:status", "Profile {0} has an unknown file type or is corrupted.", file_name)}
 
     @override(ContainerRegistry)
-    def load(self):
+    def load(self) -> None:
         super().load()
         self._registerSingleExtrusionMachinesExtruderStacks()
         self._connectUpgradedExtruderStacksToMachines()
@@ -406,7 +410,7 @@ class CuraContainerRegistry(ContainerRegistry):
         return result
 
     ##  Convert an "old-style" pure ContainerStack to either an Extruder or Global stack.
-    def _convertContainerStack(self, container):
+    def _convertContainerStack(self, container: ContainerStack) -> Union[ExtruderStack.ExtruderStack, GlobalStack.GlobalStack]:
         assert type(container) == ContainerStack
 
         container_type = container.getMetaDataEntry("type")
@@ -430,14 +434,14 @@ class CuraContainerRegistry(ContainerRegistry):
 
         return new_stack
 
-    def _registerSingleExtrusionMachinesExtruderStacks(self):
+    def _registerSingleExtrusionMachinesExtruderStacks(self) -> None:
         machines = self.findContainerStacks(type = "machine", machine_extruder_trains = {"0": "fdmextruder"})
         for machine in machines:
             extruder_stacks = self.findContainerStacks(type = "extruder_train", machine = machine.getId())
             if not extruder_stacks:
                 self.addExtruderStackForSingleExtrusionMachine(machine, "fdmextruder")
 
-    def _onContainerAdded(self, container):
+    def _onContainerAdded(self, container: ContainerInterface) -> None:
         # We don't have all the machines loaded in the beginning, so in order to add the missing extruder stack
         # for single extrusion machines, we subscribe to the containerAdded signal, and whenever a global stack
         # is added, we check to see if an extruder stack needs to be added.
@@ -671,7 +675,7 @@ class CuraContainerRegistry(ContainerRegistry):
 
         return extruder_stack
 
-    def _findQualityChangesContainerInCuraFolder(self, name):
+    def _findQualityChangesContainerInCuraFolder(self, name: str) -> Optional[InstanceContainer]:
         quality_changes_dir = Resources.getPath(cura.CuraApplication.CuraApplication.ResourceTypes.QualityChangesInstanceContainer)
 
         instance_container = None
@@ -684,7 +688,7 @@ class CuraContainerRegistry(ContainerRegistry):
             parser = configparser.ConfigParser(interpolation = None)
             try:
                 parser.read([file_path])
-            except:
+            except Exception:
                 # Skip, it is not a valid stack file
                 continue
 
@@ -716,7 +720,7 @@ class CuraContainerRegistry(ContainerRegistry):
     # due to problems with loading order, some stacks may not have the proper next stack
     # set after upgrading, because the proper global stack was not yet loaded. This method
     # makes sure those extruders also get the right stack set.
-    def _connectUpgradedExtruderStacksToMachines(self):
+    def _connectUpgradedExtruderStacksToMachines(self) -> None:
         extruder_stacks = self.findContainers(container_type = ExtruderStack.ExtruderStack)
         for extruder_stack in extruder_stacks:
             if extruder_stack.getNextStack():

cura/Settings/CuraStackBuilder.py

@@ -121,8 +121,9 @@ class CuraStackBuilder:
             extruder_definition = registry.findDefinitionContainers(id = extruder_definition_id)[0]
         except IndexError as e:
             # It still needs to break, but we want to know what extruder ID made it break.
-            Logger.log("e", "Unable to find extruder with the id %s", extruder_definition_id)
+            msg = "Unable to find extruder definition with the id [%s]" % extruder_definition_id
-            raise e
+            Logger.logException("e", msg)
+            raise IndexError(msg)
 
         # get material container for extruders
         material_container = application.empty_material_container

cura/Settings/ExtruderManager.py

@@ -12,7 +12,7 @@ from UM.Scene.SceneNode import SceneNode
 from UM.Scene.Selection import Selection
 from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
 from UM.Settings.ContainerRegistry import ContainerRegistry  # Finding containers by ID.
-from UM.Settings.ContainerStack import ContainerStack
+from UM.Decorators import deprecated
 
 from typing import Any, cast, Dict, List, Optional, TYPE_CHECKING, Union
 
@@ -95,6 +95,7 @@ class ExtruderManager(QObject):
     #
     #   \param index The index of the extruder whose name to get.
     @pyqtSlot(int, result = str)
+    @deprecated("Use Cura.MachineManager.activeMachine.extruders[index].name instead", "4.3")
     def getExtruderName(self, index: int) -> str:
         try:
             return self.getActiveExtruderStacks()[index].getName()
@@ -114,7 +115,7 @@ class ExtruderManager(QObject):
             selected_nodes = []  # type: List["SceneNode"]
             for node in Selection.getAllSelectedObjects():
                 if node.callDecoration("isGroup"):
-                    for grouped_node in BreadthFirstIterator(node): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+                    for grouped_node in BreadthFirstIterator(node):
                         if grouped_node.callDecoration("isGroup"):
                             continue
 
@@ -131,7 +132,7 @@ class ExtruderManager(QObject):
                 elif current_extruder_trains:
                     object_extruders.add(current_extruder_trains[0].getId())
 
-            self._selected_object_extruders = list(object_extruders)  # type: List[Union[str, "ExtruderStack"]]
+            self._selected_object_extruders = list(object_extruders)
 
         return self._selected_object_extruders
 
@@ -140,7 +141,7 @@ class ExtruderManager(QObject):
     #   This will trigger a recalculation of the extruders used for the
     #   selection.
     def resetSelectedObjectExtruders(self) -> None:
-        self._selected_object_extruders = []  # type: List[Union[str, "ExtruderStack"]]
+        self._selected_object_extruders = []
         self.selectedObjectExtrudersChanged.emit()
 
     @pyqtSlot(result = QObject)
@@ -380,7 +381,13 @@ class ExtruderManager(QObject):
         elif extruder_stack_0.definition.getId() != expected_extruder_definition_0_id:
             Logger.log("e", "Single extruder printer [{printer}] expected extruder [{expected}], but got [{got}]. I'm making it [{expected}].".format(
                 printer = global_stack.getId(), expected = expected_extruder_definition_0_id, got = extruder_stack_0.definition.getId()))
+            try:
                 extruder_definition = container_registry.findDefinitionContainers(id = expected_extruder_definition_0_id)[0]
+            except IndexError as e:
+                # It still needs to break, but we want to know what extruder ID made it break.
+                msg = "Unable to find extruder definition with the id [%s]" % expected_extruder_definition_0_id
+                Logger.logException("e", msg)
+                raise IndexError(msg)
             extruder_stack_0.definition = extruder_definition
 
     ##  Get all extruder values for a certain setting.

cura/Settings/GlobalStack.py

@@ -118,7 +118,7 @@ class GlobalStack(CuraContainerStack):
     ##  \sa configuredConnectionTypes
     def removeConfiguredConnectionType(self, connection_type: int) -> None:
         configured_connection_types = self.configuredConnectionTypes
-        if connection_type in self.configured_connection_types:
+        if connection_type in configured_connection_types:
             # Store the values as a string.
             configured_connection_types.remove(connection_type)
             self.setMetaDataEntry("connection_type", ",".join([str(c_type) for c_type in configured_connection_types]))

cura/Settings/MachineManager.py

@@ -22,8 +22,8 @@ from UM.Message import Message
 from UM.Settings.SettingFunction import SettingFunction
 from UM.Signal import postponeSignals, CompressTechnique
 
-from cura.Machines.MaterialManager import MaterialManager
 from cura.Machines.QualityManager import getMachineDefinitionIDForQualitySearch, QualityManager
+from cura.Machines.MaterialManager import MaterialManager
 
 from cura.PrinterOutput.PrinterOutputDevice import PrinterOutputDevice, ConnectionType
 from cura.PrinterOutput.Models.PrinterConfigurationModel import PrinterConfigurationModel
@@ -40,11 +40,10 @@ from .CuraStackBuilder import CuraStackBuilder
 
 from UM.i18n import i18nCatalog
 catalog = i18nCatalog("cura")
-
+from cura.Settings.GlobalStack import GlobalStack
 if TYPE_CHECKING:
     from cura.CuraApplication import CuraApplication
     from cura.Settings.CuraContainerStack import CuraContainerStack
-    from cura.Settings.GlobalStack import GlobalStack
     from cura.Machines.ContainerNode import ContainerNode
     from cura.Machines.QualityChangesGroup import QualityChangesGroup
     from cura.Machines.QualityGroup import QualityGroup
@@ -377,7 +376,7 @@ class MachineManager(QObject):
         machines = CuraContainerRegistry.getInstance().findContainerStacks(type = "machine", **metadata_filter)
         for machine in machines:
             if machine.definition.getId() == definition_id:
-                return machine
+                return cast(GlobalStack, machine)
         return None
 
     @pyqtSlot(str)
@@ -588,7 +587,7 @@ class MachineManager(QObject):
     def activeStack(self) -> Optional["ExtruderStack"]:
         return self._active_container_stack
 
-    @pyqtProperty(str, notify=activeMaterialChanged)
+    @pyqtProperty(str, notify = activeMaterialChanged)
     def activeMaterialId(self) -> str:
         if self._active_container_stack:
             material = self._active_container_stack.material
@@ -939,7 +938,7 @@ class MachineManager(QObject):
 
         # Check to see if any objects are set to print with an extruder that will no longer exist
         root_node = self._application.getController().getScene().getRoot()
-        for node in DepthFirstIterator(root_node): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+        for node in DepthFirstIterator(root_node):
             if node.getMeshData():
                 extruder_nr = node.callDecoration("getActiveExtruderPosition")
 
@@ -975,10 +974,13 @@ class MachineManager(QObject):
         self._application.globalContainerStackChanged.emit()
         self.forceUpdateAllSettings()
 
-    # Note that this function is deprecated, but the decorators for this don't play well together!
-    # @deprecated("use Cura.MachineManager.activeMachine.extruders instead", "4.2")
     @pyqtSlot(int, result = QObject)
     def getExtruder(self, position: int) -> Optional[ExtruderStack]:
+        return self._getExtruder(position)
+
+    # This is a workaround for the deprecated decorator and the pyqtSlot not playing well together.
+    @deprecated("use Cura.MachineManager.activeMachine.extruders instead", "4.2")
+    def _getExtruder(self, position) -> Optional[ExtruderStack]:
         if self._global_container_stack:
             return self._global_container_stack.extruders.get(str(position))
         return None
@@ -1101,9 +1103,17 @@ class MachineManager(QObject):
     def _onRootMaterialChanged(self) -> None:
         self._current_root_material_id = {}
 
+        changed = False
+
         if self._global_container_stack:
             for position in self._global_container_stack.extruders:
-                self._current_root_material_id[position] = self._global_container_stack.extruders[position].material.getMetaDataEntry("base_file")
+                material_id = self._global_container_stack.extruders[position].material.getMetaDataEntry("base_file")
+                if position not in self._current_root_material_id or material_id != self._current_root_material_id[position]:
+                    changed = True
+                    self._current_root_material_id[position] = material_id
+
+        if changed:
+            self.activeMaterialChanged.emit()
 
     @pyqtProperty("QVariant", notify = rootMaterialChanged)
     def currentRootMaterialId(self) -> Dict[str, str]:

cura/UI/ObjectsModel.py

@@ -50,6 +50,7 @@ class ObjectsModel(ListModel):
 
         Application.getInstance().getController().getScene().sceneChanged.connect(self._updateSceneDelayed)
         Application.getInstance().getPreferences().preferenceChanged.connect(self._updateDelayed)
+        Selection.selectionChanged.connect(self._updateDelayed)
 
         self._update_timer = QTimer()
         self._update_timer.setInterval(200)

plugins/3MFReader/ThreeMFWorkspaceReader.py

@@ -419,13 +419,17 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
             if parser.has_option("metadata", "enabled"):
                 extruder_info.enabled = parser["metadata"]["enabled"]
             if variant_id not in ("empty", "empty_variant"):
+                if variant_id in instance_container_info_dict:
                     extruder_info.variant_info = instance_container_info_dict[variant_id]
+
             if material_id not in ("empty", "empty_material"):
                 root_material_id = reverse_material_id_dict[material_id]
                 extruder_info.root_material_id = root_material_id
+
             definition_changes_id = parser["containers"][str(_ContainerIndexes.DefinitionChanges)]
             if definition_changes_id not in ("empty", "empty_definition_changes"):
                 extruder_info.definition_changes_info = instance_container_info_dict[definition_changes_id]
+
             user_changes_id = parser["containers"][str(_ContainerIndexes.UserChanges)]
             if user_changes_id not in ("empty", "empty_user_changes"):
                 extruder_info.user_changes_info = instance_container_info_dict[user_changes_id]
@@ -905,6 +909,10 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
                 continue
             extruder_info = self._machine_info.extruder_info_dict[position]
             if extruder_info.variant_info is None:
+                # If there is no variant_info, try to use the default variant. Otherwise, leave it be.
+                node = variant_manager.getDefaultVariantNode(global_stack.definition, VariantType.NOZZLE, global_stack)
+                if node is not None and node.getContainer() is not None:
+                    extruder_stack.variant = node.getContainer()
                 continue
             parser = extruder_info.variant_info.parser
 

plugins/CuraEngineBackend/CuraEngineBackend.py

@@ -369,7 +369,7 @@ class CuraEngineBackend(QObject, Backend):
 
         elif job.getResult() == StartJobResult.ObjectSettingError:
             errors = {}
-            for node in DepthFirstIterator(self._application.getController().getScene().getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+            for node in DepthFirstIterator(self._application.getController().getScene().getRoot()):
                 stack = node.callDecoration("getStack")
                 if not stack:
                     continue
@@ -438,7 +438,7 @@ class CuraEngineBackend(QObject, Backend):
 
         if not self._application.getPreferences().getValue("general/auto_slice"):
             enable_timer = False
-        for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+        for node in DepthFirstIterator(self._scene.getRoot()):
             if node.callDecoration("isBlockSlicing"):
                 enable_timer = False
                 self.setState(BackendState.Disabled)
@@ -460,7 +460,7 @@ class CuraEngineBackend(QObject, Backend):
     ##  Return a dict with number of objects per build plate
     def _numObjectsPerBuildPlate(self) -> Dict[int, int]:
         num_objects = defaultdict(int) #type: Dict[int, int]
-        for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+        for node in DepthFirstIterator(self._scene.getRoot()):
             # Only count sliceable objects
             if node.callDecoration("isSliceable"):
                 build_plate_number = node.callDecoration("getBuildPlateNumber")
@@ -548,10 +548,11 @@ class CuraEngineBackend(QObject, Backend):
         # Clear out any old gcode
         self._scene.gcode_dict = {}  # type: ignore
 
-        for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+        for node in DepthFirstIterator(self._scene.getRoot()):
             if node.callDecoration("getLayerData"):
                 if not build_plate_numbers or node.callDecoration("getBuildPlateNumber") in build_plate_numbers:
-                    node.getParent().removeChild(node)
+                    # We can asume that all nodes have a parent as we're looping through the scene (and filter out root)
+                    cast(SceneNode, node.getParent()).removeChild(node)
 
     def markSliceAll(self) -> None:
         for build_plate_number in range(self._application.getMultiBuildPlateModel().maxBuildPlate + 1):

plugins/CuraEngineBackend/ProcessSlicedLayersJob.py

@@ -1,4 +1,4 @@
-#Copyright (c) 2017 Ultimaker B.V.
+#Copyright (c) 2019 Ultimaker B.V.
 #Cura is released under the terms of the LGPLv3 or higher.
 
 import gc
@@ -136,23 +136,23 @@ class ProcessSlicedLayersJob(Job):
 
                 extruder = polygon.extruder
 
-                line_types = numpy.fromstring(polygon.line_type, dtype="u1")  # Convert bytearray to numpy array
+                line_types = numpy.fromstring(polygon.line_type, dtype = "u1")  # Convert bytearray to numpy array
 
                 line_types = line_types.reshape((-1,1))
 
-                points = numpy.fromstring(polygon.points, dtype="f4")  # Convert bytearray to numpy array
+                points = numpy.fromstring(polygon.points, dtype = "f4")  # Convert bytearray to numpy array
                 if polygon.point_type == 0: # Point2D
                     points = points.reshape((-1,2))  # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
                 else:  # Point3D
                     points = points.reshape((-1,3))
 
-                line_widths = numpy.fromstring(polygon.line_width, dtype="f4")  # Convert bytearray to numpy array
+                line_widths = numpy.fromstring(polygon.line_width, dtype = "f4")  # Convert bytearray to numpy array
                 line_widths = line_widths.reshape((-1,1))  # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
 
-                line_thicknesses = numpy.fromstring(polygon.line_thickness, dtype="f4")  # Convert bytearray to numpy array
+                line_thicknesses = numpy.fromstring(polygon.line_thickness, dtype = "f4")  # Convert bytearray to numpy array
                 line_thicknesses = line_thicknesses.reshape((-1,1))  # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
 
-                line_feedrates = numpy.fromstring(polygon.line_feedrate, dtype="f4")  # Convert bytearray to numpy array
+                line_feedrates = numpy.fromstring(polygon.line_feedrate, dtype = "f4")  # Convert bytearray to numpy array
                 line_feedrates = line_feedrates.reshape((-1,1))  # We get a linear list of pairs that make up the points, so make numpy interpret them correctly.
 
                 # Create a new 3D-array, copy the 2D points over and insert the right height.
@@ -194,7 +194,7 @@ class ProcessSlicedLayersJob(Job):
         manager = ExtruderManager.getInstance()
         extruders = manager.getActiveExtruderStacks()
         if extruders:
-            material_color_map = numpy.zeros((len(extruders), 4), dtype=numpy.float32)
+            material_color_map = numpy.zeros((len(extruders), 4), dtype = numpy.float32)
             for extruder in extruders:
                 position = int(extruder.getMetaDataEntry("position", default = "0"))
                 try:
@@ -206,8 +206,8 @@ class ProcessSlicedLayersJob(Job):
                 material_color_map[position, :] = color
         else:
             # Single extruder via global stack.
-            material_color_map = numpy.zeros((1, 4), dtype=numpy.float32)
+            material_color_map = numpy.zeros((1, 4), dtype = numpy.float32)
-            color_code = global_container_stack.material.getMetaDataEntry("color_code", default="#e0e000")
+            color_code = global_container_stack.material.getMetaDataEntry("color_code", default = "#e0e000")
             color = colorCodeToRGBA(color_code)
             material_color_map[0, :] = color
 

plugins/CuraEngineBackend/StartSliceJob.py

@@ -11,6 +11,7 @@ import Arcus #For typing.
 
 from UM.Job import Job
 from UM.Logger import Logger
+from UM.Scene.SceneNode import SceneNode
 from UM.Settings.ContainerStack import ContainerStack #For typing.
 from UM.Settings.SettingRelation import SettingRelation #For typing.
 
@@ -133,6 +134,14 @@ class StartSliceJob(Job):
             self.setResult(StartJobResult.BuildPlateError)
             return
 
+        # Wait for error checker to be done.
+        while CuraApplication.getInstance().getMachineErrorChecker().needToWaitForResult:
+            time.sleep(0.1)
+
+        if CuraApplication.getInstance().getMachineErrorChecker().hasError:
+            self.setResult(StartJobResult.SettingError)
+            return
+
         # Don't slice if the buildplate or the nozzle type is incompatible with the materials
         if not CuraApplication.getInstance().getMachineManager().variantBuildplateCompatible and \
                 not CuraApplication.getInstance().getMachineManager().variantBuildplateUsable:
@@ -150,7 +159,7 @@ class StartSliceJob(Job):
 
 
         # Don't slice if there is a per object setting with an error value.
-        for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+        for node in DepthFirstIterator(self._scene.getRoot()):
             if not isinstance(node, CuraSceneNode) or not node.isSelectable():
                 continue
 
@@ -160,15 +169,16 @@ class StartSliceJob(Job):
 
         with self._scene.getSceneLock():
             # Remove old layer data.
-            for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+            for node in DepthFirstIterator(self._scene.getRoot()):
                 if node.callDecoration("getLayerData") and node.callDecoration("getBuildPlateNumber") == self._build_plate_number:
-                    node.getParent().removeChild(node)
+                    # Singe we walk through all nodes in the scene, they always have a parent.
+                    cast(SceneNode, node.getParent()).removeChild(node)
                     break
 
             # Get the objects in their groups to print.
             object_groups = []
             if stack.getProperty("print_sequence", "value") == "one_at_a_time":
-                for node in OneAtATimeIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+                for node in OneAtATimeIterator(self._scene.getRoot()):
                     temp_list = []
 
                     # Node can't be printed, so don't bother sending it.
@@ -183,7 +193,8 @@ class StartSliceJob(Job):
                     children = node.getAllChildren()
                     children.append(node)
                     for child_node in children:
-                        if child_node.getMeshData() and child_node.getMeshData().getVertices() is not None:
+                        mesh_data = child_node.getMeshData()
+                        if mesh_data and mesh_data.getVertices() is not None:
                             temp_list.append(child_node)
 
                     if temp_list:
@@ -194,8 +205,9 @@ class StartSliceJob(Job):
             else:
                 temp_list = []
                 has_printing_mesh = False
-                for node in DepthFirstIterator(self._scene.getRoot()): #type: ignore #Ignore type error because iter() should get called automatically by Python syntax.
+                for node in DepthFirstIterator(self._scene.getRoot()):
-                    if node.callDecoration("isSliceable") and node.getMeshData() and node.getMeshData().getVertices() is not None:
+                    mesh_data = node.getMeshData()
+                    if node.callDecoration("isSliceable") and mesh_data and mesh_data.getVertices() is not None:
                         is_non_printing_mesh = bool(node.callDecoration("isNonPrintingMesh"))
 
                         # Find a reason not to add the node
@@ -210,7 +222,7 @@ class StartSliceJob(Job):
 
                     Job.yieldThread()
 
-                #If the list doesn't have any model with suitable settings then clean the list
+                # If the list doesn't have any model with suitable settings then clean the list
                 # otherwise CuraEngine will crash
                 if not has_printing_mesh:
                     temp_list.clear()
@@ -261,10 +273,14 @@ class StartSliceJob(Job):
 
             for group in filtered_object_groups:
                 group_message = self._slice_message.addRepeatedMessage("object_lists")
-                if group[0].getParent() is not None and group[0].getParent().callDecoration("isGroup"):
+                parent = group[0].getParent()
-                    self._handlePerObjectSettings(group[0].getParent(), group_message)
+                if parent is not None and parent.callDecoration("isGroup"):
+                    self._handlePerObjectSettings(cast(CuraSceneNode, parent), group_message)
+
                 for object in group:
                     mesh_data = object.getMeshData()
+                    if mesh_data is None:
+                        continue
                     rot_scale = object.getWorldTransformation().getTransposed().getData()[0:3, 0:3]
                     translate = object.getWorldTransformation().getData()[:3, 3]
 
@@ -288,7 +304,7 @@ class StartSliceJob(Job):
 
                     obj.vertices = flat_verts
 
-                    self._handlePerObjectSettings(object, obj)
+                    self._handlePerObjectSettings(cast(CuraSceneNode, object), obj)
 
                     Job.yieldThread()
 

plugins/CuraProfileReader/CuraProfileReader.py

@@ -8,6 +8,7 @@ from UM.PluginRegistry import PluginRegistry
 from UM.Logger import Logger
 from UM.Settings.ContainerFormatError import ContainerFormatError
 from UM.Settings.InstanceContainer import InstanceContainer  # The new profile to make.
+from cura.CuraApplication import CuraApplication
 from cura.ReaderWriters.ProfileReader import ProfileReader
 
 import zipfile
@@ -67,9 +68,10 @@ class CuraProfileReader(ProfileReader):
             return []
 
         version = int(parser["general"]["version"])
+        setting_version = int(parser["metadata"].get("setting_version", "0"))
         if InstanceContainer.Version != version:
             name = parser["general"]["name"]
-            return self._upgradeProfileVersion(serialized, name, version)
+            return self._upgradeProfileVersion(serialized, name, version, setting_version)
         else:
             return [(serialized, profile_id)]
 
@@ -83,7 +85,7 @@ class CuraProfileReader(ProfileReader):
         profile = InstanceContainer(profile_id)
         profile.setMetaDataEntry("type", "quality_changes")
         try:
-            profile.deserialize(serialized)
+            profile.deserialize(serialized, file_name = profile_id)
         except ContainerFormatError as e:
             Logger.log("e", "Error in the format of a container: %s", str(e))
             return None
@@ -98,19 +100,27 @@ class CuraProfileReader(ProfileReader):
     #   \param profile_id The name of the profile.
     #   \param source_version The profile version of 'serialized'.
     #   \return List of serialized profile strings and matching profile names.
-    def _upgradeProfileVersion(self, serialized: str, profile_id: str, source_version: int) -> List[Tuple[str, str]]:
+    def _upgradeProfileVersion(self, serialized: str, profile_id: str, main_version: int, setting_version: int) -> List[Tuple[str, str]]:
-        converter_plugins = PluginRegistry.getInstance().getAllMetaData(filter = {"version_upgrade": {} }, active_only = True)
+        source_version = main_version * 1000000 + setting_version
 
-        source_format = ("profile", source_version)
+        from UM.VersionUpgradeManager import VersionUpgradeManager
-        profile_convert_funcs = [plugin["version_upgrade"][source_format][2] for plugin in converter_plugins
+        results = VersionUpgradeManager.getInstance().updateFilesData("quality_changes", source_version, [serialized], [profile_id])
-                                 if source_format in plugin["version_upgrade"] and plugin["version_upgrade"][source_format][1] == InstanceContainer.Version]
+        if results is None:
-
-        if not profile_convert_funcs:
-            Logger.log("w", "Unable to find an upgrade path for the profile [%s]", profile_id)
             return []
 
-        filenames, outputs = profile_convert_funcs[0](serialized, profile_id)
+        serialized = results.files_data[0]
-        if filenames is None and outputs is None:
+
-            Logger.log("w", "The conversion failed to return any usable data for [%s]", profile_id)
+        parser = configparser.ConfigParser(interpolation = None)
+        parser.read_string(serialized)
+        if "general" not in parser:
+            Logger.log("w", "Missing required section 'general'.")
             return []
-        return list(zip(outputs, filenames))
+
+        new_source_version = results.version
+        if int(new_source_version / 1000000) != InstanceContainer.Version or new_source_version % 1000000 != CuraApplication.SettingVersion:
+            Logger.log("e", "Failed to upgrade profile [%s]", profile_id)
+
+        if int(parser["general"]["version"]) != InstanceContainer.Version:
+            Logger.log("e", "Failed to upgrade profile [%s]", profile_id)
+            return []
+        return [(serialized, profile_id)]

plugins/MonitorStage/MonitorMain.qml

@@ -97,7 +97,7 @@ Rectangle
                 horizontalCenter: parent.horizontalCenter
             }
             visible: isNetworkConfigured && !isConnected
-            text: catalog.i18nc("@info", "Please make sure your printer has a connection:\n- Check if the printer is turned on.\n- Check if the printer is connected to the network.")
+            text: catalog.i18nc("@info", "Please make sure your printer has a connection:\n- Check if the printer is turned on.\n- Check if the printer is connected to the network.\n- Check if you are signed in to discover cloud-connected printers.")
             font: UM.Theme.getFont("medium")
             color: UM.Theme.getColor("monitor_text_primary")
             wrapMode: Text.WordWrap

plugins/PerObjectSettingsTool/PerObjectItem.qml

@@ -29,6 +29,17 @@ UM.TooltipArea
             UM.ActiveTool.forceUpdate();
         }
     }
+
+    // When the user removes settings from the list addedSettingsModel, we need to recheck if the
+    // setting is visible or not to show a mark in the CheckBox.
+    Connections
+    {
+        target: addedSettingsModel
+        onVisibleCountChanged:
+        {
+            check.checked = addedSettingsModel.getVisible(model.key)
+        }
+    }
 }
 
 

plugins/PostProcessingPlugin/scripts/DisplayFilenameAndLayerOnLCD.py

@@ -1,10 +1,13 @@
 # Cura PostProcessingPlugin
 # Author:   Amanda de Castilho
 # Date:     August 28, 2018
+# Modified: November 16, 2018 by Joshua Pope-Lewis
 
-# Description:  This plugin inserts a line at the start of each layer,
+# Description:  This plugin shows custom messages about your print on the Status bar...
-#               M117 - displays the filename and layer height to the LCD
+#               Please look at the 3 options
-#               Alternatively, user can override the filename to display alt text + layer height
+#               - Scolling (SCROLL_LONG_FILENAMES) if enabled in Marlin and you arent printing a small item select this option.
+#               - Name: By default it will use the name generated by Cura (EG: TT_Test_Cube) - Type a custom name in here
+#               - Max Layer: Enabling this will show how many layers are in the entire print (EG: Layer 1 of 265!)
 
 from ..Script import Script
 from UM.Application import Application
@@ -15,35 +18,72 @@ class DisplayFilenameAndLayerOnLCD(Script):
 
     def getSettingDataString(self):
         return """{
-            "name": "Display filename and layer on LCD",
+            "name": "Display Filename And Layer On LCD",
             "key": "DisplayFilenameAndLayerOnLCD",
             "metadata": {},
             "version": 2,
             "settings":
             {
+                "scroll":
+                {
+                    "label": "Scroll enabled/Small layers?",
+                    "description": "If SCROLL_LONG_FILENAMES is enabled select this setting however, if the model is small disable this setting!",
+                    "type": "bool",
+                    "default_value": false
+                },
                 "name":
                 {
-                    "label": "text to display:",
+                    "label": "Text to display:",
                     "description": "By default the current filename will be displayed on the LCD. Enter text here to override the filename and display something else.",
                     "type": "str",
                     "default_value": ""
+                },
+                "startNum":
+                {
+                    "label": "Initial layer number:",
+                    "description": "Choose which number you prefer for the initial layer, 0 or 1",
+                    "type": "int",
+                    "default_value": 0,
+                    "minimum_value": 0,
+                    "maximum_value": 1                    
+                },
+                "maxlayer":
+                {
+                    "label": "Display max layer?:",
+                    "description": "Display how many layers are in the entire print on status bar?",
+                    "type": "bool",
+                    "default_value": true
                 }
             }
         }"""
     
     def execute(self, data):
+        max_layer = 0
         if self.getSettingValueByKey("name") != "":
             name = self.getSettingValueByKey("name")
         else:
             name = Application.getInstance().getPrintInformation().jobName
-        lcd_text = "M117 " + name + " layer "
+        if not self.getSettingValueByKey("scroll"):
-        i = 0
+            if self.getSettingValueByKey("maxlayer"):
+                lcd_text = "M117 Layer "
+            else:
+                lcd_text = "M117 Printing Layer "
+        else:
+            lcd_text = "M117 Printing " + name + " - Layer "   
+        i = self.getSettingValueByKey("startNum")
         for layer in data:
-            display_text = lcd_text + str(i)
+            display_text = lcd_text + str(i) + " " + name
             layer_index = data.index(layer)
             lines = layer.split("\n")
             for line in lines:
+                if line.startswith(";LAYER_COUNT:"):
+                    max_layer = line
+                    max_layer = max_layer.split(":")[1]
                 if line.startswith(";LAYER:"):
+                    if self.getSettingValueByKey("maxlayer"):
+                        display_text = display_text + " of " + max_layer
+                    else:
+                        display_text = display_text + "!"
                     line_index = lines.index(line)
                     lines.insert(line_index + 1, display_text)
                     i += 1

plugins/PostProcessingPlugin/scripts/PauseAtHeight.py

@@ -1,15 +1,16 @@
-# Copyright (c) 2018 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from ..Script import Script
 
 from UM.Application import Application #To get the current printer's settings.
+from typing import List, Tuple
 
 class PauseAtHeight(Script):
-    def __init__(self):
+    def __init__(self) -> None:
         super().__init__()
 
-    def getSettingDataString(self):
+    def getSettingDataString(self) -> str:
         return """{
             "name": "Pause at height",
             "key": "PauseAtHeight",
@@ -113,11 +114,9 @@ class PauseAtHeight(Script):
             }
         }"""
 
-    def getNextXY(self, layer: str):
+    ##  Get the X and Y values for a layer (will be used to get X and Y of the
-        """
+    #   layer after the pause).
-        Get the X and Y values for a layer (will be used to get X and Y of
+    def getNextXY(self, layer: str) -> Tuple[float, float]:
-        the layer after the pause
-        """
         lines = layer.split("\n")
         for line in lines:
             if self.getValue(line, "X") is not None and self.getValue(line, "Y") is not None:
@@ -126,8 +125,10 @@ class PauseAtHeight(Script):
                 return x, y
         return 0, 0
 
-    def execute(self, data: list):
+    ##  Inserts the pause commands.
-        """data is a list. Each index contains a layer"""
+    #   \param data: List of layers.
+    #   \return New list of layers.
+    def execute(self, data: List[str]) -> List[str]:
         pause_at = self.getSettingValueByKey("pause_at")
         pause_height = self.getSettingValueByKey("pause_height")
         pause_layer = self.getSettingValueByKey("pause_layer")

plugins/PostProcessingPlugin/scripts/Stretch.py

@@ -128,7 +128,24 @@ class Stretcher():
                     onestep = GCodeStep(0, in_relative_movement)
                     onestep.copyPosFrom(current)
                 elif _getValue(line, "G") == 1:
+                    last_x = current.step_x
+                    last_y = current.step_y
+                    last_z = current.step_z
+                    last_e = current.step_e
                     current.readStep(line)
+                    if (current.step_x == last_x and current.step_y == last_y and
+                        current.step_z == last_z and current.step_e != last_e
+                    ):
+                        # It's an extruder only move. Preserve it rather than process it as an
+                        # extruded move. Otherwise, the stretched output might contain slight
+                        # motion in X and Y in addition to E. This can cause problems with
+                        # firmwares that implement pressure advance.
+                        onestep = GCodeStep(-1, in_relative_movement)
+                        onestep.copyPosFrom(current)
+                        # Rather than copy the original line, write a new one with consistent
+                        # extruder coordinates
+                        onestep.comment = "G1 F{} E{}".format(onestep.step_f, onestep.step_e)
+                    else:
                         onestep = GCodeStep(1, in_relative_movement)
                         onestep.copyPosFrom(current)
 

plugins/SimulationView/SimulationView.py

@@ -218,10 +218,10 @@ class SimulationView(CuraView):
             if theme is not None:
                 self._ghost_shader.setUniformValue("u_color", Color(*theme.getColor("layerview_ghost").getRgb()))
 
-        for node in DepthFirstIterator(scene.getRoot()):  # type: ignore
+        for node in DepthFirstIterator(scene.getRoot()):
             # We do not want to render ConvexHullNode as it conflicts with the bottom layers.
             # However, it is somewhat relevant when the node is selected, so do render it then.
-            if type(node) is ConvexHullNode and not Selection.isSelected(node.getWatchedNode()):
+            if type(node) is ConvexHullNode and not Selection.isSelected(cast(ConvexHullNode, node).getWatchedNode()):
                 continue
 
             if not node.render(renderer):
@@ -572,14 +572,14 @@ class SimulationView(CuraView):
             self._current_layer_jumps = job.getResult().get("jumps")
         self._controller.getScene().sceneChanged.emit(self._controller.getScene().getRoot())
 
-        self._top_layers_job = None  # type: Optional["_CreateTopLayersJob"]
+        self._top_layers_job = None
 
     def _updateWithPreferences(self) -> None:
         self._solid_layers = int(Application.getInstance().getPreferences().getValue("view/top_layer_count"))
         self._only_show_top_layers = bool(Application.getInstance().getPreferences().getValue("view/only_show_top_layers"))
         self._compatibility_mode = self._evaluateCompatibilityMode()
 
-        self.setSimulationViewType(int(float(Application.getInstance().getPreferences().getValue("layerview/layer_view_type"))));
+        self.setSimulationViewType(int(float(Application.getInstance().getPreferences().getValue("layerview/layer_view_type"))))
 
         for extruder_nr, extruder_opacity in enumerate(Application.getInstance().getPreferences().getValue("layerview/extruder_opacities").split("|")):
             try:

plugins/SliceInfoPlugin/SliceInfo.py

@@ -126,6 +126,10 @@ class SliceInfo(QObject, Extension):
             else:
                 data["active_mode"] = "custom"
 
+            data["camera_view"] = application.getPreferences().getValue("general/camera_perspective_mode")
+            if data["camera_view"] == "orthographic":
+                data["camera_view"] = "orthogonal" #The database still only recognises the old name "orthogonal".
+
             definition_changes = global_stack.definitionChanges
             machine_settings_changed_by_user = False
             if definition_changes.getId() != "empty":

plugins/SliceInfoPlugin/SliceInfoJob.py

@@ -8,6 +8,8 @@ import ssl
 import urllib.request
 import urllib.error
 
+import certifi
+
 
 class SliceInfoJob(Job):
     def __init__(self, url, data):
@@ -20,11 +22,14 @@ class SliceInfoJob(Job):
             Logger.log("e", "URL or DATA for sending slice info was not set!")
             return
 
-        # Submit data
+        # CURA-6698 Create an SSL context and use certifi CA certificates for verification.
-        kwoptions = {"data" : self._data, "timeout" : 5}
+        context = ssl.SSLContext(protocol = ssl.PROTOCOL_TLSv1_2)
+        context.load_verify_locations(cafile = certifi.where())
 
-        if Platform.isOSX():
+        # Submit data
-            kwoptions["context"] = ssl._create_unverified_context()
+        kwoptions = {"data": self._data,
+                     "timeout": 5,
+                     "context": context}
 
         Logger.log("i", "Sending anonymous slice info to [%s]...", self._url)
 

plugins/Toolbox/resources/qml/Toolbox.qml

@@ -48,32 +48,32 @@ Window
             ToolboxLoadingPage
             {
                 id: viewLoading
-                visible: toolbox.viewCategory != "installed" && toolbox.viewPage == "loading"
+                visible: toolbox.viewCategory !== "installed" && toolbox.viewPage === "loading"
             }
             ToolboxErrorPage
             {
                 id: viewErrored
-                visible: toolbox.viewCategory != "installed" && toolbox.viewPage == "errored"
+                visible: toolbox.viewCategory !== "installed" && toolbox.viewPage === "errored"
             }
             ToolboxDownloadsPage
             {
                 id: viewDownloads
-                visible: toolbox.viewCategory != "installed" && toolbox.viewPage == "overview"
+                visible: toolbox.viewCategory !== "installed" && toolbox.viewPage === "overview"
             }
             ToolboxDetailPage
             {
                 id: viewDetail
-                visible: toolbox.viewCategory != "installed" && toolbox.viewPage == "detail"
+                visible: toolbox.viewCategory !== "installed" && toolbox.viewPage === "detail"
             }
             ToolboxAuthorPage
             {
                 id: viewAuthor
-                visible: toolbox.viewCategory != "installed" && toolbox.viewPage == "author"
+                visible: toolbox.viewCategory !== "installed" && toolbox.viewPage === "author"
             }
             ToolboxInstalledPage
             {
                 id: installedPluginList
-                visible: toolbox.viewCategory == "installed"
+                visible: toolbox.viewCategory === "installed"
             }
         }
 

plugins/Toolbox/resources/qml/ToolboxCompatibilityChart.qml

@@ -1,9 +1,9 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.10
 import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
+
 import UM 1.1 as UM
 
 Item
@@ -11,48 +11,17 @@ Item
     id: base
 
     property var packageData
-    property var technicalDataSheetUrl:
+    property var technicalDataSheetUrl: packageData.links.technicalDataSheet
-    {
+    property var safetyDataSheetUrl: packageData.links.safetyDataSheet
-        var link = undefined
+    property var printingGuidelinesUrl: packageData.links.printingGuidelines
-        if ("Technical Data Sheet" in packageData.links)
+    property var materialWebsiteUrl: packageData.links.website
-        {
-            // HACK: This is the way the old API (used in 3.6-beta) used to do it. For safety it's still here,
-            // but it can be removed over time.
-            link = packageData.links["Technical Data Sheet"]
-        }
-        else if ("technicalDataSheet" in packageData.links)
-        {
-            link = packageData.links["technicalDataSheet"]
-        }
-        return link
-    }
-    property var safetyDataSheetUrl:
-    {
-        var sds_name = "safetyDataSheet"
-        return (sds_name in packageData.links) ? packageData.links[sds_name] : undefined
-    }
-    property var printingGuidelinesUrl:
-    {
-        var pg_name = "printingGuidelines"
-        return (pg_name in packageData.links) ? packageData.links[pg_name] : undefined
-    }
 
-    property var materialWebsiteUrl:
+    height: childrenRect.height
-    {
+    onVisibleChanged: packageData.type === "material" && (compatibilityItem.visible || dataSheetLinks.visible)
-        var pg_name = "website"
-        return (pg_name in packageData.links) ? packageData.links[pg_name] : undefined
-    }
-    anchors.topMargin: UM.Theme.getSize("default_margin").height
-    height: visible ? childrenRect.height : 0
 
-    visible: packageData.type == "material" &&
+    Column
-        (packageData.has_configs || technicalDataSheetUrl !== undefined ||
-            safetyDataSheetUrl !== undefined || printingGuidelinesUrl !== undefined ||
-            materialWebsiteUrl !== undefined)
-
-    Item
     {
-        id: combatibilityItem
+        id: compatibilityItem
         visible: packageData.has_configs
         width: parent.width
         // This is a bit of a hack, but the whole QML is pretty messy right now. This needs a big overhaul.
@@ -61,7 +30,6 @@ Item
         Label
         {
             id: heading
-            anchors.topMargin: UM.Theme.getSize("default_margin").height
             width: parent.width
             text: catalog.i18nc("@label", "Compatibility")
             wrapMode: Text.WordWrap
@@ -73,8 +41,6 @@ Item
         TableView
         {
             id: table
-            anchors.top: heading.bottom
-            anchors.topMargin: UM.Theme.getSize("default_margin").height
             width: parent.width
             frameVisible: false
 
@@ -155,32 +121,32 @@ Item
             TableViewColumn
             {
                 role: "machine"
-                title: "Machine"
+                title: catalog.i18nc("@label:table_header", "Machine")
                 width: Math.floor(table.width * 0.25)
                 delegate: columnTextDelegate
             }
             TableViewColumn
             {
                 role: "print_core"
-                title: "Print Core"
+                title: catalog.i18nc("@label:table_header", "Print Core")
                 width: Math.floor(table.width * 0.2)
             }
             TableViewColumn
             {
                 role: "build_plate"
-                title: "Build Plate"
+                title: catalog.i18nc("@label:table_header", "Build Plate")
                 width: Math.floor(table.width * 0.225)
             }
             TableViewColumn
             {
                 role: "support_material"
-                title: "Support"
+                title: catalog.i18nc("@label:table_header", "Support")
                 width: Math.floor(table.width * 0.225)
             }
             TableViewColumn
             {
                 role: "quality"
-                title: "Quality"
+                title: catalog.i18nc("@label:table_header", "Quality")
                 width: Math.floor(table.width * 0.1)
             }
         }
@@ -188,13 +154,14 @@ Item
 
     Label
     {
-        id: data_sheet_links
+        id: dataSheetLinks
-        anchors.top: combatibilityItem.bottom
+        anchors.top: compatibilityItem.bottom
-        anchors.topMargin: UM.Theme.getSize("default_margin").height / 2
+        anchors.topMargin: UM.Theme.getSize("narrow_margin").height
         visible: base.technicalDataSheetUrl !== undefined ||
-            base.safetyDataSheetUrl !== undefined || base.printingGuidelinesUrl !== undefined ||
+                    base.safetyDataSheetUrl !== undefined ||
+                    base.printingGuidelinesUrl !== undefined ||
                     base.materialWebsiteUrl !== undefined
-        height: visible ? contentHeight : 0
+                    
         text:
         {
             var result = ""

plugins/Toolbox/resources/qml/ToolboxDetailList.qml

@@ -1,9 +1,8 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
-import QtQuick.Controls 1.4
+import QtQuick.Controls 2.3
-import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
 
 Item
@@ -11,10 +10,9 @@ Item
     id: detailList
     ScrollView
     {
-        frameVisible: false
+        clip: true
         anchors.fill: detailList
-        style: UM.Theme.styles.scrollview
+
-        flickableItem.flickableDirection: Flickable.VerticalFlick
         Column
         {
             anchors

plugins/Toolbox/resources/qml/ToolboxDetailTile.qml

@@ -1,30 +1,30 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.10
-import QtQuick.Controls 1.4
+import QtQuick.Controls 2.3
-import QtQuick.Controls.Styles 1.4
+
 import UM 1.1 as UM
 
 Item
 {
     id: tile
     width: detailList.width - UM.Theme.getSize("wide_margin").width
-    height: normalData.height + compatibilityChart.height + 4 * UM.Theme.getSize("default_margin").height
+    height: normalData.height + 2 * UM.Theme.getSize("wide_margin").height
-    Item
+    Column
     {
         id: normalData
-        height: childrenRect.height
+
         anchors
         {
+            top: parent.top
             left: parent.left
             right: controls.left
-            rightMargin: UM.Theme.getSize("default_margin").width * 2 + UM.Theme.getSize("toolbox_loader").width
+            rightMargin: UM.Theme.getSize("wide_margin").width
-            top: parent.top
         }
+
         Label
         {
-            id: packageName
             width: parent.width
             height: UM.Theme.getSize("toolbox_property_label").height
             text: model.name
@@ -33,9 +33,9 @@ Item
             font: UM.Theme.getFont("medium_bold")
             renderType: Text.NativeRendering
         }
+
         Label
         {
-            anchors.top: packageName.bottom
             width: parent.width
             text: model.description
             maximumLineCount: 25
@@ -45,6 +45,12 @@ Item
             font: UM.Theme.getFont("default")
             renderType: Text.NativeRendering
         }
+
+        ToolboxCompatibilityChart
+        {
+            width: parent.width
+            packageData: model
+        }
     }
 
     ToolboxDetailTileActions
@@ -57,20 +63,12 @@ Item
         packageData: model
     }
 
-    ToolboxCompatibilityChart
-    {
-        id: compatibilityChart
-        anchors.top: normalData.bottom
-        width: normalData.width
-        packageData: model
-    }
-
     Rectangle
     {
         color: UM.Theme.getColor("lining")
         width: tile.width
         height: UM.Theme.getSize("default_lining").height
-        anchors.top: compatibilityChart.bottom
+        anchors.top: normalData.bottom
         anchors.topMargin: UM.Theme.getSize("default_margin").height + UM.Theme.getSize("wide_margin").height //Normal margin for spacing after chart, wide margin between items.
     }
 }

plugins/Toolbox/resources/qml/ToolboxDetailTileActions.qml

@@ -35,7 +35,7 @@ Column
             // Don't allow installing while another download is running
             enabled: installed || (!(toolbox.isDownloading && toolbox.activePackage != model) && !loginRequired)
             opacity: enabled ? 1.0 : 0.5
-            visible: !updateButton.visible && !installed// Don't show when the update button is visible
+            visible: !updateButton.visible && !installed // Don't show when the update button is visible
         }
 
         Cura.SecondaryButton

plugins/Toolbox/resources/qml/ToolboxDownloadsGrid.qml

@@ -2,9 +2,7 @@
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.10
-import QtQuick.Controls 1.4
+import QtQuick.Controls 2.3
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.3
 import UM 1.1 as UM
 
 Column

plugins/Toolbox/resources/qml/ToolboxDownloadsPage.qml

@@ -1,25 +1,20 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.7
+import QtQuick 2.10
-import QtQuick.Controls 1.4
+import QtQuick.Controls 2.3
-import QtQuick.Controls.Styles 1.4
 import UM 1.1 as UM
 
 ScrollView
 {
-    frameVisible: false
+    clip: true
     width: parent.width
     height: parent.height
-    style: UM.Theme.styles.scrollview
-
-    flickableItem.flickableDirection: Flickable.VerticalFlick
 
     Column
     {
         width: base.width
         spacing: UM.Theme.getSize("default_margin").height
-        height: childrenRect.height
 
         ToolboxDownloadsShowcase
         {
@@ -31,14 +26,14 @@ ScrollView
         {
             id: allPlugins
             width: parent.width
-            heading: toolbox.viewCategory == "material" ? catalog.i18nc("@label", "Community Contributions") : catalog.i18nc("@label", "Community Plugins")
+            heading: toolbox.viewCategory === "material" ? catalog.i18nc("@label", "Community Contributions") : catalog.i18nc("@label", "Community Plugins")
-            model: toolbox.viewCategory == "material" ? toolbox.materialsAvailableModel : toolbox.pluginsAvailableModel
+            model: toolbox.viewCategory === "material" ? toolbox.materialsAvailableModel : toolbox.pluginsAvailableModel
         }
 
         ToolboxDownloadsGrid
         {
             id: genericMaterials
-            visible: toolbox.viewCategory == "material"
+            visible: toolbox.viewCategory === "material"
             width: parent.width
             heading: catalog.i18nc("@label", "Generic Materials")
             model: toolbox.materialsGenericModel

plugins/Toolbox/resources/qml/ToolboxInstalledPage.qml

@@ -1,50 +1,50 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.10
-import QtQuick.Dialogs 1.1
+import QtQuick.Controls 2.3
-import QtQuick.Window 2.2
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
 
 import UM 1.1 as UM
 
 ScrollView
 {
     id: page
-    frameVisible: false
+    clip: true
     width: parent.width
     height: parent.height
-    style: UM.Theme.styles.scrollview
-    flickableItem.flickableDirection: Flickable.VerticalFlick
 
     Column
     {
+        width: page.width
         spacing: UM.Theme.getSize("default_margin").height
+        padding: UM.Theme.getSize("wide_margin").width
         visible: toolbox.pluginsInstalledModel.items.length > 0
-        height: childrenRect.height + 4 * UM.Theme.getSize("default_margin").height
+        height: childrenRect.height + 2 * UM.Theme.getSize("wide_margin").height
-
-        anchors
-        {
-            right: parent.right
-            left: parent.left
-            margins: UM.Theme.getSize("default_margin").width
-            top: parent.top
-        }
 
         Label
         {
-            width: page.width
+            anchors
+            {
+                left: parent.left
+                right: parent.right
+                margins: parent.padding
+            }
             text: catalog.i18nc("@title:tab", "Plugins")
             color: UM.Theme.getColor("text_medium")
             font: UM.Theme.getFont("large")
             renderType: Text.NativeRendering
         }
+
         Rectangle
         {
+            anchors
+            {
+                left: parent.left
+                right: parent.right
+                margins: parent.padding
+            }
             id: installedPlugins
             color: "transparent"
-            width: parent.width
             height: childrenRect.height + UM.Theme.getSize("default_margin").width
             border.color: UM.Theme.getColor("lining")
             border.width: UM.Theme.getSize("default_lining").width
@@ -65,8 +65,15 @@ ScrollView
                 }
             }
         }
+
         Label
         {
+            anchors
+            {
+                left: parent.left
+                right: parent.right
+                margins: parent.padding
+            }
             text: catalog.i18nc("@title:tab", "Materials")
             color: UM.Theme.getColor("text_medium")
             font: UM.Theme.getFont("medium")
@@ -75,9 +82,14 @@ ScrollView
 
         Rectangle
         {
+            anchors
+            {
+                left: parent.left
+                right: parent.right
+                margins: parent.padding
+            }
             id: installedMaterials
             color: "transparent"
-            width: parent.width
             height: childrenRect.height + UM.Theme.getSize("default_margin").width
             border.color: UM.Theme.getColor("lining")
             border.width: UM.Theme.getSize("default_lining").width

plugins/Toolbox/resources/qml/ToolboxInstalledTile.qml

@@ -41,7 +41,7 @@ Item
         Column
         {
             id: pluginInfo
-            topPadding: Math.floor(UM.Theme.getSize("default_margin").height / 2)
+            topPadding: UM.Theme.getSize("narrow_margin").height
             property var color: model.type === "plugin" && !isEnabled ? UM.Theme.getColor("lining") : UM.Theme.getColor("text")
             width: Math.floor(tileRow.width - (authorInfo.width + pluginActions.width + 2 * tileRow.spacing + ((disableButton.visible) ? disableButton.width + tileRow.spacing : 0)))
             Label

plugins/Toolbox/resources/qml/ToolboxProgressButton.qml

@@ -1,16 +1,16 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.2
+import QtQuick 2.10
-import QtQuick.Controls 1.4
+import QtQuick.Controls 2.3
-import QtQuick.Controls.Styles 1.4
+
 import UM 1.1 as UM
 import Cura 1.0 as Cura
 
 
-Item
+Cura.PrimaryButton
 {
-    id: base
+    id: button
 
     property var active: false
     property var complete: false
@@ -23,12 +23,6 @@ Item
     signal activeAction() // Action when button is active and clicked (likely cancel)
     signal completeAction() // Action when button is complete and clicked (likely go to installed)
 
-    width: UM.Theme.getSize("toolbox_action_button").width
-    height: UM.Theme.getSize("toolbox_action_button").height
-
-    Cura.PrimaryButton
-    {
-        id: button
     width: UM.Theme.getSize("toolbox_action_button").width
     height: UM.Theme.getSize("toolbox_action_button").height
     fixedWidthMode: true
@@ -63,5 +57,4 @@ Item
         }
     }
     busy: active
-    }
 }

plugins/Toolbox/src/Toolbox.py

@@ -655,7 +655,11 @@ class Toolbox(QObject, Extension):
                 
                 # Check if the download was sucessfull
                 if self._download_reply.attribute(QNetworkRequest.HttpStatusCodeAttribute) != 200:
+                    try:
                         Logger.log("w", "Failed to download package. The following error was returned: %s", json.loads(bytes(self._download_reply.readAll()).decode("utf-8")))
+                    except json.decoder.JSONDecodeError:
+                        Logger.logException("w", "Failed to download package and failed to parse a response from it")
+                    finally:
                         return
                 # Must not delete the temporary file on Windows
                 self._temp_plugin_file = tempfile.NamedTemporaryFile(mode = "w+b", suffix = ".curapackage", delete = False)

plugins/UM3NetworkPrinting/__init__.py

@@ -1,7 +1,7 @@
-# Copyright (c) 2017 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
-from .src import DiscoverUM3Action
 from .src import UM3OutputDevicePlugin
+from .src import UltimakerNetworkedPrinterAction
 
 
 def getMetaData():
@@ -11,5 +11,5 @@ def getMetaData():
 def register(app):
     return {
         "output_device": UM3OutputDevicePlugin.UM3OutputDevicePlugin(),
-        "machine_action": DiscoverUM3Action.DiscoverUM3Action()
+        "machine_action": UltimakerNetworkedPrinterAction.UltimakerNetworkedPrinterAction()
     }

plugins/UM3NetworkPrinting/plugin.json

@@ -1,7 +1,7 @@
 {
-    "name": "UM3 Network Connection",
+    "name": "Ultimaker Network Connection",
     "author": "Ultimaker B.V.",
-    "description": "Manages network connections to Ultimaker 3 printers.",
+    "description": "Manages network connections to Ultimaker networked printers.",
     "version": "1.0.1",
     "api": "6.0",
     "i18n-catalog": "cura"

plugins/UM3NetworkPrinting/resources/qml/CameraButton.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.3

plugins/UM3NetworkPrinting/resources/qml/DiscoverUM3Action.qml

@@ -23,35 +23,11 @@ Cura.MachineAction
 
     function connectToPrinter()
     {
-        if(base.selectedDevice && base.completeProperties)
+        if (base.selectedDevice && base.completeProperties)
-        {
-            var printerKey = base.selectedDevice.key
-            var printerName = base.selectedDevice.name  // TODO To change when the groups have a name
-            if (manager.getStoredKey() != printerKey)
-            {
-                // Check if there is another instance with the same key
-                if (!manager.existsKey(printerKey))
         {
             manager.associateActiveMachineWithPrinterDevice(base.selectedDevice)
-                    manager.setGroupName(printerName)   // TODO To change when the groups have a name
             completed()
         }
-                else
-                {
-                    existingConnectionDialog.open()
-                }
-            }
-        }
-    }
-
-    MessageDialog
-    {
-        id: existingConnectionDialog
-        title: catalog.i18nc("@window:title", "Existing Connection")
-        icon: StandardIcon.Information
-        text: catalog.i18nc("@message:text", "This printer/group is already added to Cura. Please select another printer/group.")
-        standardButtons: StandardButton.Ok
-        modality: Qt.ApplicationModal
     }
 
     Column
@@ -151,21 +127,6 @@ Cura.MachineAction
                     {
                         id: listview
                         model: manager.foundDevices
-                        onModelChanged:
-                        {
-                            var selectedKey = manager.getLastManualEntryKey()
-                            // If there is no last manual entry key, then we select the stored key (if any)
-                            if (selectedKey == "")
-                                selectedKey = manager.getStoredKey()
-                            for(var i = 0; i < model.length; i++) {
-                                if(model[i].key == selectedKey)
-                                {
-                                    currentIndex = i;
-                                    return
-                                }
-                            }
-                            currentIndex = -1;
-                        }
                         width: parent.width
                         currentIndex: -1
                         onCurrentIndexChanged:
@@ -250,31 +211,15 @@ Cura.MachineAction
                         renderType: Text.NativeRendering
                         text:
                         {
-                            if(base.selectedDevice)
+                            if (base.selectedDevice) {
-                            {
+                                // It would be great to use a more readable machine type here,
-                                if (base.selectedDevice.printerType == "ultimaker3")
+                                // but the new discoveredPrintersModel is not used yet in the UM networking actions.
-                                {
+                                // TODO: remove actions or replace 'connect via network' button with new flow?
-                                    return "Ultimaker 3";
+                                return base.selectedDevice.printerType
                             }
-                                else if (base.selectedDevice.printerType == "ultimaker3_extended")
-                                {
-                                    return "Ultimaker 3 Extended";
-                                }
-                                else if (base.selectedDevice.printerType == "ultimaker_s5")
-                                {
-                                    return "Ultimaker S5";
-                                }
-                                else
-                                {
-                                    return catalog.i18nc("@label", "Unknown") // We have no idea what type it is. Should not happen 'in the field'
-                                }
-                            }
-                            else
-                            {
                             return ""
                         }
                     }
-                    }
                     Label
                     {
                         width: Math.round(parent.width * 0.5)

plugins/UM3NetworkPrinting/resources/qml/ExpandableCard.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/GenericPopUp.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/MonitorBuildplateConfiguration.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/MonitorCarousel.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.3

plugins/UM3NetworkPrinting/resources/qml/MonitorConfigOverrideDialog.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.3

plugins/UM3NetworkPrinting/resources/qml/MonitorContextMenu.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.3

plugins/UM3NetworkPrinting/resources/qml/MonitorContextMenuButton.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.3

plugins/UM3NetworkPrinting/resources/qml/MonitorExtruderConfiguration.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/MonitorIconExtruder.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/MonitorInfoBlurb.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.3

plugins/UM3NetworkPrinting/resources/qml/MonitorItem.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/MonitorPrintJobCard.qml

@@ -1,6 +1,5 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
-
 import QtQuick 2.2
 import QtQuick.Controls 2.0
 import UM 1.3 as UM
@@ -76,6 +75,7 @@ Item
                 anchors.verticalCenter: parent.verticalCenter
                 height: 18 * screenScaleFactor // TODO: Theme!
                 width: UM.Theme.getSize("monitor_column").width
+
                 Rectangle
                 {
                     color: UM.Theme.getColor("monitor_skeleton_loading")
@@ -84,6 +84,7 @@ Item
                     visible: !printJob
                     radius: 2 * screenScaleFactor // TODO: Theme!
                 }
+
                 Label
                 {
                     text: printJob ? OutputDevice.formatDuration(printJob.timeTotal) : ""
@@ -179,13 +180,10 @@ Item
                 id: printerConfiguration
                 anchors.verticalCenter: parent.verticalCenter
                 buildplate: catalog.i18nc("@label", "Glass")
-                configurations:
+                configurations: base.printJob.configuration.extruderConfigurations
-                [
-                    base.printJob.configuration.extruderConfigurations[0],
-                    base.printJob.configuration.extruderConfigurations[1]
-                ]
                 height: 72 * screenScaleFactor // TODO: Theme!
             }
+
             Label {
                 text: printJob && printJob.owner ? printJob.owner : ""
                 color: UM.Theme.getColor("monitor_text_primary")
@@ -243,10 +241,11 @@ Item
         enabled: !contextMenuButton.enabled
     }
 
-    MonitorInfoBlurb
+	// TODO: uncomment this tooltip as soon as the required firmware is released
-    {
+    // MonitorInfoBlurb
-        id: contextMenuDisabledInfo
+    // {
-        text: catalog.i18nc("@info", "Please update your printer's firmware to manage the queue remotely.")
+    //     id: contextMenuDisabledInfo
-        target: contextMenuButton
+    //     text: catalog.i18nc("@info", "Please update your printer's firmware to manage the queue remotely.")
-    }
+    //     target: contextMenuButton
+    // }
 }

plugins/UM3NetworkPrinting/resources/qml/MonitorPrintJobPreview.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/MonitorPrintJobProgressBar.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.3

plugins/UM3NetworkPrinting/resources/qml/MonitorPrinterCard.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.3
@@ -90,7 +90,7 @@ Item
                     verticalCenter: parent.verticalCenter
                 }
                 width: 180 * screenScaleFactor // TODO: Theme!
-                height: printerNameLabel.height + printerFamilyPill.height + 6 * screenScaleFactor // TODO: Theme!
+                height: childrenRect.height
 
                 Rectangle
                 {
@@ -135,6 +135,54 @@ Item
                     }
                     text: printer ? printer.type : ""
                 }
+                Item
+                {
+                    id: managePrinterLink
+                    anchors {
+                        top: printerFamilyPill.bottom
+                        topMargin: 6 * screenScaleFactor
+                    }
+                    height: 18 * screenScaleFactor // TODO: Theme!
+                    width: childrenRect.width
+  
+                    Label
+                    {
+                        id: managePrinterText
+                        anchors.verticalCenter: managePrinterLink.verticalCenter
+                        color: UM.Theme.getColor("monitor_text_link")
+                        font: UM.Theme.getFont("default")
+                        linkColor: UM.Theme.getColor("monitor_text_link")
+                        text: catalog.i18nc("@label link to Connect and Cloud interfaces", "Manage printer")
+                        renderType: Text.NativeRendering
+                    }
+                    UM.RecolorImage
+                    {
+                        id: externalLinkIcon
+                        anchors
+                        {
+                            left: managePrinterText.right
+                            leftMargin: 6 * screenScaleFactor
+                            verticalCenter: managePrinterText.verticalCenter
+                        }
+                        color: UM.Theme.getColor("monitor_text_link")
+                        source: UM.Theme.getIcon("external_link")
+                        width: 12 * screenScaleFactor
+                        height: 12 * screenScaleFactor
+                    }
+                }
+                MouseArea
+                {
+                    anchors.fill: managePrinterLink
+                    onClicked: OutputDevice.openPrintJobControlPanel()
+                    onEntered:
+                    {
+                        manageQueueText.font.underline = true
+                    }
+                    onExited:
+                    {
+                        manageQueueText.font.underline = false
+                    }
+                }
             }
 
             MonitorPrinterConfiguration
@@ -202,12 +250,13 @@ Item
             enabled: !contextMenuButton.enabled
         }
 
-        MonitorInfoBlurb
+		// TODO: uncomment this tooltip as soon as the required firmware is released
-        {
+        // MonitorInfoBlurb
-            id: contextMenuDisabledInfo
+        // {
-            text: catalog.i18nc("@info", "Please update your printer's firmware to manage the queue remotely.")
+        //     id: contextMenuDisabledInfo
-            target: contextMenuButton
+        //     text: catalog.i18nc("@info", "Please update your printer's firmware to manage the queue remotely.")
-        }
+        //     target: contextMenuButton
+        // }
 
         CameraButton
         {

plugins/UM3NetworkPrinting/resources/qml/MonitorPrinterConfiguration.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/MonitorPrinterPill.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2
@@ -11,20 +11,8 @@ import UM 1.2 as UM
  */
 Item
 {
-    // The printer name
+    id: monitorPrinterPill
     property var text: ""
-    property var tagText: {
-        switch(text) {
-            case "Ultimaker 3":
-                return "UM 3"
-            case "Ultimaker 3 Extended":
-                return "UM 3 EXT"
-            case "Ultimaker S5":
-                return "UM S5"
-            default:
-                return text
-        }
-    }
 
     implicitHeight: 18 * screenScaleFactor // TODO: Theme!
     implicitWidth: Math.max(printerNameLabel.contentWidth + 12 * screenScaleFactor, 36 * screenScaleFactor) // TODO: Theme!
@@ -40,9 +28,9 @@ Item
         id: printerNameLabel
         anchors.centerIn: parent
         color: UM.Theme.getColor("monitor_text_primary")
-        text: tagText
+        text: monitorPrinterPill.text
         font.pointSize: 10 // TODO: Theme!
-        visible: text !== ""
+        visible: monitorPrinterPill.text !== ""
         renderType: Text.NativeRendering
     }
 }

plugins/UM3NetworkPrinting/resources/qml/MonitorQueue.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2
@@ -95,6 +95,22 @@ Item
         }
         spacing: 18 * screenScaleFactor // TODO: Theme!
 
+        Label
+        {
+            text: catalog.i18nc("@label", "There are no print jobs in the queue. Slice and send a job to add one.")
+            color: UM.Theme.getColor("monitor_text_primary")
+            elide: Text.ElideRight
+            font: UM.Theme.getFont("medium") // 14pt, regular
+            anchors.verticalCenter: parent.verticalCenter
+            width: 600 * screenScaleFactor // TODO: Theme! (Should match column size)
+
+            // FIXED-LINE-HEIGHT:
+            height: 18 * screenScaleFactor // TODO: Theme!
+            verticalAlignment: Text.AlignVCenter
+            renderType: Text.NativeRendering
+            visible: printJobList.count === 0
+        }
+
         Label
         {
             text: catalog.i18nc("@label", "Print jobs")
@@ -108,6 +124,7 @@ Item
             height: 18 * screenScaleFactor // TODO: Theme!
             verticalAlignment: Text.AlignVCenter
             renderType: Text.NativeRendering
+            visible: printJobList.count > 0
         }
 
         Label
@@ -123,6 +140,7 @@ Item
             height: 18 * screenScaleFactor // TODO: Theme!
             verticalAlignment: Text.AlignVCenter
             renderType: Text.NativeRendering
+            visible: printJobList.count > 0
         }
 
         Label
@@ -138,6 +156,7 @@ Item
             height: 18 * screenScaleFactor // TODO: Theme!
             verticalAlignment: Text.AlignVCenter
             renderType: Text.NativeRendering
+            visible: printJobList.count > 0
         }
     }
 
@@ -167,102 +186,8 @@ Item
                 }
                 printJob: modelData
             }
-            model:
+            model: OutputDevice.queuedPrintJobs
-            {
-                // When printing over the cloud we don't recieve print jobs until there is one, so
-                // unless there's at least one print job we'll be stuck with skeleton loading
-                // indefinitely.
-                if (Cura.MachineManager.activeMachineIsUsingCloudConnection || OutputDevice.receivedPrintJobs)
-                {
-                    return OutputDevice.queuedPrintJobs
-                }
-                return [null, null]
-            }
             spacing: 6  // TODO: Theme!
         }
     }
-
-    Rectangle
-    {
-        anchors
-        {
-            horizontalCenter: parent.horizontalCenter
-            top: printJobQueueHeadings.bottom
-            topMargin: 12 * screenScaleFactor // TODO: Theme!
-        }
-        height: 48 * screenScaleFactor // TODO: Theme!
-        width: parent.width
-        color: UM.Theme.getColor("monitor_card_background")
-        border.color: UM.Theme.getColor("monitor_card_border")
-        radius: 2 * screenScaleFactor // TODO: Theme!
-        visible: OutputDevice.printJobs.length == 0
-
-        Row
-        {
-            anchors
-            {
-                left: parent.left
-                leftMargin: 18 * screenScaleFactor // TODO: Theme!
-                verticalCenter: parent.verticalCenter
-            }
-            spacing: 18 * screenScaleFactor // TODO: Theme!
-            height: 18 * screenScaleFactor // TODO: Theme!
-
-            Label
-            {
-                text: i18n.i18nc("@info", "All jobs are printed.")
-                color: UM.Theme.getColor("monitor_text_primary")
-                font: UM.Theme.getFont("medium") // 14pt, regular
-                renderType: Text.NativeRendering
-            }
-
-            Item
-            {
-                id: viewPrintHistoryLabel
-                
-                height: 18 * screenScaleFactor // TODO: Theme!
-                width: childrenRect.width
-                visible: !cloudConnection
-
-                UM.RecolorImage
-                {
-                    id: printHistoryIcon
-                    anchors.verticalCenter: parent.verticalCenter
-                    color: UM.Theme.getColor("monitor_text_link")
-                    source: UM.Theme.getIcon("external_link")
-                    width: 16 * screenScaleFactor // TODO: Theme! (Y U NO USE 18 LIKE ALL OTHER ICONS?!)
-                    height: 16 * screenScaleFactor // TODO: Theme! (Y U NO USE 18 LIKE ALL OTHER ICONS?!)
-                }
-                Label
-                {
-                    id: viewPrintHistoryText
-                    anchors
-                    {
-                        left: printHistoryIcon.right
-                        leftMargin: 6 * screenScaleFactor // TODO: Theme!
-                        verticalCenter: printHistoryIcon.verticalCenter
-                    }
-                    color: UM.Theme.getColor("monitor_text_link")
-                    font: UM.Theme.getFont("medium") // 14pt, regular
-                    linkColor: UM.Theme.getColor("monitor_text_link")
-                    text: catalog.i18nc("@label link to connect manager", "Manage in browser")
-                    renderType: Text.NativeRendering
-                }
-                MouseArea
-                {
-                    anchors.fill: parent
-                    hoverEnabled: true
-                    onClicked: OutputDevice.openPrintJobControlPanel()
-                    onEntered:
-                    {
-                        viewPrintHistoryText.font.underline = true
-                    }
-                    onExited:
-                    {
-                        viewPrintHistoryText.font.underline = false
-                    }
-                }
-            }
-        }
-    }
 }

plugins/UM3NetworkPrinting/resources/qml/MonitorStage.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2
@@ -50,17 +50,7 @@ Component
             MonitorCarousel
             {
                 id: carousel
-                printers:
+                printers: OutputDevice.printers
-                {
-                    // When printing over the cloud we don't recieve print jobs until there is one, so
-                    // unless there's at least one print job we'll be stuck with skeleton loading
-                    // indefinitely.
-                    if (Cura.MachineManager.activeMachineIsUsingCloudConnection || OutputDevice.receivedPrintJobs)
-                    {
-                        return OutputDevice.printers
-                    }
-                    return [null]
-                }
             }
         }
 

plugins/UM3NetworkPrinting/resources/qml/PrintJobContextMenuItem.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/PrintWindow.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/PrinterVideoStream.qml

@@ -1,4 +1,4 @@
-// Copyright (c) 2018 Ultimaker B.V.
+// Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
 import QtQuick 2.2

plugins/UM3NetworkPrinting/resources/qml/UM3InfoComponents.qml

@@ -1,93 +0,0 @@
-// Copyright (c) 2018 Ultimaker B.V.
-// Cura is released under the terms of the LGPLv3 or higher.
-
-import QtQuick 2.2
-import QtQuick.Controls 1.1
-import QtQuick.Layouts 1.1
-import QtQuick.Window 2.1
-import UM 1.2 as UM
-import Cura 1.0 as Cura
-
-Item {
-    id: base;
-    property string activeQualityDefinitionId: Cura.MachineManager.activeQualityDefinitionId;
-    property bool isUM3: activeQualityDefinitionId == "ultimaker3" || activeQualityDefinitionId.match("ultimaker_") != null;
-    property bool printerConnected: Cura.MachineManager.printerConnected;
-    property bool printerAcceptsCommands:
-    {
-        if (printerConnected && Cura.MachineManager.printerOutputDevices[0])
-        {
-            return Cura.MachineManager.printerOutputDevices[0].acceptsCommands
-        }
-        return false
-    }
-    property bool authenticationRequested:
-    {
-        if (printerConnected && Cura.MachineManager.printerOutputDevices[0])
-        {
-            var device = Cura.MachineManager.printerOutputDevices[0]
-            // AuthState.AuthenticationRequested or AuthState.AuthenticationReceived
-            return device.authenticationState == 2 || device.authenticationState == 5
-        }
-        return false
-    }
-    property var materialNames:
-    {
-        if (printerConnected && Cura.MachineManager.printerOutputDevices[0])
-        {
-            return Cura.MachineManager.printerOutputDevices[0].materialNames
-        }
-        return null
-    }
-    property var hotendIds:
-    {
-        if (printerConnected && Cura.MachineManager.printerOutputDevices[0])
-        {
-            return Cura.MachineManager.printerOutputDevices[0].hotendIds
-        }
-        return null
-    }
-
-    UM.I18nCatalog {
-        id: catalog;
-        name: "cura";
-    }
-
-    Row {
-        objectName: "networkPrinterConnectButton";
-        spacing: UM.Theme.getSize("default_margin").width;
-        visible: isUM3;
-
-        Button {
-            height: UM.Theme.getSize("save_button_save_to_button").height;
-            onClicked: Cura.MachineManager.printerOutputDevices[0].requestAuthentication();
-            style: UM.Theme.styles.print_setup_action_button;
-            text: catalog.i18nc("@action:button", "Request Access");
-            tooltip: catalog.i18nc("@info:tooltip", "Send access request to the printer");
-            visible: printerConnected && !printerAcceptsCommands && !authenticationRequested;
-        }
-
-        Button {
-            height: UM.Theme.getSize("save_button_save_to_button").height;
-            onClicked: connectActionDialog.show();
-            style: UM.Theme.styles.print_setup_action_button;
-            text: catalog.i18nc("@action:button", "Connect");
-            tooltip: catalog.i18nc("@info:tooltip", "Connect to a printer");
-            visible: !printerConnected;
-        }
-    }
-
-    UM.Dialog {
-        id: connectActionDialog;
-        rightButtons: Button {
-            iconName: "dialog-close";
-            onClicked: connectActionDialog.reject();
-            text: catalog.i18nc("@action:button", "Close");
-        }
-
-        Loader {
-            anchors.fill: parent;
-            source: "DiscoverUM3Action.qml";
-        }
-    }
-}

plugins/UM3NetworkPrinting/src/Cloud/CloudApiClient.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2018 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 import json
 from json import JSONDecodeError
@@ -11,18 +11,19 @@ from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply, QNetworkAccessManage
 from UM.Logger import Logger
 from cura import UltimakerCloudAuthentication
 from cura.API import Account
+
 from .ToolPathUploader import ToolPathUploader
-from ..Models import BaseModel
+from ..Models.BaseModel import BaseModel
-from .Models.CloudClusterResponse import CloudClusterResponse
+from ..Models.Http.CloudClusterResponse import CloudClusterResponse
-from .Models.CloudError import CloudError
+from ..Models.Http.CloudError import CloudError
-from .Models.CloudClusterStatus import CloudClusterStatus
+from ..Models.Http.CloudClusterStatus import CloudClusterStatus
-from .Models.CloudPrintJobUploadRequest import CloudPrintJobUploadRequest
+from ..Models.Http.CloudPrintJobUploadRequest import CloudPrintJobUploadRequest
-from .Models.CloudPrintResponse import CloudPrintResponse
+from ..Models.Http.CloudPrintResponse import CloudPrintResponse
-from .Models.CloudPrintJobResponse import CloudPrintJobResponse
+from ..Models.Http.CloudPrintJobResponse import CloudPrintJobResponse
 
 
 ## The generic type variable used to document the methods below.
-CloudApiClientModel = TypeVar("CloudApiClientModel", bound = BaseModel)
+CloudApiClientModel = TypeVar("CloudApiClientModel", bound=BaseModel)
 
 
 ## The cloud API client is responsible for handling the requests and responses from the cloud.
@@ -34,6 +35,9 @@ class CloudApiClient:
     CLUSTER_API_ROOT = "{}/connect/v1".format(ROOT_PATH)
     CURA_API_ROOT = "{}/cura/v1".format(ROOT_PATH)
 
+    # In order to avoid garbage collection we keep the callbacks in this list.
+    _anti_gc_callbacks = []  # type: List[Callable[[], None]]
+
     ## Initializes a new cloud API client.
     #  \param account: The user's account object
     #  \param on_error: The callback to be called whenever we receive errors from the server.
@@ -43,8 +47,6 @@ class CloudApiClient:
         self._account = account
         self._on_error = on_error
         self._upload = None  # type: Optional[ToolPathUploader]
-        # In order to avoid garbage collection we keep the callbacks in this list.
-        self._anti_gc_callbacks = []  # type: List[Callable[[], None]]
 
     ## Gets the account used for the API.
     @property
@@ -69,8 +71,8 @@ class CloudApiClient:
     ## Requests the cloud to register the upload of a print job mesh.
     #  \param request: The request object.
     #  \param on_finished: The function to be called after the result is parsed.
-    def requestUpload(self, request: CloudPrintJobUploadRequest, on_finished: Callable[[CloudPrintJobResponse], Any]
+    def requestUpload(self, request: CloudPrintJobUploadRequest,
-                      ) -> None:
+                      on_finished: Callable[[CloudPrintJobResponse], Any]) -> None:
         url = "{}/jobs/upload".format(self.CURA_API_ROOT)
         body = json.dumps({"data": request.toDict()})
         reply = self._manager.put(self._createEmptyRequest(url), body.encode())
@@ -100,14 +102,9 @@ class CloudApiClient:
     #  \param cluster_id: The ID of the cluster.
     #  \param cluster_job_id: The ID of the print job within the cluster.
     #  \param action: The name of the action to execute.
-    def doPrintJobAction(self, cluster_id: str, cluster_job_id: str, action: str, data: Optional[Dict[str, Any]] = None) -> None:
+    def doPrintJobAction(self, cluster_id: str, cluster_job_id: str, action: str,
-        body = b""
+                         data: Optional[Dict[str, Any]] = None) -> None:
-        if data:
+        body = json.dumps({"data": data}).encode() if data else b""
-            try:
-                body = json.dumps({"data": data}).encode()
-            except JSONDecodeError as err:
-                Logger.log("w", "Could not encode body: %s", err)
-                return
         url = "{}/clusters/{}/print_jobs/{}/action/{}".format(self.CLUSTER_API_ROOT, cluster_id, cluster_job_id, action)
         self._manager.post(self._createEmptyRequest(url), body)
 
@@ -171,12 +168,16 @@ class CloudApiClient:
                      reply: QNetworkReply,
                      on_finished: Union[Callable[[CloudApiClientModel], Any],
                                         Callable[[List[CloudApiClientModel]], Any]],
-                     model: Type[CloudApiClientModel],
+                     model: Type[CloudApiClientModel]) -> None:
-                     ) -> None:
         def parse() -> None:
-            status_code, response = self._parseReply(reply)
             self._anti_gc_callbacks.remove(parse)
-            return self._parseModels(response, on_finished, model)
+
+            # Don't try to parse the reply if we didn't get one
+            if reply.attribute(QNetworkRequest.HttpStatusCodeAttribute) is None:
+                return
+
+            status_code, response = self._parseReply(reply)
+            self._parseModels(response, on_finished, model)
 
         self._anti_gc_callbacks.append(parse)
         reply.finished.connect(parse)

plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDevice.py

@@ -1,9 +1,7 @@
-# Copyright (c) 2018 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
-import os
-
 from time import time
-from typing import Dict, List, Optional, Set, cast
+from typing import List, Optional, cast
 
 from PyQt5.QtCore import QObject, QUrl, pyqtProperty, pyqtSignal, pyqtSlot
 from PyQt5.QtGui import QDesktopServices
@@ -12,30 +10,25 @@ from UM import i18nCatalog
 from UM.Backend.Backend import BackendState
 from UM.FileHandler.FileHandler import FileHandler
 from UM.Logger import Logger
-from UM.Message import Message
-from UM.PluginRegistry import PluginRegistry
-from UM.Qt.Duration import Duration, DurationFormat
 from UM.Scene.SceneNode import SceneNode
 from UM.Version import Version
-
 from cura.CuraApplication import CuraApplication
-from cura.PrinterOutput.NetworkedPrinterOutputDevice import AuthState, NetworkedPrinterOutputDevice
+from cura.PrinterOutput.NetworkedPrinterOutputDevice import AuthState
-from cura.PrinterOutput.Models.PrinterOutputModel import PrinterOutputModel
 from cura.PrinterOutput.PrinterOutputDevice import ConnectionType
 
-from .CloudOutputController import CloudOutputController
-from ..MeshFormatHandler import MeshFormatHandler
-from ..UM3PrintJobOutputModel import UM3PrintJobOutputModel
-from .CloudProgressMessage import CloudProgressMessage
 from .CloudApiClient import CloudApiClient
-from .Models.CloudClusterResponse import CloudClusterResponse
+from ..ExportFileJob import ExportFileJob
-from .Models.CloudClusterStatus import CloudClusterStatus
+from ..UltimakerNetworkedPrinterOutputDevice import UltimakerNetworkedPrinterOutputDevice
-from .Models.CloudPrintJobUploadRequest import CloudPrintJobUploadRequest
+from ..Messages.PrintJobUploadBlockedMessage import PrintJobUploadBlockedMessage
-from .Models.CloudPrintResponse import CloudPrintResponse
+from ..Messages.PrintJobUploadErrorMessage import PrintJobUploadErrorMessage
-from .Models.CloudPrintJobResponse import CloudPrintJobResponse
+from ..Messages.PrintJobUploadSuccessMessage import PrintJobUploadSuccessMessage
-from .Models.CloudClusterPrinterStatus import CloudClusterPrinterStatus
+from ..Models.Http.CloudClusterResponse import CloudClusterResponse
-from .Models.CloudClusterPrintJobStatus import CloudClusterPrintJobStatus
+from ..Models.Http.CloudClusterStatus import CloudClusterStatus
-from .Utils import findChanges, formatDateCompleted, formatTimeCompleted
+from ..Models.Http.CloudPrintJobUploadRequest import CloudPrintJobUploadRequest
+from ..Models.Http.CloudPrintResponse import CloudPrintResponse
+from ..Models.Http.CloudPrintJobResponse import CloudPrintJobResponse
+from ..Models.Http.ClusterPrinterStatus import ClusterPrinterStatus
+from ..Models.Http.ClusterPrintJobStatus import ClusterPrintJobStatus
 
 
 I18N_CATALOG = i18nCatalog("cura")
@@ -45,10 +38,11 @@ I18N_CATALOG = i18nCatalog("cura")
 #   Currently it only supports viewing the printer and print job status and adding a new job to the queue.
 #   As such, those methods have been implemented here.
 #   Note that this device represents a single remote cluster, not a list of multiple clusters.
-class CloudOutputDevice(NetworkedPrinterOutputDevice):
+class CloudOutputDevice(UltimakerNetworkedPrinterOutputDevice):
 
-    # The interval with which the remote clusters are checked
+    # The interval with which the remote cluster is checked.
-    CHECK_CLUSTER_INTERVAL = 10.0  # seconds
+    # We can do this relatively often as this API call is quite fast.
+    CHECK_CLUSTER_INTERVAL = 8.0  # seconds
 
     # The minimum version of firmware that support print job actions over cloud.
     PRINT_JOB_ACTIONS_MIN_VERSION = Version("5.3.0")
@@ -80,44 +74,29 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
             b"cluster_size": b"1"  # cloud devices are always clusters of at least one
         }
 
-        super().__init__(device_id = cluster.cluster_id, address = "",
+        super().__init__(
-                         connection_type = ConnectionType.CloudConnection, properties = properties, parent = parent)
+            device_id=cluster.cluster_id,
+            address="",
+            connection_type=ConnectionType.CloudConnection,
+            properties=properties,
+            parent=parent
+        )
+
         self._api = api_client
-        self._cluster = cluster
-
-        self._setInterfaceElements()
-
         self._account = api_client.account
-
+        self._cluster = cluster
-        # We use the Cura Connect monitor tab to get most functionality right away.
+        self.setAuthenticationState(AuthState.NotAuthenticated)
-        if PluginRegistry.getInstance() is not None:
+        self._setInterfaceElements()
-            plugin_path = PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting")
-            if plugin_path is None:
-                Logger.log("e", "Cloud not find plugin path for plugin UM3NetworkPrnting")
-                raise RuntimeError("Cloud not find plugin path for plugin UM3NetworkPrnting")
-            self._monitor_view_qml_path = os.path.join(plugin_path, "resources", "qml", "MonitorStage.qml")
 
         # Trigger the printersChanged signal when the private signal is triggered.
         self.printersChanged.connect(self._clusterPrintersChanged)
 
-        # We keep track of which printer is visible in the monitor page.
-        self._active_printer = None  # type: Optional[PrinterOutputModel]
-
-        # Properties to populate later on with received cloud data.
-        self._print_jobs = []  # type: List[UM3PrintJobOutputModel]
-        self._number_of_extruders = 2  # All networked printers are dual-extrusion Ultimaker machines.
-
-        # We only allow a single upload at a time.
-        self._progress = CloudProgressMessage()
-
         # Keep server string of the last generated time to avoid updating models more than once for the same response
-        self._received_printers = None  # type: Optional[List[CloudClusterPrinterStatus]]
+        self._received_printers = None  # type: Optional[List[ClusterPrinterStatus]]
-        self._received_print_jobs = None  # type: Optional[List[CloudClusterPrintJobStatus]]
+        self._received_print_jobs = None  # type: Optional[List[ClusterPrintJobStatus]]
-
-        # A set of the user's job IDs that have finished
-        self._finished_jobs = set()  # type: Set[str]
 
         # Reference to the uploaded print job / mesh
+        # We do this to prevent re-uploading the same file multiple times.
         self._tool_path = None  # type: Optional[bytes]
         self._uploaded_print_job = None  # type: Optional[CloudPrintJobResponse]
 
@@ -128,9 +107,12 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
         super().connect()
         Logger.log("i", "Connected to cluster %s", self.key)
         CuraApplication.getInstance().getBackend().backendStateChange.connect(self._onBackendStateChange)
+        self._update()
 
     ## Disconnects the device
     def disconnect(self) -> None:
+        if not self.isConnected():
+            return
         super().disconnect()
         Logger.log("i", "Disconnected from cluster %s", self.key)
         CuraApplication.getInstance().getBackend().backendStateChange.disconnect(self._onBackendStateChange)
@@ -140,82 +122,30 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
         self._tool_path = None
         self._uploaded_print_job = None
 
-    ## Gets the cluster response from which this device was created.
-    @property
-    def clusterData(self) -> CloudClusterResponse:
-        return self._cluster
-
-    ## Updates the cluster data from the cloud.
-    @clusterData.setter
-    def clusterData(self, value: CloudClusterResponse) -> None:
-        self._cluster = value
-
     ## Checks whether the given network key is found in the cloud's host name
     def matchesNetworkKey(self, network_key: str) -> bool:
         # Typically, a network key looks like "ultimakersystem-aabbccdd0011._ultimaker._tcp.local."
         # the host name should then be "ultimakersystem-aabbccdd0011"
         if network_key.startswith(self.clusterData.host_name):
             return True
-
         # However, for manually added printers, the local IP address is used in lieu of a proper
         # network key, so check for that as well
-        if self.clusterData.host_internal_ip is not None and network_key.find(self.clusterData.host_internal_ip):
+        if self.clusterData.host_internal_ip is not None and network_key in self.clusterData.host_internal_ip:
             return True
-
         return False
 
     ## Set all the interface elements and texts for this output device.
     def _setInterfaceElements(self) -> None:
-        self.setPriority(2)  # Make sure we end up below the local networking and above 'save to file'
+        self.setPriority(2)  # Make sure we end up below the local networking and above 'save to file'.
-        self.setName(self._id)
         self.setShortDescription(I18N_CATALOG.i18nc("@action:button", "Print via Cloud"))
         self.setDescription(I18N_CATALOG.i18nc("@properties:tooltip", "Print via Cloud"))
         self.setConnectionText(I18N_CATALOG.i18nc("@info:status", "Connected via Cloud"))
 
-    ##  Called when Cura requests an output device to receive a (G-code) file.
-    def requestWrite(self, nodes: List[SceneNode], file_name: Optional[str] = None, limit_mimetypes: bool = False,
-                     file_handler: Optional[FileHandler] = None, **kwargs: str) -> None:
-
-        # Show an error message if we're already sending a job.
-        if self._progress.visible:
-            message = Message(
-                text = I18N_CATALOG.i18nc("@info:status", "Sending new jobs (temporarily) blocked, still sending the previous print job."),
-                title = I18N_CATALOG.i18nc("@info:title", "Cloud error"),
-                lifetime = 10
-            )
-            message.show()
-            return
-
-        if self._uploaded_print_job:
-            # The mesh didn't change, let's not upload it again
-            self._api.requestPrint(self.key, self._uploaded_print_job.job_id, self._onPrintUploadCompleted)
-            return
-
-        # Indicate we have started sending a job.
-        self.writeStarted.emit(self)
-
-        mesh_format = MeshFormatHandler(file_handler, self.firmwareVersion)
-        if not mesh_format.is_valid:
-            Logger.log("e", "Missing file or mesh writer!")
-            return self._onUploadError(I18N_CATALOG.i18nc("@info:status", "Could not export print job."))
-
-        mesh = mesh_format.getBytes(nodes)
-
-        self._tool_path = mesh
-        request = CloudPrintJobUploadRequest(
-            job_name = file_name or mesh_format.file_extension,
-            file_size = len(mesh),
-            content_type = mesh_format.mime_type,
-        )
-        self._api.requestUpload(request, self._onPrintJobCreated)
-
     ## Called when the network data should be updated.
     def _update(self) -> None:
         super()._update()
         if self._last_request_time and time() - self._last_request_time < self.CHECK_CLUSTER_INTERVAL:
             return  # Avoid calling the cloud too often
-
-        Logger.log("d", "Updating: %s - %s >= %s", time(), self._last_request_time, self.CHECK_CLUSTER_INTERVAL)
         if self._account.isLoggedIn:
             self.setAuthenticationState(AuthState.Authenticated)
             self._last_request_time = time()
@@ -231,108 +161,54 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
         if self._received_printers != status.printers:
             self._received_printers = status.printers
             self._updatePrinters(status.printers)
-
         if status.print_jobs != self._received_print_jobs:
             self._received_print_jobs = status.print_jobs
             self._updatePrintJobs(status.print_jobs)
 
-    ## Updates the local list of printers with the list received from the cloud.
+    ##  Called when Cura requests an output device to receive a (G-code) file.
-    #  \param jobs: The printers received from the cloud.
+    def requestWrite(self, nodes: List[SceneNode], file_name: Optional[str] = None, limit_mimetypes: bool = False,
-    def _updatePrinters(self, printers: List[CloudClusterPrinterStatus]) -> None:
+                     file_handler: Optional[FileHandler] = None, filter_by_machine: bool = False, **kwargs) -> None:
-        previous = {p.key: p for p in self._printers}  # type: Dict[str, PrinterOutputModel]
-        received = {p.uuid: p for p in printers}  # type: Dict[str, CloudClusterPrinterStatus]
-        removed_printers, added_printers, updated_printers = findChanges(previous, received)
 
-        for removed_printer in removed_printers:
+        # Show an error message if we're already sending a job.
-            if self._active_printer == removed_printer:
+        if self._progress.visible:
-                self.setActivePrinter(None)
+            PrintJobUploadBlockedMessage().show()
-            self._printers.remove(removed_printer)
-
-        for added_printer in added_printers:
-            self._printers.append(added_printer.createOutputModel(CloudOutputController(self)))
-
-        for model, printer in updated_printers:
-            printer.updateOutputModel(model)
-
-        # Always have an active printer
-        if self._printers and not self._active_printer:
-            self.setActivePrinter(self._printers[0])
-
-        if added_printers or removed_printers:
-            self.printersChanged.emit()
-
-    ## Updates the local list of print jobs with the list received from the cloud.
-    #  \param jobs: The print jobs received from the cloud.
-    def _updatePrintJobs(self, jobs: List[CloudClusterPrintJobStatus]) -> None:
-        received = {j.uuid: j for j in jobs}  # type: Dict[str, CloudClusterPrintJobStatus]
-        previous = {j.key: j for j in self._print_jobs}  # type: Dict[str, UM3PrintJobOutputModel]
-
-        removed_jobs, added_jobs, updated_jobs = findChanges(previous, received)
-
-        for removed_job in removed_jobs:
-            if removed_job.assignedPrinter:
-                removed_job.assignedPrinter.updateActivePrintJob(None)
-                removed_job.stateChanged.disconnect(self._onPrintJobStateChanged)
-            self._print_jobs.remove(removed_job)
-
-        for added_job in added_jobs:
-            self._addPrintJob(added_job)
-
-        for model, job in updated_jobs:
-            job.updateOutputModel(model)
-            if job.printer_uuid:
-                self._updateAssignedPrinter(model, job.printer_uuid)
-
-        # We only have to update when jobs are added or removed
-        # updated jobs push their changes via their output model
-        if added_jobs or removed_jobs:
-            self.printJobsChanged.emit()
-
-    ## Registers a new print job received via the cloud API.
-    #  \param job: The print job received.
-    def _addPrintJob(self, job: CloudClusterPrintJobStatus) -> None:
-        model = job.createOutputModel(CloudOutputController(self))
-        model.stateChanged.connect(self._onPrintJobStateChanged)
-        if job.printer_uuid:
-            self._updateAssignedPrinter(model, job.printer_uuid)
-        self._print_jobs.append(model)
-
-    ## Handles the event of a change in a print job state
-    def _onPrintJobStateChanged(self) -> None:
-        user_name = self._getUserName()
-        # TODO: confirm that notifications in Cura are still required
-        for job in self._print_jobs:
-            if job.state == "wait_cleanup" and job.key not in self._finished_jobs and job.owner == user_name:
-                self._finished_jobs.add(job.key)
-                Message(
-                    title = I18N_CATALOG.i18nc("@info:status", "Print finished"),
-                    text = (I18N_CATALOG.i18nc("@info:status", "Printer '{printer_name}' has finished printing '{job_name}'.").format(
-                        printer_name = job.assignedPrinter.name,
-                        job_name = job.name
-                    ) if job.assignedPrinter else
-                            I18N_CATALOG.i18nc("@info:status", "The print job '{job_name}' was finished.").format(
-                                job_name = job.name
-                            )),
-                ).show()
-
-    ## Updates the printer assignment for the given print job model.
-    def _updateAssignedPrinter(self, model: UM3PrintJobOutputModel, printer_uuid: str) -> None:
-        printer = next((p for p in self._printers if printer_uuid == p.key), None)
-        if not printer:
-            Logger.log("w", "Missing printer %s for job %s in %s", model.assignedPrinter, model.key,
-                            [p.key for p in self._printers])
             return
 
-        printer.updateActivePrintJob(model)
+        # Indicate we have started sending a job.
-        model.updateAssignedPrinter(printer)
+        self.writeStarted.emit(self)
+
+        # The mesh didn't change, let's not upload it to the cloud again.
+        # Note that self.writeFinished is called in _onPrintUploadCompleted as well.
+        if self._uploaded_print_job:
+            self._api.requestPrint(self.key, self._uploaded_print_job.job_id, self._onPrintUploadCompleted)
+            return
+
+        # Export the scene to the correct file type.
+        job = ExportFileJob(file_handler=file_handler, nodes=nodes, firmware_version=self.firmwareVersion)
+        job.finished.connect(self._onPrintJobCreated)
+        job.start()
+
+    ## Handler for when the print job was created locally.
+    #  It can now be sent over the cloud.
+    def _onPrintJobCreated(self, job: ExportFileJob) -> None:
+        output = job.getOutput()
+        self._tool_path = output  # store the tool path to prevent re-uploading when printing the same file again
+        request = CloudPrintJobUploadRequest(
+            job_name=job.getFileName(),
+            file_size=len(output),
+            content_type=job.getMimeType(),
+        )
+        self._api.requestUpload(request, self._uploadPrintJob)
 
     ## Uploads the mesh when the print job was registered with the cloud API.
     #  \param job_response: The response received from the cloud API.
-    def _onPrintJobCreated(self, job_response: CloudPrintJobResponse) -> None:
+    def _uploadPrintJob(self, job_response: CloudPrintJobResponse) -> None:
+        if not self._tool_path:
+            return self._onUploadError()
         self._progress.show()
-        self._uploaded_print_job = job_response
+        self._uploaded_print_job = job_response  # store the last uploaded job to prevent re-upload of the same file
-        tool_path = cast(bytes, self._tool_path)
+        self._api.uploadToolPath(job_response, self._tool_path, self._onPrintJobUploaded, self._progress.update,
-        self._api.uploadToolPath(job_response, tool_path, self._onPrintJobUploaded, self._progress.update, self._onUploadError)
+                                 self._onUploadError)
 
     ## Requests the print to be sent to the printer when we finished uploading the mesh.
     def _onPrintJobUploaded(self) -> None:
@@ -340,128 +216,67 @@ class CloudOutputDevice(NetworkedPrinterOutputDevice):
         print_job = cast(CloudPrintJobResponse, self._uploaded_print_job)
         self._api.requestPrint(self.key, print_job.job_id, self._onPrintUploadCompleted)
 
+    ## Shows a message when the upload has succeeded
+    #  \param response: The response from the cloud API.
+    def _onPrintUploadCompleted(self, response: CloudPrintResponse) -> None:
+        self._progress.hide()
+        PrintJobUploadSuccessMessage().show()
+        self.writeFinished.emit()
+
     ## Displays the given message if uploading the mesh has failed
     #  \param message: The message to display.
     def _onUploadError(self, message: str = None) -> None:
         self._progress.hide()
         self._uploaded_print_job = None
-        Message(
+        PrintJobUploadErrorMessage(message).show()
-            text = message or I18N_CATALOG.i18nc("@info:text", "Could not upload the data to the printer."),
-            title = I18N_CATALOG.i18nc("@info:title", "Cloud error"),
-            lifetime = 10
-        ).show()
         self.writeError.emit()
 
-    ## Shows a message when the upload has succeeded
-    #  \param response: The response from the cloud API.
-    def _onPrintUploadCompleted(self, response: CloudPrintResponse) -> None:
-        Logger.log("d", "The cluster will be printing this print job with the ID %s", response.cluster_job_id)
-        self._progress.hide()
-        Message(
-            text = I18N_CATALOG.i18nc("@info:status", "Print job was successfully sent to the printer."),
-            title = I18N_CATALOG.i18nc("@info:title", "Data Sent"),
-            lifetime = 5
-        ).show()
-        self.writeFinished.emit()
-
     ##  Whether the printer that this output device represents supports print job actions via the cloud.
-    @pyqtProperty(bool, notify = _clusterPrintersChanged)
+    @pyqtProperty(bool, notify=_clusterPrintersChanged)
     def supportsPrintJobActions(self) -> bool:
+        if not self._printers:
+            return False
         version_number = self.printers[0].firmwareVersion.split(".")
         firmware_version = Version([version_number[0], version_number[1], version_number[2]])
         return firmware_version >= self.PRINT_JOB_ACTIONS_MIN_VERSION
 
-    ##  Gets the number of printers in the cluster.
+    ##  Set the remote print job state.
-    #   We use a minimum of 1 because cloud devices are always a cluster and printer discovery needs it.
-    @pyqtProperty(int, notify = _clusterPrintersChanged)
-    def clusterSize(self) -> int:
-        return max(1, len(self._printers))
-
-    ##  Gets the remote printers.
-    @pyqtProperty("QVariantList", notify=_clusterPrintersChanged)
-    def printers(self) -> List[PrinterOutputModel]:
-        return self._printers
-
-    ##  Get the active printer in the UI (monitor page).
-    @pyqtProperty(QObject, notify = activePrinterChanged)
-    def activePrinter(self) -> Optional[PrinterOutputModel]:
-        return self._active_printer
-
-    ## Set the active printer in the UI (monitor page).
-    @pyqtSlot(QObject)
-    def setActivePrinter(self, printer: Optional[PrinterOutputModel] = None) -> None:
-        if printer != self._active_printer:
-            self._active_printer = printer
-            self.activePrinterChanged.emit()
-
-    ##  Get remote print jobs.
-    @pyqtProperty("QVariantList", notify = printJobsChanged)
-    def printJobs(self) -> List[UM3PrintJobOutputModel]:
-        return self._print_jobs
-
-    ##  Get remote print jobs that are still in the print queue.
-    @pyqtProperty("QVariantList", notify = printJobsChanged)
-    def queuedPrintJobs(self) -> List[UM3PrintJobOutputModel]:
-        return [print_job for print_job in self._print_jobs
-                if print_job.state == "queued" or print_job.state == "error"]
-
-    ##  Get remote print jobs that are assigned to a printer.
-    @pyqtProperty("QVariantList", notify = printJobsChanged)
-    def activePrintJobs(self) -> List[UM3PrintJobOutputModel]:
-        return [print_job for print_job in self._print_jobs if
-                print_job.assignedPrinter is not None and print_job.state != "queued"]
-
     def setJobState(self, print_job_uuid: str, state: str) -> None:
         self._api.doPrintJobAction(self._cluster.cluster_id, print_job_uuid, state)
 
-    @pyqtSlot(str)
+    @pyqtSlot(str, name="sendJobToTop")
     def sendJobToTop(self, print_job_uuid: str) -> None:
         self._api.doPrintJobAction(self._cluster.cluster_id, print_job_uuid, "move",
                                    {"list": "queued", "to_position": 0})
 
-    @pyqtSlot(str)
+    @pyqtSlot(str, name="deleteJobFromQueue")
     def deleteJobFromQueue(self, print_job_uuid: str) -> None:
         self._api.doPrintJobAction(self._cluster.cluster_id, print_job_uuid, "remove")
 
-    @pyqtSlot(str)
+    @pyqtSlot(str, name="forceSendJob")
     def forceSendJob(self, print_job_uuid: str) -> None:
         self._api.doPrintJobAction(self._cluster.cluster_id, print_job_uuid, "force")
 
-    @pyqtSlot(int, result = str)
+    @pyqtSlot(name="openPrintJobControlPanel")
-    def formatDuration(self, seconds: int) -> str:
-        return Duration(seconds).getDisplayString(DurationFormat.Format.Short)
-
-    @pyqtSlot(int, result = str)
-    def getTimeCompleted(self, time_remaining: int) -> str:
-        return formatTimeCompleted(time_remaining)
-
-    @pyqtSlot(int, result = str)
-    def getDateCompleted(self, time_remaining: int) -> str:
-        return formatDateCompleted(time_remaining)
-
-    @pyqtProperty(bool, notify=printJobsChanged)
-    def receivedPrintJobs(self) -> bool:
-        return bool(self._print_jobs)
-
-    @pyqtSlot()
     def openPrintJobControlPanel(self) -> None:
-        QDesktopServices.openUrl(QUrl("https://mycloud.ultimaker.com"))
+        QDesktopServices.openUrl(QUrl(self.clusterCloudUrl))
 
-    @pyqtSlot()
+    @pyqtSlot(name="openPrinterControlPanel")
     def openPrinterControlPanel(self) -> None:
-        QDesktopServices.openUrl(QUrl("https://mycloud.ultimaker.com"))
+        QDesktopServices.openUrl(QUrl(self.clusterCloudUrl))
 
-    ##  TODO: The following methods are required by the monitor page QML, but are not actually available using cloud.
+    ## Gets the cluster response from which this device was created.
-    #   TODO: We fake the methods here to not break the monitor page.
+    @property
+    def clusterData(self) -> CloudClusterResponse:
+        return self._cluster
 
-    @pyqtProperty(QUrl, notify = _clusterPrintersChanged)
+    ## Updates the cluster data from the cloud.
-    def activeCameraUrl(self) -> "QUrl":
+    @clusterData.setter
-        return QUrl()
+    def clusterData(self, value: CloudClusterResponse) -> None:
+        self._cluster = value
         
-    @pyqtSlot(QUrl)
+    ## Gets the URL on which to monitor the cluster via the cloud.
-    def setActiveCameraUrl(self, camera_url: "QUrl") -> None:
+    @property
-        pass
+    def clusterCloudUrl(self) -> str:
-
+        root_url_prefix = "-staging" if self._account.is_staging else ""
-    @pyqtProperty("QVariantList", notify = _clusterPrintersChanged)
+        return "https://mycloud{}.ultimaker.com/app/jobs/{}".format(root_url_prefix, self.clusterData.cluster_id)
-    def connectedPrintersTypeCount(self) -> List[Dict[str, str]]:
-        return []

plugins/UM3NetworkPrinting/src/Cloud/CloudOutputDeviceManager.py

@@ -1,30 +1,27 @@
-# Copyright (c) 2018 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
-from typing import Dict, List
+from typing import Dict, List, Optional
 
 from PyQt5.QtCore import QTimer
 
 from UM import i18nCatalog
-from UM.Logger import Logger
-from UM.Message import Message
 from UM.Signal import Signal
 from cura.API import Account
 from cura.CuraApplication import CuraApplication
 from cura.Settings.GlobalStack import GlobalStack
+
 from .CloudApiClient import CloudApiClient
 from .CloudOutputDevice import CloudOutputDevice
-from .Models.CloudClusterResponse import CloudClusterResponse
+from ..Models.Http.CloudClusterResponse import CloudClusterResponse
-from .Models.CloudError import CloudError
-from .Utils import findChanges
 
 
 ## The cloud output device manager is responsible for using the Ultimaker Cloud APIs to manage remote clusters.
 #  Keeping all cloud related logic in this class instead of the UM3OutputDevicePlugin results in more readable code.
-#
 #  API spec is available on https://api.ultimaker.com/docs/connect/spec/.
-#
 class CloudOutputDeviceManager:
+
     META_CLUSTER_ID = "um_cloud_cluster_id"
+    META_NETWORK_KEY = "um_network_key"
 
     # The interval with which the remote clusters are checked
     CHECK_CLUSTER_INTERVAL = 30.0  # seconds
@@ -32,108 +29,120 @@ class CloudOutputDeviceManager:
     # The translation catalog for this device.
     I18N_CATALOG = i18nCatalog("cura")
 
-    addedCloudCluster = Signal()
+    # Signal emitted when the list of discovered devices changed.
-    removedCloudCluster = Signal()
+    discoveredDevicesChanged = Signal()
 
     def __init__(self) -> None:
         # Persistent dict containing the remote clusters for the authenticated user.
         self._remote_clusters = {}  # type: Dict[str, CloudOutputDevice]
-
+        self._account = CuraApplication.getInstance().getCuraAPI().account  # type: Account
-        self._application = CuraApplication.getInstance()
+        self._api = CloudApiClient(self._account, on_error=lambda error: print(error))
-        self._output_device_manager = self._application.getOutputDeviceManager()
+        self._account.loginStateChanged.connect(self._onLoginStateChanged)
-
-        self._account = self._application.getCuraAPI().account  # type: Account
-        self._api = CloudApiClient(self._account, self._onApiError)
 
         # Create a timer to update the remote cluster list
         self._update_timer = QTimer()
         self._update_timer.setInterval(int(self.CHECK_CLUSTER_INTERVAL * 1000))
         self._update_timer.setSingleShot(False)
+        self._update_timer.timeout.connect(self._getRemoteClusters)
 
+        # Ensure we don't start twice.
         self._running = False
 
-    #  Called when the uses logs in or out
+    ## Starts running the cloud output device manager, thus periodically requesting cloud data.
-    def _onLoginStateChanged(self, is_logged_in: bool) -> None:
+    def start(self):
-        Logger.log("d", "Log in state changed to %s", is_logged_in)
+        if self._running:
-        if is_logged_in:
+            return
+        if not self._account.isLoggedIn:
+            return
+        self._running = True
         if not self._update_timer.isActive():
             self._update_timer.start()
         self._getRemoteClusters()
-        else:
+
+    ## Stops running the cloud output device manager.
+    def stop(self):
+        if not self._running:
+            return
+        self._running = False
         if self._update_timer.isActive():
             self._update_timer.stop()
+        self._onGetRemoteClustersFinished([])  # Make sure we remove all cloud output devices.
 
-            # Notify that all clusters have disappeared
+    ## Force refreshing connections.
-            self._onGetRemoteClustersFinished([])
+    def refreshConnections(self) -> None:
+        self._connectToActiveMachine()
+
+    ## Called when the uses logs in or out
+    def _onLoginStateChanged(self, is_logged_in: bool) -> None:
+        if is_logged_in:
+            self.start()
+        else:
+            self.stop()
 
     ## Gets all remote clusters from the API.
     def _getRemoteClusters(self) -> None:
-        Logger.log("d", "Retrieving remote clusters")
         self._api.getClusters(self._onGetRemoteClustersFinished)
 
-    ##  Callback for when the request for getting the clusters. is finished.
+    ## Callback for when the request for getting the clusters is finished.
     def _onGetRemoteClustersFinished(self, clusters: List[CloudClusterResponse]) -> None:
         online_clusters = {c.cluster_id: c for c in clusters if c.is_online}  # type: Dict[str, CloudClusterResponse]
+        for device_id, cluster_data in online_clusters.items():
+            if device_id not in self._remote_clusters:
+                self._onDeviceDiscovered(cluster_data)
+            else:
+                self._onDiscoveredDeviceUpdated(cluster_data)
 
-        removed_devices, added_clusters, updates = findChanges(self._remote_clusters, online_clusters)
+        removed_device_keys = set(self._remote_clusters.keys()) - set(online_clusters.keys())
+        for device_id in removed_device_keys:
+            self._onDiscoveredDeviceRemoved(device_id)
 
-        Logger.log("d", "Parsed remote clusters to %s", [cluster.toDict() for cluster in online_clusters.values()])
+    def _onDeviceDiscovered(self, cluster_data: CloudClusterResponse) -> None:
-        Logger.log("d", "Removed: %s, added: %s, updates: %s", len(removed_devices), len(added_clusters), len(updates))
+        device = CloudOutputDevice(self._api, cluster_data)
-
+        CuraApplication.getInstance().getDiscoveredPrintersModel().addDiscoveredPrinter(
-        # Remove output devices that are gone
+            ip_address=device.key,
-        for device in removed_devices:
+            key=device.getId(),
-            if device.isConnected():
+            name=device.getName(),
-                device.disconnect()
+            create_callback=self._createMachineFromDiscoveredDevice,
-                device.close()
+            machine_type=device.printerType,
-            self._output_device_manager.removeOutputDevice(device.key)
+            device=device
-            self._application.getDiscoveredPrintersModel().removeDiscoveredPrinter(device.key)
-            self.removedCloudCluster.emit(device)
-            del self._remote_clusters[device.key]
-
-        # Add an output device for each new remote cluster.
-        # We only add when is_online as we don't want the option in the drop down if the cluster is not online.
-        for cluster in added_clusters:
-            device = CloudOutputDevice(self._api, cluster)
-            self._remote_clusters[cluster.cluster_id] = device
-            self._application.getDiscoveredPrintersModel().addDiscoveredPrinter(
-                    device.key,
-                    device.key,
-                    cluster.friendly_name,
-                    self._createMachineFromDiscoveredPrinter,
-                    device.printerType,
-                    device
         )
-            self.addedCloudCluster.emit(cluster)
+        self._remote_clusters[device.getId()] = device
-
+        self.discoveredDevicesChanged.emit()
-        # Update the output devices
-        for device, cluster in updates:
-            device.clusterData = cluster
-            self._application.getDiscoveredPrintersModel().updateDiscoveredPrinter(
-                    device.key,
-                    cluster.friendly_name,
-                    device.printerType,
-            )
-
         self._connectToActiveMachine()
 
-    def _createMachineFromDiscoveredPrinter(self, key: str) -> None:
+    def _onDiscoveredDeviceUpdated(self, cluster_data: CloudClusterResponse) -> None:
-        device = self._remote_clusters[key]  # type: CloudOutputDevice
+        device = self._remote_clusters.get(cluster_data.cluster_id)
+        if not device:
+            return
+        CuraApplication.getInstance().getDiscoveredPrintersModel().updateDiscoveredPrinter(
+            ip_address=device.key,
+            name=cluster_data.friendly_name,
+            machine_type=device.printerType
+        )
+        self.discoveredDevicesChanged.emit()
+
+    def _onDiscoveredDeviceRemoved(self, device_id: str) -> None:
+        device = self._remote_clusters.pop(device_id, None)  # type: Optional[CloudOutputDevice]
+        if not device:
+            return
+        device.close()
+        CuraApplication.getInstance().getDiscoveredPrintersModel().removeDiscoveredPrinter(device.key)
+        output_device_manager = CuraApplication.getInstance().getOutputDeviceManager()
+        if device.key in output_device_manager.getOutputDeviceIds():
+            output_device_manager.removeOutputDevice(device.key)
+        self.discoveredDevicesChanged.emit()
+
+    def _createMachineFromDiscoveredDevice(self, key: str) -> None:
+        device = self._remote_clusters[key]
         if not device:
-            Logger.log("e", "Could not find discovered device with key [%s]", key)
             return
 
-        group_name = device.clusterData.friendly_name
-        machine_type_id = device.printerType
-    
-        Logger.log("i", "Creating machine from cloud device with key = [%s], group name = [%s],  printer type = [%s]",
-                   key, group_name, machine_type_id)
-    
         # The newly added machine is automatically activated.
-        self._application.getMachineManager().addMachine(machine_type_id, group_name)
+        machine_manager = CuraApplication.getInstance().getMachineManager()
+        machine_manager.addMachine(device.printerType, device.clusterData.friendly_name)
         active_machine = CuraApplication.getInstance().getGlobalContainerStack()
         if not active_machine:
             return
-
         active_machine.setMetaDataEntry(self.META_CLUSTER_ID, device.key)
         self._connectToOutputDevice(device, active_machine)
 
@@ -143,69 +152,24 @@ class CloudOutputDeviceManager:
         if not active_machine:
             return
 
-        # Remove all output devices that we have registered.
+        output_device_manager = CuraApplication.getInstance().getOutputDeviceManager()
-        # This is needed because when we switch machines we can only leave
-        # output devices that are meant for that machine.
-        for stored_cluster_id in self._remote_clusters:
-            self._output_device_manager.removeOutputDevice(stored_cluster_id)
-
-        # Check if the stored cluster_id for the active machine is in our list of remote clusters.
         stored_cluster_id = active_machine.getMetaDataEntry(self.META_CLUSTER_ID)
-        if stored_cluster_id in self._remote_clusters:
+        local_network_key = active_machine.getMetaDataEntry(self.META_NETWORK_KEY)
-            device = self._remote_clusters[stored_cluster_id]
+        for device in self._remote_clusters.values():
+            if device.key == stored_cluster_id:
+                # Connect to it if the stored ID matches.
                 self._connectToOutputDevice(device, active_machine)
-            Logger.log("d", "Device connected by metadata cluster ID %s", stored_cluster_id)
+            elif local_network_key and device.matchesNetworkKey(local_network_key):
-        else:
+                # Connect to it if we can match the local network key that was already present.
-            self._connectByNetworkKey(active_machine)
-
-    ## Tries to match the local network key to the cloud cluster host name.
-    def _connectByNetworkKey(self, active_machine: GlobalStack) -> None:
-        # Check if the active printer has a local network connection and match this key to the remote cluster.
-        local_network_key = active_machine.getMetaDataEntry("um_network_key")
-        if not local_network_key:
-            return
-
-        device = next((c for c in self._remote_clusters.values() if c.matchesNetworkKey(local_network_key)), None)
-        if not device:
-            return
-
-        Logger.log("i", "Found cluster %s with network key %s", device, local_network_key)
                 active_machine.setMetaDataEntry(self.META_CLUSTER_ID, device.key)
                 self._connectToOutputDevice(device, active_machine)
+            elif device.key in output_device_manager.getOutputDeviceIds():
+                # Remove device if it is not meant for the active machine.
+                output_device_manager.removeOutputDevice(device.key)
 
     ## Connects to an output device and makes sure it is registered in the output device manager.
-    def _connectToOutputDevice(self, device: CloudOutputDevice, active_machine: GlobalStack) -> None:
+    @staticmethod
+    def _connectToOutputDevice(device: CloudOutputDevice, active_machine: GlobalStack) -> None:
         device.connect()
-        self._output_device_manager.addOutputDevice(device)
         active_machine.addConfiguredConnectionType(device.connectionType.value)
-
+        CuraApplication.getInstance().getOutputDeviceManager().addOutputDevice(device)
-    ## Handles an API error received from the cloud.
-    #  \param errors: The errors received
-    def _onApiError(self, errors: List[CloudError] = None) -> None:
-        Logger.log("w", str(errors))
-        message = Message(
-            text = self.I18N_CATALOG.i18nc("@info:description", "There was an error connecting to the cloud."),
-            title = self.I18N_CATALOG.i18nc("@info:title", "Error"),
-            lifetime = 10
-        )
-        message.show()
-
-    ## Starts running the cloud output device manager, thus periodically requesting cloud data.
-    def start(self):
-        if self._running:
-            return
-        self._account.loginStateChanged.connect(self._onLoginStateChanged)
-        # When switching machines we check if we have to activate a remote cluster.
-        self._application.globalContainerStackChanged.connect(self._connectToActiveMachine)
-        self._update_timer.timeout.connect(self._getRemoteClusters)
-        self._onLoginStateChanged(is_logged_in = self._account.isLoggedIn)
-
-    ## Stops running the cloud output device manager.
-    def stop(self):
-        if not self._running:
-            return
-        self._account.loginStateChanged.disconnect(self._onLoginStateChanged)
-        # When switching machines we check if we have to activate a remote cluster.
-        self._application.globalContainerStackChanged.disconnect(self._connectToActiveMachine)
-        self._update_timer.timeout.disconnect(self._getRemoteClusters)
-        self._onLoginStateChanged(is_logged_in = False)

plugins/UM3NetworkPrinting/src/Cloud/Models/CloudClusterBuildPlate.py

@@ -1,13 +0,0 @@
-# Copyright (c) 2018 Ultimaker B.V.
-# Cura is released under the terms of the LGPLv3 or higher.
-from .BaseCloudModel import BaseCloudModel
-
-
-##  Class representing a cluster printer
-#  Spec: https://api-staging.ultimaker.com/connect/v1/spec
-class CloudClusterBuildPlate(BaseCloudModel):
-    ## Create a new build plate
-    #  \param type: The type of buildplate glass or aluminium
-    def __init__(self, type: str = "glass", **kwargs) -> None:
-        self.type = type
-        super().__init__(**kwargs)

plugins/UM3NetworkPrinting/src/Cloud/Models/__init__.py

@@ -1,2 +0,0 @@
-# Copyright (c) 2018 Ultimaker B.V.
-# Cura is released under the terms of the LGPLv3 or higher.

plugins/UM3NetworkPrinting/src/Cloud/ToolPathUploader.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2018 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
 # !/usr/bin/env python
 # -*- coding: utf-8 -*-
 from PyQt5.QtCore import QUrl
@@ -6,7 +6,8 @@ from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply, QNetworkAccessManage
 from typing import Optional, Callable, Any, Tuple, cast
 
 from UM.Logger import Logger
-from .Models.CloudPrintJobResponse import CloudPrintJobResponse
+
+from ..Models.Http.CloudPrintJobResponse import CloudPrintJobResponse
 
 
 ## Class responsible for uploading meshes to the cloud in separate requests.

plugins/UM3NetworkPrinting/src/Cloud/Utils.py

@@ -1,54 +0,0 @@
-from datetime import datetime, timedelta
-from typing import TypeVar, Dict, Tuple, List
-
-from UM import i18nCatalog
-
-T = TypeVar("T")
-U = TypeVar("U")
-
-
-## Splits the given dictionaries into three lists (in a tuple):
-#       - `removed`: Items that were in the first argument but removed in the second one.
-#       - `added`: Items that were not in the first argument but were included in the second one.
-#       - `updated`: Items that were in both dictionaries. Both values are given in a tuple.
-#  \param previous: The previous items
-#  \param received: The received items
-#  \return: The tuple (removed, added, updated) as explained above.
-def findChanges(previous: Dict[str, T], received: Dict[str, U]) -> Tuple[List[T], List[U], List[Tuple[T, U]]]:
-    previous_ids = set(previous)
-    received_ids = set(received)
-
-    removed_ids = previous_ids.difference(received_ids)
-    new_ids = received_ids.difference(previous_ids)
-    updated_ids = received_ids.intersection(previous_ids)
-
-    removed = [previous[removed_id] for removed_id in removed_ids]
-    added = [received[new_id] for new_id in new_ids]
-    updated = [(previous[updated_id], received[updated_id]) for updated_id in updated_ids]
-
-    return removed, added, updated
-
-
-def formatTimeCompleted(seconds_remaining: int) -> str:
-    completed = datetime.now() + timedelta(seconds=seconds_remaining)
-    return "{hour:02d}:{minute:02d}".format(hour = completed.hour, minute = completed.minute)
-
-
-def formatDateCompleted(seconds_remaining: int) -> str:
-    now = datetime.now()
-    completed = now + timedelta(seconds=seconds_remaining)
-    days = (completed.date() - now.date()).days
-    i18n = i18nCatalog("cura")
-
-    # If finishing date is more than 7 days out, using "Mon Dec 3 at HH:MM" format
-    if days >= 7:
-        return completed.strftime("%a %b ") + "{day}".format(day = completed.day)
-    # If finishing date is within the next week, use "Monday at HH:MM" format
-    elif days >= 2:
-        return completed.strftime("%a")
-    # If finishing tomorrow, use "tomorrow at HH:MM" format
-    elif days >= 1:
-        return i18n.i18nc("@info:status", "tomorrow")
-    # If finishing today, use "today at HH:MM" format
-    else:
-        return i18n.i18nc("@info:status", "today")

plugins/UM3NetworkPrinting/src/ClusterOutputController.py

@@ -1,19 +1,14 @@
-# Copyright (c) 2018 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 from cura.PrinterOutput.Models.PrintJobOutputModel import PrintJobOutputModel
 from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
-
+from cura.PrinterOutput.PrinterOutputDevice import PrinterOutputDevice
-from typing import TYPE_CHECKING
-if TYPE_CHECKING:
-    from .CloudOutputDevice import CloudOutputDevice
 
 
-class CloudOutputController(PrinterOutputController):
+class ClusterOutputController(PrinterOutputController):
-    def __init__(self, output_device: "CloudOutputDevice") -> None:
+
+    def __init__(self, output_device: PrinterOutputDevice) -> None:
         super().__init__(output_device)
-        
-        # The cloud connection only supports fetching the printer and queue status and adding a job to the queue.
-        # To let the UI know this we mark all features below as False.
         self.can_pause = True
         self.can_abort = True
         self.can_pre_heat_bed = False
@@ -22,5 +17,5 @@ class CloudOutputController(PrinterOutputController):
         self.can_control_manually = False
         self.can_update_firmware = False
 
-    def setJobState(self, job: "PrintJobOutputModel", state: str):
+    def setJobState(self, job: PrintJobOutputModel, state: str):
         self._output_device.setJobState(job.key, state)

plugins/UM3NetworkPrinting/src/ClusterUM3OutputDevice.py

@@ -1,717 +0,0 @@
-# Copyright (c) 2019 Ultimaker B.V.
-# Cura is released under the terms of the LGPLv3 or higher.
-
-from typing import Any, cast, Tuple, Union, Optional, Dict, List
-from time import time
-
-import io  # To create the correct buffers for sending data to the printer.
-import json
-import os
-
-from UM.FileHandler.FileHandler import FileHandler
-from UM.FileHandler.WriteFileJob import WriteFileJob  # To call the file writer asynchronously.
-from UM.i18n import i18nCatalog
-from UM.Logger import Logger
-from UM.Message import Message
-from UM.PluginRegistry import PluginRegistry
-from UM.Qt.Duration import Duration, DurationFormat
-from UM.Scene.SceneNode import SceneNode  # For typing.
-from UM.Settings.ContainerRegistry import ContainerRegistry
-
-from cura.CuraApplication import CuraApplication
-from cura.PrinterOutput.Models.PrinterConfigurationModel import PrinterConfigurationModel
-from cura.PrinterOutput.Models.ExtruderConfigurationModel import ExtruderConfigurationModel
-from cura.PrinterOutput.NetworkedPrinterOutputDevice import AuthState, NetworkedPrinterOutputDevice
-from cura.PrinterOutput.Models.PrinterOutputModel import PrinterOutputModel
-from cura.PrinterOutput.Models.MaterialOutputModel import MaterialOutputModel
-from cura.PrinterOutput.PrinterOutputDevice import ConnectionType
-
-from .Cloud.Utils import formatTimeCompleted, formatDateCompleted
-from .ClusterUM3PrinterOutputController import ClusterUM3PrinterOutputController
-from .ConfigurationChangeModel import ConfigurationChangeModel
-from .MeshFormatHandler import MeshFormatHandler
-from .SendMaterialJob import SendMaterialJob
-from .UM3PrintJobOutputModel import UM3PrintJobOutputModel
-
-from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply
-from PyQt5.QtGui import QDesktopServices, QImage
-from PyQt5.QtCore import pyqtSlot, QUrl, pyqtSignal, pyqtProperty, QObject
-
-i18n_catalog = i18nCatalog("cura")
-
-
-class ClusterUM3OutputDevice(NetworkedPrinterOutputDevice):
-    printJobsChanged = pyqtSignal()
-    activePrinterChanged = pyqtSignal()
-    activeCameraUrlChanged = pyqtSignal()
-    receivedPrintJobsChanged = pyqtSignal()
-
-    # Notify can only use signals that are defined by the class that they are in, not inherited ones.
-    # Therefore we create a private signal used to trigger the printersChanged signal.
-    _clusterPrintersChanged = pyqtSignal()
-
-    def __init__(self, device_id, address, properties, parent = None) -> None:
-        super().__init__(device_id = device_id, address = address, properties=properties, connection_type = ConnectionType.NetworkConnection, parent = parent)
-        self._api_prefix = "/cluster-api/v1/"
-
-        self._application = CuraApplication.getInstance()
-
-        self._number_of_extruders = 2
-
-        self._dummy_lambdas = (
-            "", {}, io.BytesIO()
-        )  # type: Tuple[Optional[str], Dict[str, Union[str, int, bool]], Union[io.StringIO, io.BytesIO]]
-
-        self._print_jobs = [] # type: List[UM3PrintJobOutputModel]
-        self._received_print_jobs = False # type: bool
-
-        if PluginRegistry.getInstance() is not None:
-            plugin_path = PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting")
-            if plugin_path is None:
-                Logger.log("e", "Cloud not find plugin path for plugin UM3NetworkPrnting")
-                raise RuntimeError("Cloud not find plugin path for plugin UM3NetworkPrnting")
-            self._monitor_view_qml_path = os.path.join(plugin_path, "resources", "qml", "MonitorStage.qml")
-
-        # Trigger the printersChanged signal when the private signal is triggered
-        self.printersChanged.connect(self._clusterPrintersChanged)
-
-        self._accepts_commands = True  # type: bool
-
-        # Cluster does not have authentication, so default to authenticated
-        self._authentication_state = AuthState.Authenticated
-
-        self._error_message = None  # type: Optional[Message]
-        self._write_job_progress_message = None  # type: Optional[Message]
-        self._progress_message = None  # type: Optional[Message]
-
-        self._active_printer = None  # type: Optional[PrinterOutputModel]
-
-        self._printer_selection_dialog = None  # type: QObject
-
-        self.setPriority(3)  # Make sure the output device gets selected above local file output
-        self.setName(self._id)
-        self.setShortDescription(i18n_catalog.i18nc("@action:button Preceded by 'Ready to'.", "Print over network"))
-        self.setDescription(i18n_catalog.i18nc("@properties:tooltip", "Print over network"))
-
-        self.setConnectionText(i18n_catalog.i18nc("@info:status", "Connected over the network"))
-
-        self._printer_uuid_to_unique_name_mapping = {}  # type: Dict[str, str]
-
-        self._finished_jobs = []  # type: List[UM3PrintJobOutputModel]
-
-        self._cluster_size = int(properties.get(b"cluster_size", 0))  # type: int
-
-        self._latest_reply_handler = None  # type: Optional[QNetworkReply]
-        self._sending_job = None
-
-        self._active_camera_url = QUrl()  # type: QUrl
-
-    def requestWrite(self, nodes: List[SceneNode], file_name: Optional[str] = None, limit_mimetypes: bool = False,
-                     file_handler: Optional[FileHandler] = None, **kwargs: str) -> None:
-        self.writeStarted.emit(self)
-
-        self.sendMaterialProfiles()
-
-        mesh_format = MeshFormatHandler(file_handler, self.firmwareVersion)
-
-        # This function pauses with the yield, waiting on instructions on which printer it needs to print with.
-        if not mesh_format.is_valid:
-            Logger.log("e", "Missing file or mesh writer!")
-            return
-        self._sending_job = self._sendPrintJob(mesh_format, nodes)
-        if self._sending_job is not None:
-            self._sending_job.send(None)  # Start the generator.
-
-            if len(self._printers) > 1:  # We need to ask the user.
-                self._spawnPrinterSelectionDialog()
-                is_job_sent = True
-            else:  # Just immediately continue.
-                self._sending_job.send("")  # No specifically selected printer.
-                is_job_sent = self._sending_job.send(None)
-
-    def _spawnPrinterSelectionDialog(self):
-        if self._printer_selection_dialog is None:
-            if PluginRegistry.getInstance() is not None:
-                path = os.path.join(
-                    PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
-                    "resources", "qml", "PrintWindow.qml"
-                )
-                self._printer_selection_dialog = self._application.createQmlComponent(path, {"OutputDevice": self})
-        if self._printer_selection_dialog is not None:
-            self._printer_selection_dialog.show()
-
-    ##  Whether the printer that this output device represents supports print job actions via the local network.
-    @pyqtProperty(bool, constant=True)
-    def supportsPrintJobActions(self) -> bool:
-        return True
-
-    @pyqtProperty(int, constant=True)
-    def clusterSize(self) -> int:
-        return self._cluster_size
-
-    ##  Allows the user to choose a printer to print with from the printer
-    #   selection dialogue.
-    #   \param target_printer The name of the printer to target.
-    @pyqtSlot(str)
-    def selectPrinter(self, target_printer: str = "") -> None:
-        if self._sending_job is not None:
-            self._sending_job.send(target_printer)
-
-    @pyqtSlot()
-    def cancelPrintSelection(self) -> None:
-        self._sending_gcode = False
-
-    ##  Greenlet to send a job to the printer over the network.
-    #
-    #   This greenlet gets called asynchronously in requestWrite. It is a
-    #   greenlet in order to optionally wait for selectPrinter() to select a
-    #   printer.
-    #   The greenlet yields exactly three times: First time None,
-    #   \param mesh_format Object responsible for choosing the right kind of format to write with.
-    def _sendPrintJob(self, mesh_format: MeshFormatHandler, nodes: List[SceneNode]):
-        Logger.log("i", "Sending print job to printer.")
-        if self._sending_gcode:
-            self._error_message = Message(
-                i18n_catalog.i18nc("@info:status",
-                                   "Sending new jobs (temporarily) blocked, still sending the previous print job."))
-            self._error_message.show()
-            yield #Wait on the user to select a target printer.
-            yield #Wait for the write job to be finished.
-            yield False #Return whether this was a success or not.
-            yield #Prevent StopIteration.
-
-        self._sending_gcode = True
-
-        # Potentially wait on the user to select a target printer.
-        target_printer = yield  # type: Optional[str]
-
-        # Using buffering greatly reduces the write time for many lines of gcode
-
-        stream = mesh_format.createStream()
-
-        job = WriteFileJob(mesh_format.writer, stream, nodes, mesh_format.file_mode)
-
-        self._write_job_progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"),
-                                                   lifetime = 0, dismissable = False, progress = -1,
-                                                   title = i18n_catalog.i18nc("@info:title", "Sending Data"),
-                                                   use_inactivity_timer = False)
-        self._write_job_progress_message.show()
-
-        if mesh_format.preferred_format is not None:
-            self._dummy_lambdas = (target_printer, mesh_format.preferred_format, stream)
-            job.finished.connect(self._sendPrintJobWaitOnWriteJobFinished)
-            job.start()
-            yield True  # Return that we had success!
-            yield  # To prevent having to catch the StopIteration exception.
-
-    def _sendPrintJobWaitOnWriteJobFinished(self, job: WriteFileJob) -> None:
-        if self._write_job_progress_message:
-            self._write_job_progress_message.hide()
-
-        self._progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"), lifetime = 0,
-                                         dismissable = False, progress = -1,
-                                         title = i18n_catalog.i18nc("@info:title", "Sending Data"))
-        self._progress_message.addAction("Abort", i18n_catalog.i18nc("@action:button", "Cancel"), icon = "",
-                                         description = "")
-        self._progress_message.actionTriggered.connect(self._progressMessageActionTriggered)
-        self._progress_message.show()
-        parts = []
-
-        target_printer, preferred_format, stream = self._dummy_lambdas
-
-        # If a specific printer was selected, it should be printed with that machine.
-        if target_printer:
-            target_printer = self._printer_uuid_to_unique_name_mapping[target_printer]
-            parts.append(self._createFormPart("name=require_printer_name", bytes(target_printer, "utf-8"), "text/plain"))
-
-        # Add user name to the print_job
-        parts.append(self._createFormPart("name=owner", bytes(self._getUserName(), "utf-8"), "text/plain"))
-
-        file_name = self._application.getPrintInformation().jobName + "." + preferred_format["extension"]
-
-        output = stream.getvalue()  # Either str or bytes depending on the output mode.
-        if isinstance(stream, io.StringIO):
-            output = cast(str, output).encode("utf-8")
-        output = cast(bytes, output)
-
-        parts.append(self._createFormPart("name=\"file\"; filename=\"%s\"" % file_name, output))
-
-        self._latest_reply_handler = self.postFormWithParts("print_jobs/", parts,
-                                                            on_finished = self._onPostPrintJobFinished,
-                                                            on_progress = self._onUploadPrintJobProgress)
-
-    @pyqtProperty(QObject, notify = activePrinterChanged)
-    def activePrinter(self) -> Optional[PrinterOutputModel]:
-        return self._active_printer
-
-    @pyqtSlot(QObject)
-    def setActivePrinter(self, printer: Optional[PrinterOutputModel]) -> None:
-        if self._active_printer != printer:
-            self._active_printer = printer
-            self.activePrinterChanged.emit()
-
-    @pyqtProperty(QUrl, notify = activeCameraUrlChanged)
-    def activeCameraUrl(self) -> "QUrl":
-        return self._active_camera_url
-
-    @pyqtSlot(QUrl)
-    def setActiveCameraUrl(self, camera_url: "QUrl") -> None:
-        if self._active_camera_url != camera_url:
-            self._active_camera_url = camera_url
-            self.activeCameraUrlChanged.emit()
-
-    def _onPostPrintJobFinished(self, reply: QNetworkReply) -> None:
-        if self._progress_message:
-            self._progress_message.hide()
-        self._compressing_gcode = False
-        self._sending_gcode = False
-
-    ##  The IP address of the printer.
-    @pyqtProperty(str, constant = True)
-    def address(self) -> str:
-        return self._address
-
-    def _onUploadPrintJobProgress(self, bytes_sent: int, bytes_total: int) -> None:
-        if bytes_total > 0:
-            new_progress = bytes_sent / bytes_total * 100
-            # Treat upload progress as response. Uploading can take more than 10 seconds, so if we don't, we can get
-            # timeout responses if this happens.
-            self._last_response_time = time()
-            if self._progress_message is not None and new_progress != self._progress_message.getProgress():
-                self._progress_message.show()  # Ensure that the message is visible.
-                self._progress_message.setProgress(bytes_sent / bytes_total * 100)
-
-            # If successfully sent:
-            if bytes_sent == bytes_total:
-                # Show a confirmation to the user so they know the job was sucessful and provide the option to switch to
-                # the monitor tab.
-                self._success_message = Message(
-                    i18n_catalog.i18nc("@info:status", "Print job was successfully sent to the printer."),
-                    lifetime=5, dismissable=True,
-                    title=i18n_catalog.i18nc("@info:title", "Data Sent"))
-                self._success_message.addAction("View", i18n_catalog.i18nc("@action:button", "View in Monitor"), icon = "",
-                                                description="")
-                self._success_message.actionTriggered.connect(self._successMessageActionTriggered)
-                self._success_message.show()
-        else:
-            if self._progress_message is not None:
-                self._progress_message.setProgress(0)
-                self._progress_message.hide()
-
-    def _progressMessageActionTriggered(self, message_id: Optional[str] = None, action_id: Optional[str] = None) -> None:
-        if action_id == "Abort":
-            Logger.log("d", "User aborted sending print to remote.")
-            if self._progress_message is not None:
-                self._progress_message.hide()
-            self._compressing_gcode = False
-            self._sending_gcode = False
-            self._application.getController().setActiveStage("PrepareStage")
-
-            # After compressing the sliced model Cura sends data to printer, to stop receiving updates from the request
-            # the "reply" should be disconnected
-            if self._latest_reply_handler:
-                self._latest_reply_handler.disconnect()
-                self._latest_reply_handler = None
-
-    def _successMessageActionTriggered(self, message_id: Optional[str] = None, action_id: Optional[str] = None) -> None:
-        if action_id == "View":
-            self._application.getController().setActiveStage("MonitorStage")
-
-    @pyqtSlot()
-    def openPrintJobControlPanel(self) -> None:
-        Logger.log("d", "Opening print job control panel...")
-        QDesktopServices.openUrl(QUrl("http://" + self._address + "/print_jobs"))
-
-    @pyqtSlot()
-    def openPrinterControlPanel(self) -> None:
-        Logger.log("d", "Opening printer control panel...")
-        QDesktopServices.openUrl(QUrl("http://" + self._address + "/printers"))
-
-    @pyqtProperty("QVariantList", notify = printJobsChanged)
-    def printJobs(self)-> List[UM3PrintJobOutputModel]:
-        return self._print_jobs
-
-    @pyqtProperty(bool, notify = receivedPrintJobsChanged)
-    def receivedPrintJobs(self) -> bool:
-        return self._received_print_jobs
-
-    @pyqtProperty("QVariantList", notify = printJobsChanged)
-    def queuedPrintJobs(self) -> List[UM3PrintJobOutputModel]:
-        return [print_job for print_job in self._print_jobs if print_job.state == "queued" or print_job.state == "error"]
-
-    @pyqtProperty("QVariantList", notify = printJobsChanged)
-    def activePrintJobs(self) -> List[UM3PrintJobOutputModel]:
-        return [print_job for print_job in self._print_jobs if print_job.assignedPrinter is not None and print_job.state != "queued"]
-
-    @pyqtProperty("QVariantList", notify = _clusterPrintersChanged)
-    def connectedPrintersTypeCount(self) -> List[Dict[str, str]]:
-        printer_count = {} # type: Dict[str, int]
-        for printer in self._printers:
-            if printer.type in printer_count:
-                printer_count[printer.type] += 1
-            else:
-                printer_count[printer.type] = 1
-        result = []
-        for machine_type in printer_count:
-            result.append({"machine_type": machine_type, "count": str(printer_count[machine_type])})
-        return result
-
-    @pyqtProperty("QVariantList", notify=_clusterPrintersChanged)
-    def printers(self):
-        return self._printers
-
-    @pyqtSlot(int, result = str)
-    def getTimeCompleted(self, time_remaining: int) -> str:
-        return formatTimeCompleted(time_remaining)
-
-    @pyqtSlot(int, result = str)
-    def getDateCompleted(self, time_remaining: int) -> str:
-        return formatDateCompleted(time_remaining)
-
-    @pyqtSlot(int, result = str)
-    def formatDuration(self, seconds: int) -> str:
-        return Duration(seconds).getDisplayString(DurationFormat.Format.Short)
-
-    @pyqtSlot(str)
-    def sendJobToTop(self, print_job_uuid: str) -> None:
-        # This function is part of the output device (and not of the printjob output model) as this type of operation
-        # is a modification of the cluster queue and not of the actual job.
-        data = "{\"to_position\": 0}"
-        self.put("print_jobs/{uuid}/move_to_position".format(uuid = print_job_uuid), data, on_finished=None)
-
-    @pyqtSlot(str)
-    def deleteJobFromQueue(self, print_job_uuid: str) -> None:
-        # This function is part of the output device (and not of the printjob output model) as this type of operation
-        # is a modification of the cluster queue and not of the actual job.
-        self.delete("print_jobs/{uuid}".format(uuid = print_job_uuid), on_finished=None)
-
-    @pyqtSlot(str)
-    def forceSendJob(self, print_job_uuid: str) -> None:
-        data = "{\"force\": true}"
-        self.put("print_jobs/{uuid}".format(uuid=print_job_uuid), data, on_finished=None)
-
-    def _printJobStateChanged(self) -> None:
-        username = self._getUserName()
-
-        if username is None:
-            return  # We only want to show notifications if username is set.
-
-        finished_jobs = [job for job in self._print_jobs if job.state == "wait_cleanup"]
-
-        newly_finished_jobs = [job for job in finished_jobs if job not in self._finished_jobs and job.owner == username]
-        for job in newly_finished_jobs:
-            if job.assignedPrinter:
-                job_completed_text = i18n_catalog.i18nc("@info:status", "Printer '{printer_name}' has finished printing '{job_name}'.").format(printer_name=job.assignedPrinter.name, job_name = job.name)
-            else:
-                job_completed_text =  i18n_catalog.i18nc("@info:status", "The print job '{job_name}' was finished.").format(job_name = job.name)
-            job_completed_message = Message(text=job_completed_text, title = i18n_catalog.i18nc("@info:status", "Print finished"))
-            job_completed_message.show()
-
-        # Ensure UI gets updated
-        self.printJobsChanged.emit()
-
-        # Keep a list of all completed jobs so we know if something changed next time.
-        self._finished_jobs = finished_jobs
-
-    ##  Called when the connection to the cluster changes.
-    def connect(self) -> None:
-        super().connect()
-        self.sendMaterialProfiles()
-
-    def _onGetPreviewImageFinished(self, reply: QNetworkReply) -> None:
-        reply_url = reply.url().toString()
-
-        uuid = reply_url[reply_url.find("print_jobs/")+len("print_jobs/"):reply_url.rfind("/preview_image")]
-
-        print_job = findByKey(self._print_jobs, uuid)
-        if print_job:
-            image = QImage()
-            image.loadFromData(reply.readAll())
-            print_job.updatePreviewImage(image)
-
-    def _update(self) -> None:
-        super()._update()
-        self.get("printers/", on_finished = self._onGetPrintersDataFinished)
-        self.get("print_jobs/", on_finished = self._onGetPrintJobsFinished)
-
-        for print_job in self._print_jobs:
-            if print_job.getPreviewImage() is None:
-                self.get("print_jobs/{uuid}/preview_image".format(uuid=print_job.key), on_finished=self._onGetPreviewImageFinished)
-
-    def _onGetPrintJobsFinished(self, reply: QNetworkReply) -> None:
-        self._received_print_jobs = True
-        self.receivedPrintJobsChanged.emit()
-
-        if not checkValidGetReply(reply):
-            return
-
-        result = loadJsonFromReply(reply)
-        if result is None:
-            return
-
-        print_jobs_seen = []
-        job_list_changed = False
-        for idx, print_job_data in enumerate(result):
-            print_job = findByKey(self._print_jobs, print_job_data["uuid"])
-            if print_job is None:
-                print_job = self._createPrintJobModel(print_job_data)
-                job_list_changed = True
-            elif not job_list_changed:
-                # Check if the order of the jobs has changed since the last check
-                if self._print_jobs.index(print_job) != idx:
-                    job_list_changed = True
-
-            self._updatePrintJob(print_job, print_job_data)
-
-            if print_job.state != "queued" and print_job.state != "error":  # Print job should be assigned to a printer.
-                if print_job.state in ["failed", "finished", "aborted", "none"]:
-                    # Print job was already completed, so don't attach it to a printer.
-                    printer = None
-                else:
-                    printer = self._getPrinterByKey(print_job_data["printer_uuid"])
-            else:  # The job can "reserve" a printer if some changes are required.
-                printer = self._getPrinterByKey(print_job_data["assigned_to"])
-
-            if printer:
-                printer.updateActivePrintJob(print_job)
-
-            print_jobs_seen.append(print_job)
-
-        # Check what jobs need to be removed.
-        removed_jobs = [print_job for print_job in self._print_jobs if print_job not in print_jobs_seen]
-
-        for removed_job in removed_jobs:
-            job_list_changed = job_list_changed or self._removeJob(removed_job)
-
-        if job_list_changed:
-            # Override the old list with the new list (either because jobs were removed / added or order changed)
-            self._print_jobs = print_jobs_seen
-            self.printJobsChanged.emit()  # Do a single emit for all print job changes.
-
-    def _onGetPrintersDataFinished(self, reply: QNetworkReply) -> None:
-        if not checkValidGetReply(reply):
-            return
-
-        result = loadJsonFromReply(reply)
-        if result is None:
-            return
-
-        printer_list_changed = False
-        printers_seen = []
-
-        for printer_data in result:
-            printer = findByKey(self._printers, printer_data["uuid"])
-
-            if printer is None:
-                printer = self._createPrinterModel(printer_data)
-                printer_list_changed = True
-
-            printers_seen.append(printer)
-
-            self._updatePrinter(printer, printer_data)
-
-        removed_printers = [printer for printer in self._printers if printer not in printers_seen]
-        for printer in removed_printers:
-            self._removePrinter(printer)
-
-        if removed_printers or printer_list_changed:
-            self.printersChanged.emit()
-
-    def _createPrinterModel(self, data: Dict[str, Any]) -> PrinterOutputModel:
-        printer = PrinterOutputModel(output_controller = ClusterUM3PrinterOutputController(self),
-                                     number_of_extruders = self._number_of_extruders)
-        printer.setCameraUrl(QUrl("http://" + data["ip_address"] + ":8080/?action=stream"))
-        self._printers.append(printer)
-        return printer
-
-    def _createPrintJobModel(self, data: Dict[str, Any]) -> UM3PrintJobOutputModel:
-        print_job = UM3PrintJobOutputModel(output_controller=ClusterUM3PrinterOutputController(self),
-                                        key=data["uuid"], name= data["name"])
-
-        configuration = PrinterConfigurationModel()
-        extruders = [ExtruderConfigurationModel(position = idx) for idx in range(0, self._number_of_extruders)]
-        for index in range(0, self._number_of_extruders):
-            try:
-                extruder_data = data["configuration"][index]
-            except IndexError:
-                continue
-            extruder = extruders[int(data["configuration"][index]["extruder_index"])]
-            extruder.setHotendID(extruder_data.get("print_core_id", ""))
-            extruder.setMaterial(self._createMaterialOutputModel(extruder_data.get("material", {})))
-
-        configuration.setExtruderConfigurations(extruders)
-        configuration.setPrinterType(data.get("machine_variant", ""))
-        print_job.updateConfiguration(configuration)
-        print_job.setCompatibleMachineFamilies(data.get("compatible_machine_families", []))
-        print_job.stateChanged.connect(self._printJobStateChanged)
-        return print_job
-
-    def _updatePrintJob(self, print_job: UM3PrintJobOutputModel, data: Dict[str, Any]) -> None:
-        print_job.updateTimeTotal(data["time_total"])
-        print_job.updateTimeElapsed(data["time_elapsed"])
-        impediments_to_printing = data.get("impediments_to_printing", [])
-        print_job.updateOwner(data["owner"])
-
-        status_set_by_impediment = False
-        for impediment in impediments_to_printing:
-            if impediment["severity"] == "UNFIXABLE":
-                status_set_by_impediment = True
-                print_job.updateState("error")
-                break
-
-        if not status_set_by_impediment:
-            print_job.updateState(data["status"])
-
-        print_job.updateConfigurationChanges(self._createConfigurationChanges(data["configuration_changes_required"]))
-
-    def _createConfigurationChanges(self, data: List[Dict[str, Any]]) -> List[ConfigurationChangeModel]:
-        result = []
-        for change in data:
-            result.append(ConfigurationChangeModel(type_of_change=change["type_of_change"],
-                                                   index=change["index"],
-                                                   target_name=change["target_name"],
-                                                   origin_name=change["origin_name"]))
-        return result
-
-    def _createMaterialOutputModel(self, material_data: Dict[str, Any]) -> "MaterialOutputModel":
-        material_manager = self._application.getMaterialManager()
-        material_group_list = None
-
-        # Avoid crashing if there is no "guid" field in the metadata
-        material_guid = material_data.get("guid")
-        if material_guid:
-            material_group_list = material_manager.getMaterialGroupListByGUID(material_guid)
-
-        # This can happen if the connected machine has no material in one or more extruders (if GUID is empty), or the
-        # material is unknown to Cura, so we should return an "empty" or "unknown" material model.
-        if material_group_list is None:
-            material_name = i18n_catalog.i18nc("@label:material", "Empty") if len(material_data.get("guid", "")) == 0 \
-                        else i18n_catalog.i18nc("@label:material", "Unknown")
-
-            return MaterialOutputModel(guid = material_data.get("guid", ""),
-                                        type = material_data.get("material", ""),
-                                        color = material_data.get("color", ""),
-                                        brand = material_data.get("brand", ""),
-                                        name = material_data.get("name", material_name)
-                                        )
-
-        # Sort the material groups by "is_read_only = True" first, and then the name alphabetically.
-        read_only_material_group_list = list(filter(lambda x: x.is_read_only, material_group_list))
-        non_read_only_material_group_list = list(filter(lambda x: not x.is_read_only, material_group_list))
-        material_group = None
-        if read_only_material_group_list:
-            read_only_material_group_list = sorted(read_only_material_group_list, key = lambda x: x.name)
-            material_group = read_only_material_group_list[0]
-        elif non_read_only_material_group_list:
-            non_read_only_material_group_list = sorted(non_read_only_material_group_list, key = lambda x: x.name)
-            material_group = non_read_only_material_group_list[0]
-
-        if material_group:
-            container = material_group.root_material_node.getContainer()
-            color = container.getMetaDataEntry("color_code")
-            brand = container.getMetaDataEntry("brand")
-            material_type = container.getMetaDataEntry("material")
-            name = container.getName()
-        else:
-            Logger.log("w",
-                       "Unable to find material with guid {guid}. Using data as provided by cluster".format(
-                           guid=material_data["guid"]))
-            color = material_data["color"]
-            brand = material_data["brand"]
-            material_type = material_data["material"]
-            name = i18n_catalog.i18nc("@label:material", "Empty") if material_data["material"] == "empty" \
-                else i18n_catalog.i18nc("@label:material", "Unknown")
-        return MaterialOutputModel(guid = material_data["guid"], type = material_type,
-                                   brand = brand, color = color, name = name)
-
-    def _updatePrinter(self, printer: PrinterOutputModel, data: Dict[str, Any]) -> None:
-        # For some unknown reason the cluster wants UUID for everything, except for sending a job directly to a printer.
-        # Then we suddenly need the unique name. So in order to not have to mess up all the other code, we save a mapping.
-        self._printer_uuid_to_unique_name_mapping[data["uuid"]] = data["unique_name"]
-
-        definitions = ContainerRegistry.getInstance().findDefinitionContainers(name = data["machine_variant"])
-        if not definitions:
-            Logger.log("w", "Unable to find definition for machine variant %s", data["machine_variant"])
-            return
-
-        machine_definition = definitions[0]
-
-        printer.updateName(data["friendly_name"])
-        printer.updateKey(data["uuid"])
-        printer.updateType(data["machine_variant"])
-
-        if data["status"] != "unreachable":
-            self._application.getDiscoveredPrintersModel().updateDiscoveredPrinter(data["ip_address"],
-                                                                               name = data["friendly_name"],
-                                                                               machine_type = data["machine_variant"])
-
-        # Do not store the build plate information that comes from connect if the current printer has not build plate information
-        if "build_plate" in data and machine_definition.getMetaDataEntry("has_variant_buildplates", False):
-            printer.updateBuildplate(data["build_plate"]["type"])
-        if not data["enabled"]:
-            printer.updateState("disabled")
-        else:
-            printer.updateState(data["status"])
-
-        for index in range(0, self._number_of_extruders):
-            extruder = printer.extruders[index]
-            try:
-                extruder_data = data["configuration"][index]
-            except IndexError:
-                break
-
-            extruder.updateHotendID(extruder_data.get("print_core_id", ""))
-
-            material_data = extruder_data["material"]
-            if extruder.activeMaterial is None or extruder.activeMaterial.guid != material_data["guid"]:
-                material = self._createMaterialOutputModel(material_data)
-                extruder.updateActiveMaterial(material)
-
-    def _removeJob(self, job: UM3PrintJobOutputModel) -> bool:
-        if job not in self._print_jobs:
-            return False
-
-        if job.assignedPrinter:
-            job.assignedPrinter.updateActivePrintJob(None)
-            job.stateChanged.disconnect(self._printJobStateChanged)
-        self._print_jobs.remove(job)
-
-        return True
-
-    def _removePrinter(self, printer: PrinterOutputModel) -> None:
-        self._printers.remove(printer)
-        if self._active_printer == printer:
-            self._active_printer = None
-            self.activePrinterChanged.emit()
-
-    ##  Sync the material profiles in Cura with the printer.
-    #
-    #   This gets called when connecting to a printer as well as when sending a
-    #   print.
-    def sendMaterialProfiles(self) -> None:
-        job = SendMaterialJob(device = self)
-        job.run()
-
-def loadJsonFromReply(reply: QNetworkReply) -> Optional[List[Dict[str, Any]]]:
-    try:
-        result = json.loads(bytes(reply.readAll()).decode("utf-8"))
-    except json.decoder.JSONDecodeError:
-        Logger.logException("w", "Unable to decode JSON from reply.")
-        return None
-    return result
-
-
-def checkValidGetReply(reply: QNetworkReply) -> bool:
-    status_code = reply.attribute(QNetworkRequest.HttpStatusCodeAttribute)
-
-    if status_code != 200:
-        Logger.log("w", "Got status code {status_code} while trying to get data".format(status_code=status_code))
-        return False
-    return True
-
-
-def findByKey(lst: List[Union[UM3PrintJobOutputModel, PrinterOutputModel]], key: str) -> Optional[UM3PrintJobOutputModel]:
-    for item in lst:
-        if item.key == key:
-            return item
-    return None

plugins/UM3NetworkPrinting/src/ClusterUM3PrinterOutputController.py

@@ -1,20 +0,0 @@
-# Copyright (c) 2017 Ultimaker B.V.
-# Cura is released under the terms of the LGPLv3 or higher.
-
-from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
-
-MYPY = False
-if MYPY:
-    from cura.PrinterOutput.Models.PrintJobOutputModel import PrintJobOutputModel
-
-class ClusterUM3PrinterOutputController(PrinterOutputController):
-    def __init__(self, output_device):
-        super().__init__(output_device)
-        self.can_pre_heat_bed = False
-        self.can_pre_heat_hotends = False
-        self.can_control_manually = False
-        self.can_send_raw_gcode = False
-
-    def setJobState(self, job: "PrintJobOutputModel", state: str):
-        data = "{\"action\": \"%s\"}" % state
-        self._output_device.put("print_jobs/%s/action" % job.key, data, on_finished=None)

plugins/UM3NetworkPrinting/src/DiscoverUM3Action.py

@@ -1,179 +0,0 @@
-# Copyright (c) 2018 Ultimaker B.V.
-# Cura is released under the terms of the LGPLv3 or higher.
-
-import os.path
-import time
-from typing import Optional, TYPE_CHECKING
-
-from PyQt5.QtCore import pyqtSignal, pyqtProperty, pyqtSlot, QObject
-
-from UM.PluginRegistry import PluginRegistry
-from UM.Logger import Logger
-from UM.i18n import i18nCatalog
-
-from cura.CuraApplication import CuraApplication
-from cura.MachineAction import MachineAction
-from cura.Settings.CuraContainerRegistry import CuraContainerRegistry
-
-from .UM3OutputDevicePlugin import UM3OutputDevicePlugin
-
-if TYPE_CHECKING:
-    from cura.PrinterOutput.PrinterOutputDevice import PrinterOutputDevice
-
-catalog = i18nCatalog("cura")
-
-
-class DiscoverUM3Action(MachineAction):
-    discoveredDevicesChanged = pyqtSignal()
-
-    def __init__(self) -> None:
-        super().__init__("DiscoverUM3Action", catalog.i18nc("@action","Connect via Network"))
-        self._qml_url = "resources/qml/DiscoverUM3Action.qml"
-
-        self._network_plugin = None #type: Optional[UM3OutputDevicePlugin]
-
-        self.__additional_components_view = None #type: Optional[QObject]
-
-        CuraApplication.getInstance().engineCreatedSignal.connect(self._createAdditionalComponentsView)
-
-        self._last_zero_conf_event_time = time.time() #type: float
-
-        # Time to wait after a zero-conf service change before allowing a zeroconf reset
-        self._zero_conf_change_grace_period = 0.25 #type: float
-
-    # Overrides the one in MachineAction.
-    # This requires not attention from the user (any more), so we don't need to show any 'upgrade screens'.
-    def needsUserInteraction(self) -> bool:
-        return False
-
-    @pyqtSlot()
-    def startDiscovery(self):
-        if not self._network_plugin:
-            Logger.log("d", "Starting device discovery.")
-            self._network_plugin = CuraApplication.getInstance().getOutputDeviceManager().getOutputDevicePlugin("UM3NetworkPrinting")
-            self._network_plugin.discoveredDevicesChanged.connect(self._onDeviceDiscoveryChanged)
-            self.discoveredDevicesChanged.emit()
-
-    ##  Re-filters the list of devices.
-    @pyqtSlot()
-    def reset(self):
-        Logger.log("d", "Reset the list of found devices.")
-        if self._network_plugin:
-            self._network_plugin.resetLastManualDevice()
-        self.discoveredDevicesChanged.emit()
-
-    @pyqtSlot()
-    def restartDiscovery(self):
-        # Ensure that there is a bit of time after a printer has been discovered.
-        # This is a work around for an issue with Qt 5.5.1 up to Qt 5.7 which can segfault if we do this too often.
-        # It's most likely that the QML engine is still creating delegates, where the python side already deleted or
-        # garbage collected the data.
-        # Whatever the case, waiting a bit ensures that it doesn't crash.
-        if time.time() - self._last_zero_conf_event_time > self._zero_conf_change_grace_period:
-            if not self._network_plugin:
-                self.startDiscovery()
-            else:
-                self._network_plugin.startDiscovery()
-
-    @pyqtSlot(str, str)
-    def removeManualDevice(self, key, address):
-        if not self._network_plugin:
-            return
-
-        self._network_plugin.removeManualDevice(key, address)
-
-    @pyqtSlot(str, str)
-    def setManualDevice(self, key, address):
-        if key != "":
-            # This manual printer replaces a current manual printer
-            self._network_plugin.removeManualDevice(key)
-
-        if address != "":
-            self._network_plugin.addManualDevice(address)
-
-    def _onDeviceDiscoveryChanged(self, *args):
-        self._last_zero_conf_event_time = time.time()
-        self.discoveredDevicesChanged.emit()
-
-    @pyqtProperty("QVariantList", notify = discoveredDevicesChanged)
-    def foundDevices(self):
-        if self._network_plugin:
-
-            printers = list(self._network_plugin.getDiscoveredDevices().values())
-            printers.sort(key = lambda k: k.name)
-            return printers
-        else:
-            return []
-
-    @pyqtSlot(str)
-    def setGroupName(self, group_name: str) -> None:
-        Logger.log("d", "Attempting to set the group name of the active machine to %s", group_name)
-        global_container_stack = CuraApplication.getInstance().getGlobalContainerStack()
-        if global_container_stack:
-            # Update a GlobalStacks in the same group with the new group name.
-            group_id = global_container_stack.getMetaDataEntry("group_id")
-            machine_manager = CuraApplication.getInstance().getMachineManager()
-            for machine in machine_manager.getMachinesInGroup(group_id):
-                machine.setMetaDataEntry("group_name", group_name)
-
-            # Set the default value for "hidden", which is used when you have a group with multiple types of printers
-            global_container_stack.setMetaDataEntry("hidden", False)
-
-        if self._network_plugin:
-            # Ensure that the connection states are refreshed.
-            self._network_plugin.refreshConnections()
-
-    # Associates the currently active machine with the given printer device. The network connection information will be
-    # stored into the metadata of the currently active machine.
-    @pyqtSlot(QObject)
-    def associateActiveMachineWithPrinterDevice(self, printer_device: Optional["PrinterOutputDevice"]) -> None:
-        if self._network_plugin:
-            self._network_plugin.associateActiveMachineWithPrinterDevice(printer_device)
-
-    @pyqtSlot(result = str)
-    def getStoredKey(self) -> str:
-        global_container_stack = CuraApplication.getInstance().getGlobalContainerStack()
-        if global_container_stack:
-            meta_data = global_container_stack.getMetaData()
-            if "um_network_key" in meta_data:
-                return global_container_stack.getMetaDataEntry("um_network_key")
-
-        return ""
-
-    @pyqtSlot(result = str)
-    def getLastManualEntryKey(self) -> str:
-        if self._network_plugin:
-            return self._network_plugin.getLastManualDevice()
-        return ""
-
-    @pyqtSlot(str, result = bool)
-    def existsKey(self, key: str) -> bool:
-        metadata_filter = {"um_network_key": key}
-        containers = CuraContainerRegistry.getInstance().findContainerStacks(type="machine", **metadata_filter)
-        return bool(containers)
-
-    @pyqtSlot()
-    def loadConfigurationFromPrinter(self) -> None:
-        machine_manager = CuraApplication.getInstance().getMachineManager()
-        hotend_ids = machine_manager.printerOutputDevices[0].hotendIds
-        for index in range(len(hotend_ids)):
-            machine_manager.printerOutputDevices[0].hotendIdChanged.emit(index, hotend_ids[index])
-        material_ids = machine_manager.printerOutputDevices[0].materialIds
-        for index in range(len(material_ids)):
-            machine_manager.printerOutputDevices[0].materialIdChanged.emit(index, material_ids[index])
-
-    def _createAdditionalComponentsView(self) -> None:
-        Logger.log("d", "Creating additional ui components for UM3.")
-
-        # Create networking dialog
-        plugin_path = PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting")
-        if not plugin_path:
-            return
-        path = os.path.join(plugin_path, "resources/qml/UM3InfoComponents.qml")
-        self.__additional_components_view = CuraApplication.getInstance().createQmlComponent(path, {"manager": self})
-        if not self.__additional_components_view:
-            Logger.log("w", "Could not create ui components for UM3.")
-            return
-
-        # Create extra components
-        CuraApplication.getInstance().addAdditionalComponent("monitorButtons", self.__additional_components_view.findChild(QObject, "networkPrinterConnectButton"))

plugins/UM3NetworkPrinting/src/ExportFileJob.py

@@ -0,0 +1,39 @@
+from typing import List, Optional
+
+from UM.FileHandler.FileHandler import FileHandler
+from UM.FileHandler.WriteFileJob import WriteFileJob
+from UM.Logger import Logger
+from UM.Scene.SceneNode import SceneNode
+from cura.CuraApplication import CuraApplication
+
+from .MeshFormatHandler import MeshFormatHandler
+
+
+## Job that exports the build plate to the correct file format for the target cluster.
+class ExportFileJob(WriteFileJob):
+
+    def __init__(self, file_handler: Optional[FileHandler], nodes: List[SceneNode], firmware_version: str) -> None:
+
+        self._mesh_format_handler = MeshFormatHandler(file_handler, firmware_version)
+        if not self._mesh_format_handler.is_valid:
+            Logger.log("e", "Missing file or mesh writer!")
+            return
+
+        super().__init__(self._mesh_format_handler.writer, self._mesh_format_handler.createStream(), nodes,
+                         self._mesh_format_handler.file_mode)
+
+        # Determine the filename.
+        job_name = CuraApplication.getInstance().getPrintInformation().jobName
+        extension = self._mesh_format_handler.preferred_format.get("extension", "")
+        self.setFileName("{}.{}".format(job_name, extension))
+
+    ## Get the mime type of the selected export file type.
+    def getMimeType(self) -> str:
+        return self._mesh_format_handler.mime_type
+
+    ## Get the job result as bytes as that is what we need to upload to the cluster.
+    def getOutput(self) -> bytes:
+        output = self.getStream().getvalue()
+        if isinstance(output, str):
+            output = output.encode("utf-8")
+        return output

plugins/UM3NetworkPrinting/src/LegacyUM3OutputDevice.py

@@ -1,646 +0,0 @@
-from typing import List, Optional
-
-from cura.CuraApplication import CuraApplication
-from cura.PrinterOutput.NetworkedPrinterOutputDevice import NetworkedPrinterOutputDevice, AuthState
-from cura.PrinterOutput.Models.PrinterOutputModel import PrinterOutputModel
-from cura.PrinterOutput.Models.PrintJobOutputModel import PrintJobOutputModel
-from cura.PrinterOutput.Models.MaterialOutputModel import MaterialOutputModel
-from cura.PrinterOutput.PrinterOutputDevice import ConnectionType
-
-from cura.Settings.ContainerManager import ContainerManager
-from cura.Settings.ExtruderManager import ExtruderManager
-
-from UM.FileHandler.FileHandler import FileHandler
-from UM.i18n import i18nCatalog
-from UM.Logger import Logger
-from UM.Message import Message
-from UM.PluginRegistry import PluginRegistry
-from UM.Scene.SceneNode import SceneNode
-from UM.Settings.ContainerRegistry import ContainerRegistry
-
-from PyQt5.QtNetwork import QNetworkRequest
-from PyQt5.QtCore import QTimer, QUrl
-from PyQt5.QtWidgets import QMessageBox
-
-from .LegacyUM3PrinterOutputController import LegacyUM3PrinterOutputController
-
-from time import time
-
-import json
-import os
-
-
-i18n_catalog = i18nCatalog("cura")
-
-
-##  This is the output device for the "Legacy" API of the UM3. All firmware before 4.0.1 uses this API.
-#   Everything after that firmware uses the ClusterUM3Output.
-#   The Legacy output device can only have one printer (whereas the cluster can have 0 to n).
-#
-#   Authentication is done in a number of steps;
-#   1. Request an id / key pair by sending the application & user name. (state = authRequested)
-#   2. Machine sends this back and will display an approve / deny message on screen. (state = AuthReceived)
-#   3. OutputDevice will poll if the button was pressed.
-#   4. At this point the machine either has the state Authenticated or AuthenticationDenied.
-#   5. As a final step, we verify the authentication, as this forces the QT manager to setup the authenticator.
-class LegacyUM3OutputDevice(NetworkedPrinterOutputDevice):
-    def __init__(self, device_id, address: str, properties, parent = None) -> None:
-        super().__init__(device_id = device_id, address = address, properties = properties, connection_type =  ConnectionType.NetworkConnection, parent = parent)
-        self._api_prefix = "/api/v1/"
-        self._number_of_extruders = 2
-
-        self._authentication_id = None
-        self._authentication_key = None
-
-        self._authentication_counter = 0
-        self._max_authentication_counter = 5 * 60  # Number of attempts before authentication timed out (5 min)
-
-        self._authentication_timer = QTimer()
-        self._authentication_timer.setInterval(1000)  # TODO; Add preference for update interval
-        self._authentication_timer.setSingleShot(False)
-
-        self._authentication_timer.timeout.connect(self._onAuthenticationTimer)
-
-        # The messages are created when connect is called the first time.
-        # This ensures that the messages are only created for devices that actually want to connect.
-        self._authentication_requested_message = None
-        self._authentication_failed_message = None
-        self._authentication_succeeded_message = None
-        self._not_authenticated_message = None
-
-        self.authenticationStateChanged.connect(self._onAuthenticationStateChanged)
-
-        self.setPriority(3)  # Make sure the output device gets selected above local file output
-        self.setName(self._id)
-        self.setShortDescription(i18n_catalog.i18nc("@action:button Preceded by 'Ready to'.", "Print over network"))
-        self.setDescription(i18n_catalog.i18nc("@properties:tooltip", "Print over network"))
-
-        self.setIconName("print")
-
-        self._output_controller = LegacyUM3PrinterOutputController(self)
-
-    def _createMonitorViewFromQML(self) -> None:
-        if self._monitor_view_qml_path is None and PluginRegistry.getInstance() is not None:
-            self._monitor_view_qml_path = os.path.join(
-                PluginRegistry.getInstance().getPluginPath("UM3NetworkPrinting"),
-                "resources", "qml", "MonitorStage.qml"
-            )
-        super()._createMonitorViewFromQML()
-
-    def _onAuthenticationStateChanged(self):
-        # We only accept commands if we are authenticated.
-        self._setAcceptsCommands(self._authentication_state == AuthState.Authenticated)
-
-        if self._authentication_state == AuthState.Authenticated:
-            self.setConnectionText(i18n_catalog.i18nc("@info:status", "Connected over the network."))
-        elif self._authentication_state == AuthState.AuthenticationRequested:
-            self.setConnectionText(i18n_catalog.i18nc("@info:status",
-                                                      "Connected over the network. Please approve the access request on the printer."))
-        elif self._authentication_state == AuthState.AuthenticationDenied:
-            self.setConnectionText(i18n_catalog.i18nc("@info:status", "Connected over the network. No access to control the printer."))
-
-
-    def _setupMessages(self):
-        self._authentication_requested_message = Message(i18n_catalog.i18nc("@info:status",
-                                                                            "Access to the printer requested. Please approve the request on the printer"),
-                                                         lifetime=0, dismissable=False, progress=0,
-                                                         title=i18n_catalog.i18nc("@info:title",
-                                                                                  "Authentication status"))
-
-        self._authentication_failed_message = Message("", title=i18n_catalog.i18nc("@info:title", "Authentication Status"))
-        self._authentication_failed_message.addAction("Retry", i18n_catalog.i18nc("@action:button", "Retry"), None,
-                                                      i18n_catalog.i18nc("@info:tooltip", "Re-send the access request"))
-        self._authentication_failed_message.actionTriggered.connect(self._messageCallback)
-        self._authentication_succeeded_message = Message(
-            i18n_catalog.i18nc("@info:status", "Access to the printer accepted"),
-            title=i18n_catalog.i18nc("@info:title", "Authentication Status"))
-
-        self._not_authenticated_message = Message(
-            i18n_catalog.i18nc("@info:status", "No access to print with this printer. Unable to send print job."),
-            title=i18n_catalog.i18nc("@info:title", "Authentication Status"))
-        self._not_authenticated_message.addAction("Request", i18n_catalog.i18nc("@action:button", "Request Access"),
-                                                  None, i18n_catalog.i18nc("@info:tooltip",
-                                                                           "Send access request to the printer"))
-        self._not_authenticated_message.actionTriggered.connect(self._messageCallback)
-
-    def _messageCallback(self, message_id=None, action_id="Retry"):
-        if action_id == "Request" or action_id == "Retry":
-            if self._authentication_failed_message:
-                self._authentication_failed_message.hide()
-            if self._not_authenticated_message:
-                self._not_authenticated_message.hide()
-
-            self._requestAuthentication()
-
-    def connect(self):
-        super().connect()
-        self._setupMessages()
-        global_container = CuraApplication.getInstance().getGlobalContainerStack()
-        if global_container:
-            self._authentication_id = global_container.getMetaDataEntry("network_authentication_id", None)
-            self._authentication_key = global_container.getMetaDataEntry("network_authentication_key", None)
-
-    def close(self):
-        super().close()
-        if self._authentication_requested_message:
-            self._authentication_requested_message.hide()
-        if self._authentication_failed_message:
-            self._authentication_failed_message.hide()
-        if self._authentication_succeeded_message:
-            self._authentication_succeeded_message.hide()
-        self._sending_gcode = False
-        self._compressing_gcode = False
-        self._authentication_timer.stop()
-
-    ##  Send all material profiles to the printer.
-    def _sendMaterialProfiles(self):
-        Logger.log("i", "Sending material profiles to printer")
-
-        # TODO: Might want to move this to a job...
-        for container in ContainerRegistry.getInstance().findInstanceContainers(type="material"):
-            try:
-                xml_data = container.serialize()
-                if xml_data == "" or xml_data is None:
-                    continue
-
-                names = ContainerManager.getInstance().getLinkedMaterials(container.getId())
-                if names:
-                    # There are other materials that share this GUID.
-                    if not container.isReadOnly():
-                        continue  # If it's not readonly, it's created by user, so skip it.
-
-                file_name = "none.xml"
-
-                self.postForm("materials", "form-data; name=\"file\";filename=\"%s\"" % file_name, xml_data.encode(), on_finished=None)
-
-            except NotImplementedError:
-                # If the material container is not the most "generic" one it can't be serialized an will raise a
-                # NotImplementedError. We can simply ignore these.
-                pass
-
-    def requestWrite(self, nodes: List[SceneNode], file_name: Optional[str] = None, limit_mimetypes: bool = False, file_handler: Optional[FileHandler] = None, **kwargs: str) -> None:
-        if not self.activePrinter:
-            # No active printer. Unable to write
-            return
-
-        if self.activePrinter.state not in ["idle", ""]:
-            # Printer is not able to accept commands.
-            return
-
-        if self._authentication_state != AuthState.Authenticated:
-            # Not authenticated, so unable to send job.
-            return
-
-        self.writeStarted.emit(self)
-
-        gcode_dict = getattr(CuraApplication.getInstance().getController().getScene(), "gcode_dict", [])
-        active_build_plate_id = CuraApplication.getInstance().getMultiBuildPlateModel().activeBuildPlate
-        gcode_list = gcode_dict[active_build_plate_id]
-
-        if not gcode_list:
-            # Unable to find g-code. Nothing to send
-            return
-
-        self._gcode = gcode_list
-
-        errors = self._checkForErrors()
-        if errors:
-            text = i18n_catalog.i18nc("@label", "Unable to start a new print job.")
-            informative_text = i18n_catalog.i18nc("@label",
-                                                  "There is an issue with the configuration of your Ultimaker, which makes it impossible to start the print. "
-                                                  "Please resolve this issues before continuing.")
-            detailed_text = ""
-            for error in errors:
-                detailed_text += error + "\n"
-
-            CuraApplication.getInstance().messageBox(i18n_catalog.i18nc("@window:title", "Mismatched configuration"),
-                                                 text,
-                                                 informative_text,
-                                                 detailed_text,
-                                                 buttons=QMessageBox.Ok,
-                                                 icon=QMessageBox.Critical,
-                                                callback = self._messageBoxCallback
-                                                 )
-            return  # Don't continue; Errors must block sending the job to the printer.
-
-        # There might be multiple things wrong with the configuration. Check these before starting.
-        warnings = self._checkForWarnings()
-
-        if warnings:
-            text = i18n_catalog.i18nc("@label", "Are you sure you wish to print with the selected configuration?")
-            informative_text = i18n_catalog.i18nc("@label",
-                                                  "There is a mismatch between the configuration or calibration of the printer and Cura. "
-                                                  "For the best result, always slice for the PrintCores and materials that are inserted in your printer.")
-            detailed_text = ""
-            for warning in warnings:
-                detailed_text += warning + "\n"
-
-            CuraApplication.getInstance().messageBox(i18n_catalog.i18nc("@window:title", "Mismatched configuration"),
-                                                 text,
-                                                 informative_text,
-                                                 detailed_text,
-                                                 buttons=QMessageBox.Yes + QMessageBox.No,
-                                                 icon=QMessageBox.Question,
-                                                 callback=self._messageBoxCallback
-                                                 )
-            return
-
-        # No warnings or errors, so we're good to go.
-        self._startPrint()
-
-        # Notify the UI that a switch to the print monitor should happen
-        CuraApplication.getInstance().getController().setActiveStage("MonitorStage")
-
-    def _startPrint(self):
-        Logger.log("i", "Sending print job to printer.")
-        if self._sending_gcode:
-            self._error_message = Message(
-                i18n_catalog.i18nc("@info:status",
-                                   "Sending new jobs (temporarily) blocked, still sending the previous print job."))
-            self._error_message.show()
-            return
-
-        self._sending_gcode = True
-
-        self._send_gcode_start = time()
-        self._progress_message = Message(i18n_catalog.i18nc("@info:status", "Sending data to printer"), 0, False, -1,
-                                         i18n_catalog.i18nc("@info:title", "Sending Data"))
-        self._progress_message.addAction("Abort", i18n_catalog.i18nc("@action:button", "Cancel"), None, "")
-        self._progress_message.actionTriggered.connect(self._progressMessageActionTriggered)
-        self._progress_message.show()
-        
-        compressed_gcode = self._compressGCode()
-        if compressed_gcode is None:
-            # Abort was called.
-            return
-
-        file_name = "%s.gcode.gz" % CuraApplication.getInstance().getPrintInformation().jobName
-        self.postForm("print_job", "form-data; name=\"file\";filename=\"%s\"" % file_name, compressed_gcode,
-                      on_finished=self._onPostPrintJobFinished)
-
-        return
-
-    def _progressMessageActionTriggered(self, message_id=None, action_id=None):
-        if action_id == "Abort":
-            Logger.log("d", "User aborted sending print to remote.")
-            self._progress_message.hide()
-            self._compressing_gcode = False
-            self._sending_gcode = False
-            CuraApplication.getInstance().getController().setActiveStage("PrepareStage")
-
-    def _onPostPrintJobFinished(self, reply):
-        self._progress_message.hide()
-        self._sending_gcode = False
-
-    def _onUploadPrintJobProgress(self, bytes_sent, bytes_total):
-        if bytes_total > 0:
-            new_progress = bytes_sent / bytes_total * 100
-            # Treat upload progress as response. Uploading can take more than 10 seconds, so if we don't, we can get
-            # timeout responses if this happens.
-            self._last_response_time = time()
-            if new_progress > self._progress_message.getProgress():
-                self._progress_message.show()  # Ensure that the message is visible.
-                self._progress_message.setProgress(bytes_sent / bytes_total * 100)
-        else:
-            self._progress_message.setProgress(0)
-
-            self._progress_message.hide()
-
-    def _messageBoxCallback(self, button):
-        def delayedCallback():
-            if button == QMessageBox.Yes:
-                self._startPrint()
-            else:
-                CuraApplication.getInstance().getController().setActiveStage("PrepareStage")
-                # For some unknown reason Cura on OSX will hang if we do the call back code
-                # immediately without first returning and leaving QML's event system.
-
-        QTimer.singleShot(100, delayedCallback)
-
-    def _checkForErrors(self):
-        errors = []
-        print_information = CuraApplication.getInstance().getPrintInformation()
-        if not print_information.materialLengths:
-            Logger.log("w", "There is no material length information. Unable to check for errors.")
-            return errors
-
-        for index, extruder in enumerate(self.activePrinter.extruders):
-            # Due to airflow issues, both slots must be loaded, regardless if they are actually used or not.
-            if extruder.hotendID == "":
-                # No Printcore loaded.
-                errors.append(i18n_catalog.i18nc("@info:status", "No Printcore loaded in slot {slot_number}".format(slot_number=index + 1)))
-
-            if index < len(print_information.materialLengths) and print_information.materialLengths[index] != 0:
-                # The extruder is by this print.
-                if extruder.activeMaterial is None:
-                    # No active material
-                    errors.append(i18n_catalog.i18nc("@info:status", "No material loaded in slot {slot_number}".format(slot_number=index + 1)))
-        return errors
-
-    def _checkForWarnings(self):
-        warnings = []
-        print_information = CuraApplication.getInstance().getPrintInformation()
-
-        if not print_information.materialLengths:
-            Logger.log("w", "There is no material length information. Unable to check for warnings.")
-            return warnings
-
-        extruder_manager = ExtruderManager.getInstance()
-
-        for index, extruder in enumerate(self.activePrinter.extruders):
-            if index < len(print_information.materialLengths) and print_information.materialLengths[index] != 0:
-                # The extruder is by this print.
-
-                # TODO: material length check
-
-                # Check if the right Printcore is active.
-                variant = extruder_manager.getExtruderStack(index).findContainer({"type": "variant"})
-                if variant:
-                    if variant.getName() != extruder.hotendID:
-                        warnings.append(i18n_catalog.i18nc("@label", "Different PrintCore (Cura: {cura_printcore_name}, Printer: {remote_printcore_name}) selected for extruder {extruder_id}".format(cura_printcore_name = variant.getName(), remote_printcore_name = extruder.hotendID, extruder_id = index + 1)))
-                else:
-                    Logger.log("w", "Unable to find variant.")
-
-                # Check if the right material is loaded.
-                local_material = extruder_manager.getExtruderStack(index).findContainer({"type": "material"})
-                if local_material:
-                    if extruder.activeMaterial.guid != local_material.getMetaDataEntry("GUID"):
-                        Logger.log("w", "Extruder %s has a different material (%s) as Cura (%s)", index + 1, extruder.activeMaterial.guid, local_material.getMetaDataEntry("GUID"))
-                        warnings.append(i18n_catalog.i18nc("@label", "Different material (Cura: {0}, Printer: {1}) selected for extruder {2}").format(local_material.getName(), extruder.activeMaterial.name, index + 1))
-                else:
-                    Logger.log("w", "Unable to find material.")
-
-        return warnings
-
-    def _update(self):
-        if not super()._update():
-            return
-        if self._authentication_state == AuthState.NotAuthenticated:
-            if self._authentication_id is None and self._authentication_key is None:
-                # This machine doesn't have any authentication, so request it.
-                self._requestAuthentication()
-            elif self._authentication_id is not None and self._authentication_key is not None:
-                # We have authentication info, but we haven't checked it out yet. Do so now.
-                self._verifyAuthentication()
-        elif self._authentication_state == AuthState.AuthenticationReceived:
-            # We have an authentication, but it's not confirmed yet.
-            self._checkAuthentication()
-
-        # We don't need authentication for requesting info, so we can go right ahead with requesting this.
-        self.get("printer", on_finished=self._onGetPrinterDataFinished)
-        self.get("print_job", on_finished=self._onGetPrintJobFinished)
-
-    def _resetAuthenticationRequestedMessage(self):
-        if self._authentication_requested_message:
-            self._authentication_requested_message.hide()
-        self._authentication_timer.stop()
-        self._authentication_counter = 0
-
-    def _onAuthenticationTimer(self):
-        self._authentication_counter += 1
-        self._authentication_requested_message.setProgress(
-            self._authentication_counter / self._max_authentication_counter * 100)
-        if self._authentication_counter > self._max_authentication_counter:
-            self._authentication_timer.stop()
-            Logger.log("i", "Authentication timer ended. Setting authentication to denied for printer: %s" % self._id)
-            self.setAuthenticationState(AuthState.AuthenticationDenied)
-            self._resetAuthenticationRequestedMessage()
-            self._authentication_failed_message.show()
-
-    def _verifyAuthentication(self):
-        Logger.log("d", "Attempting to verify authentication")
-        # This will ensure that the "_onAuthenticationRequired" is triggered, which will setup the authenticator.
-        self.get("auth/verify", on_finished=self._onVerifyAuthenticationCompleted)
-
-    def _onVerifyAuthenticationCompleted(self, reply):
-        status_code = reply.attribute(QNetworkRequest.HttpStatusCodeAttribute)
-        if status_code == 401:
-            # Something went wrong; We somehow tried to verify authentication without having one.
-            Logger.log("d", "Attempted to verify auth without having one.")
-            self._authentication_id = None
-            self._authentication_key = None
-            self.setAuthenticationState(AuthState.NotAuthenticated)
-        elif status_code == 403 and self._authentication_state != AuthState.Authenticated:
-            # If we were already authenticated, we probably got an older message back all of the sudden. Drop that.
-            Logger.log("d",
-                       "While trying to verify the authentication state, we got a forbidden response. Our own auth state was %s. ",
-                       self._authentication_state)
-            self.setAuthenticationState(AuthState.AuthenticationDenied)
-            self._authentication_failed_message.show()
-        elif status_code == 200:
-            self.setAuthenticationState(AuthState.Authenticated)
-
-    def _checkAuthentication(self):
-        Logger.log("d", "Checking if authentication is correct for id %s and key %s", self._authentication_id, self._getSafeAuthKey())
-        self.get("auth/check/" + str(self._authentication_id), on_finished=self._onCheckAuthenticationFinished)
-
-    def _onCheckAuthenticationFinished(self, reply):
-        if str(self._authentication_id) not in reply.url().toString():
-            Logger.log("w", "Got an old id response.")
-            # Got response for old authentication ID.
-            return
-        try:
-            data = json.loads(bytes(reply.readAll()).decode("utf-8"))
-        except json.decoder.JSONDecodeError:
-            Logger.log("w", "Received an invalid authentication check from printer: Not valid JSON.")
-            return
-
-        if data.get("message", "") == "authorized":
-            Logger.log("i", "Authentication was approved")
-            self.setAuthenticationState(AuthState.Authenticated)
-            self._saveAuthentication()
-
-            # Double check that everything went well.
-            self._verifyAuthentication()
-
-            # Notify the user.
-            self._resetAuthenticationRequestedMessage()
-            self._authentication_succeeded_message.show()
-        elif data.get("message", "") == "unauthorized":
-            Logger.log("i", "Authentication was denied.")
-            self.setAuthenticationState(AuthState.AuthenticationDenied)
-            self._authentication_failed_message.show()
-
-    def _saveAuthentication(self) -> None:
-        global_container_stack = CuraApplication.getInstance().getGlobalContainerStack()
-        if self._authentication_key is None:
-            Logger.log("e", "Authentication key is None, nothing to save.")
-            return
-        if self._authentication_id is None:
-            Logger.log("e", "Authentication id is None, nothing to save.")
-            return
-        if global_container_stack:
-            global_container_stack.setMetaDataEntry("network_authentication_key", self._authentication_key)
-
-            global_container_stack.setMetaDataEntry("network_authentication_id", self._authentication_id)
-
-            # Force save so we are sure the data is not lost.
-            CuraApplication.getInstance().saveStack(global_container_stack)
-            Logger.log("i", "Authentication succeeded for id %s and key %s", self._authentication_id,
-                       self._getSafeAuthKey())
-        else:
-            Logger.log("e", "Unable to save authentication for id %s and key %s", self._authentication_id,
-                       self._getSafeAuthKey())
-
-    def _onRequestAuthenticationFinished(self, reply):
-        try:
-            data = json.loads(bytes(reply.readAll()).decode("utf-8"))
-        except json.decoder.JSONDecodeError:
-            Logger.log("w", "Received an invalid authentication request reply from printer: Not valid JSON.")
-            self.setAuthenticationState(AuthState.NotAuthenticated)
-            return
-
-        self.setAuthenticationState(AuthState.AuthenticationReceived)
-        self._authentication_id = data["id"]
-        self._authentication_key = data["key"]
-        Logger.log("i", "Got a new authentication ID (%s) and KEY (%s). Waiting for authorization.",
-                   self._authentication_id, self._getSafeAuthKey())
-
-    def _requestAuthentication(self):
-        self._authentication_requested_message.show()
-        self._authentication_timer.start()
-
-        # Reset any previous authentication info. If this isn't done, the "Retry" action on the failed message might
-        # give issues.
-        self._authentication_key = None
-        self._authentication_id = None
-
-        self.post("auth/request",
-                  json.dumps({"application": "Cura-" + CuraApplication.getInstance().getVersion(),
-                              "user": self._getUserName()}),
-                  on_finished=self._onRequestAuthenticationFinished)
-
-        self.setAuthenticationState(AuthState.AuthenticationRequested)
-
-    def _onAuthenticationRequired(self, reply, authenticator):
-        if self._authentication_id is not None and self._authentication_key is not None:
-            Logger.log("d",
-                       "Authentication was required for printer: %s. Setting up authenticator with ID %s and key %s",
-                       self._id, self._authentication_id, self._getSafeAuthKey())
-            authenticator.setUser(self._authentication_id)
-            authenticator.setPassword(self._authentication_key)
-        else:
-            Logger.log("d", "No authentication is available to use for %s, but we did got a request for it.", self._id)
-
-    def _onGetPrintJobFinished(self, reply):
-        status_code = reply.attribute(QNetworkRequest.HttpStatusCodeAttribute)
-
-        if not self._printers:
-            return  # Ignore the data for now, we don't have info about a printer yet.
-        printer = self._printers[0]
-
-        if status_code == 200:
-            try:
-                result = json.loads(bytes(reply.readAll()).decode("utf-8"))
-            except json.decoder.JSONDecodeError:
-                Logger.log("w", "Received an invalid print job state message: Not valid JSON.")
-                return
-            if printer.activePrintJob is None:
-                print_job = PrintJobOutputModel(output_controller=self._output_controller)
-                printer.updateActivePrintJob(print_job)
-            else:
-                print_job = printer.activePrintJob
-            print_job.updateState(result["state"])
-            print_job.updateTimeElapsed(result["time_elapsed"])
-            print_job.updateTimeTotal(result["time_total"])
-            print_job.updateName(result["name"])
-        elif status_code == 404:
-            # No job found, so delete the active print job (if any!)
-            printer.updateActivePrintJob(None)
-        else:
-            Logger.log("w",
-                       "Got status code {status_code} while trying to get printer data".format(status_code=status_code))
-
-    def materialHotendChangedMessage(self, callback):
-        CuraApplication.getInstance().messageBox(i18n_catalog.i18nc("@window:title", "Sync with your printer"),
-                                             i18n_catalog.i18nc("@label",
-                                                                "Would you like to use your current printer configuration in Cura?"),
-                                             i18n_catalog.i18nc("@label",
-                                                                "The PrintCores and/or materials on your printer differ from those within your current project. For the best result, always slice for the PrintCores and materials that are inserted in your printer."),
-                                             buttons=QMessageBox.Yes + QMessageBox.No,
-                                             icon=QMessageBox.Question,
-                                             callback=callback
-                                             )
-
-    def _onGetPrinterDataFinished(self, reply):
-        status_code = reply.attribute(QNetworkRequest.HttpStatusCodeAttribute)
-        if status_code == 200:
-            try:
-                result = json.loads(bytes(reply.readAll()).decode("utf-8"))
-            except json.decoder.JSONDecodeError:
-                Logger.log("w", "Received an invalid printer state message: Not valid JSON.")
-                return
-
-            if not self._printers:
-                # Quickest way to get the firmware version is to grab it from the zeroconf.
-                firmware_version = self._properties.get(b"firmware_version", b"").decode("utf-8")
-                self._printers = [PrinterOutputModel(output_controller=self._output_controller, number_of_extruders=self._number_of_extruders, firmware_version=firmware_version)]
-                self._printers[0].setCameraUrl(QUrl("http://" + self._address + ":8080/?action=stream"))
-                for extruder in self._printers[0].extruders:
-                    extruder.activeMaterialChanged.connect(self.materialIdChanged)
-                    extruder.hotendIDChanged.connect(self.hotendIdChanged)
-                self.printersChanged.emit()
-
-            # LegacyUM3 always has a single printer.
-            printer = self._printers[0]
-            printer.updateBedTemperature(result["bed"]["temperature"]["current"])
-            printer.updateTargetBedTemperature(result["bed"]["temperature"]["target"])
-            printer.updateState(result["status"])
-
-            try:
-                # If we're still handling the request, we should ignore remote for a bit.
-                if not printer.getController().isPreheatRequestInProgress():
-                    printer.updateIsPreheating(result["bed"]["pre_heat"]["active"])
-            except KeyError:
-                # Older firmwares don't support preheating, so we need to fake it.
-                pass
-
-            head_position = result["heads"][0]["position"]
-            printer.updateHeadPosition(head_position["x"], head_position["y"], head_position["z"])
-
-            for index in range(0, self._number_of_extruders):
-                temperatures = result["heads"][0]["extruders"][index]["hotend"]["temperature"]
-                extruder = printer.extruders[index]
-                extruder.updateTargetHotendTemperature(temperatures["target"])
-                extruder.updateHotendTemperature(temperatures["current"])
-
-                material_guid = result["heads"][0]["extruders"][index]["active_material"]["guid"]
-
-                if extruder.activeMaterial is None or extruder.activeMaterial.guid != material_guid:
-                    # Find matching material (as we need to set brand, type & color)
-                    containers = ContainerRegistry.getInstance().findInstanceContainers(type="material",
-                                                                                        GUID=material_guid)
-                    if containers:
-                        color = containers[0].getMetaDataEntry("color_code")
-                        brand = containers[0].getMetaDataEntry("brand")
-                        material_type = containers[0].getMetaDataEntry("material")
-                        name = containers[0].getName()
-                    else:
-                        # Unknown material.
-                        color = "#00000000"
-                        brand = "Unknown"
-                        material_type = "Unknown"
-                        name = "Unknown"
-                    material = MaterialOutputModel(guid=material_guid, type=material_type,
-                                                   brand=brand, color=color, name = name)
-                    extruder.updateActiveMaterial(material)
-
-                try:
-                    hotend_id = result["heads"][0]["extruders"][index]["hotend"]["id"]
-                except KeyError:
-                    hotend_id = ""
-                printer.extruders[index].updateHotendID(hotend_id)
-
-        else:
-            Logger.log("w",
-                       "Got status code {status_code} while trying to get printer data".format(status_code = status_code))
-
-    ##  Convenience function to "blur" out all but the last 5 characters of the auth key.
-    #   This can be used to debug print the key, without it compromising the security.
-    def _getSafeAuthKey(self):
-        if self._authentication_key is not None:
-            result = self._authentication_key[-5:]
-            result = "********" + result
-            return result
-
-        return self._authentication_key

plugins/UM3NetworkPrinting/src/LegacyUM3PrinterOutputController.py

@@ -1,96 +0,0 @@
-# Copyright (c) 2019 Ultimaker B.V.
-# Cura is released under the terms of the LGPLv3 or higher.
-
-from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
-from PyQt5.QtCore import QTimer
-from UM.Version import Version
-
-MYPY = False
-if MYPY:
-    from cura.PrinterOutput.Models.PrintJobOutputModel import PrintJobOutputModel
-    from cura.PrinterOutput.Models.PrinterOutputModel import PrinterOutputModel
-
-
-class LegacyUM3PrinterOutputController(PrinterOutputController):
-    def __init__(self, output_device):
-        super().__init__(output_device)
-        self._preheat_bed_timer = QTimer()
-        self._preheat_bed_timer.setSingleShot(True)
-        self._preheat_bed_timer.timeout.connect(self._onPreheatBedTimerFinished)
-        self._preheat_printer = None
-
-        self.can_control_manually = False
-        self.can_send_raw_gcode = False
-
-        # Are we still waiting for a response about preheat?
-        # We need this so we can already update buttons, so it feels more snappy.
-        self._preheat_request_in_progress = False
-
-    def isPreheatRequestInProgress(self):
-        return self._preheat_request_in_progress
-
-    def setJobState(self, job: "PrintJobOutputModel", state: str):
-        data = "{\"target\": \"%s\"}" % state
-        self._output_device.put("print_job/state", data, on_finished=None)
-
-    def setTargetBedTemperature(self, printer: "PrinterOutputModel", temperature: float):
-        data = str(temperature)
-        self._output_device.put("printer/bed/temperature/target", data, on_finished = self._onPutBedTemperatureCompleted)
-
-    def _onPutBedTemperatureCompleted(self, reply):
-        if Version(self._preheat_printer.firmwareVersion) < Version("3.5.92"):
-            # If it was handling a preheat, it isn't anymore.
-            self._preheat_request_in_progress = False
-
-    def _onPutPreheatBedCompleted(self, reply):
-        self._preheat_request_in_progress = False
-
-    def moveHead(self, printer: "PrinterOutputModel", x, y, z, speed):
-        head_pos = printer._head_position
-        new_x = head_pos.x + x
-        new_y = head_pos.y + y
-        new_z = head_pos.z + z
-        data = "{\n\"x\":%s,\n\"y\":%s,\n\"z\":%s\n}" %(new_x, new_y, new_z)
-        self._output_device.put("printer/heads/0/position", data, on_finished=None)
-
-    def homeBed(self, printer):
-        self._output_device.put("printer/heads/0/position/z", "0", on_finished=None)
-
-    def _onPreheatBedTimerFinished(self):
-        self.setTargetBedTemperature(self._preheat_printer, 0)
-        self._preheat_printer.updateIsPreheating(False)
-        self._preheat_request_in_progress = True
-
-    def cancelPreheatBed(self, printer: "PrinterOutputModel"):
-        self.preheatBed(printer, temperature=0, duration=0)
-        self._preheat_bed_timer.stop()
-        printer.updateIsPreheating(False)
-
-    def preheatBed(self, printer: "PrinterOutputModel", temperature, duration):
-        try:
-            temperature = round(temperature)  # The API doesn't allow floating point.
-            duration = round(duration)
-        except ValueError:
-            return  # Got invalid values, can't pre-heat.
-
-        if duration > 0:
-            data = """{"temperature": "%i", "timeout": "%i"}""" % (temperature, duration)
-        else:
-            data = """{"temperature": "%i"}""" % temperature
-
-        # Real bed pre-heating support is implemented from 3.5.92 and up.
-
-        if Version(printer.firmwareVersion) < Version("3.5.92"):
-            # No firmware-side duration support then, so just set target bed temp and set a timer.
-            self.setTargetBedTemperature(printer, temperature=temperature)
-            self._preheat_bed_timer.setInterval(duration * 1000)
-            self._preheat_bed_timer.start()
-            self._preheat_printer = printer
-            printer.updateIsPreheating(True)
-            return
-
-        self._output_device.put("printer/bed/pre_heat", data, on_finished = self._onPutPreheatBedCompleted)
-        printer.updateIsPreheating(True)
-        self._preheat_request_in_progress = True
-
-

plugins/UM3NetworkPrinting/src/MeshFormatHandler.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2018 Ultimaker B.V.
+# Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 import io
 from typing import Optional, Dict, Union, List, cast
@@ -32,7 +32,7 @@ class MeshFormatHandler:
     #  \return A dict with the file format details, with the following keys:
     #       {id: str, extension: str, description: str, mime_type: str, mode: int, hide_in_file_dialog: bool}
     @property
-    def preferred_format(self) -> Optional[Dict[str, Union[str, int, bool]]]:
+    def preferred_format(self) -> Dict[str, Union[str, int, bool]]:
         return self._preferred_format
 
     ## Gets the file writer for the given file handler and mime type.
@@ -90,6 +90,7 @@ class MeshFormatHandler:
 
         machine_file_formats = global_stack.getMetaDataEntry("file_formats").split(";")
         machine_file_formats = [file_type.strip() for file_type in machine_file_formats]
+
         # Exception for UM3 firmware version >=4.4: UFP is now supported and should be the preferred file format.
         if "application/x-ufp" not in machine_file_formats and Version(firmware_version) >= Version("4.4"):
             machine_file_formats = ["application/x-ufp"] + machine_file_formats

plugins/UM3NetworkPrinting/src/Messages/CloudFlowMessage.py

@@ -0,0 +1,41 @@
+# Copyright (c) 2019 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+import os
+
+from PyQt5.QtCore import QUrl
+from PyQt5.QtGui import QDesktopServices
+
+from UM import i18nCatalog
+from UM.Message import Message
+from cura.CuraApplication import CuraApplication
+
+
+I18N_CATALOG = i18nCatalog("cura")
+
+
+class CloudFlowMessage(Message):
+
+    def __init__(self, address: str) -> None:
+
+        image_path = os.path.join(
+            CuraApplication.getInstance().getPluginRegistry().getPluginPath("UM3NetworkPrinting") or "",
+            "resources", "svg", "cloud-flow-start.svg"
+        )
+
+        super().__init__(
+            text=I18N_CATALOG.i18nc("@info:status",
+                                    "Send and monitor print jobs from anywhere using your Ultimaker account."),
+            lifetime=0,
+            dismissable=True,
+            option_state=False,
+            image_source=image_path,
+            image_caption=I18N_CATALOG.i18nc("@info:status Ultimaker Cloud should not be translated.",
+                                             "Connect to Ultimaker Cloud"),
+        )
+        self._address = address
+        self.addAction("", I18N_CATALOG.i18nc("@action", "Get started"), "", "")
+        self.actionTriggered.connect(self._onCloudFlowStarted)
+
+    def _onCloudFlowStarted(self, messageId: str, actionId: str) -> None:
+        QDesktopServices.openUrl(QUrl("http://{}/cloud_connect".format(self._address)))
+        self.hide()

plugins/UM3NetworkPrinting/src/Messages/LegacyDeviceNoLongerSupportedMessage.py

@@ -0,0 +1,33 @@
+# Copyright (c) 2019 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+from UM import i18nCatalog
+from UM.Message import Message
+
+
+I18N_CATALOG = i18nCatalog("cura")
+
+
+## Message shown when trying to connect to a legacy printer device.
+class LegacyDeviceNoLongerSupportedMessage(Message):
+    
+    # Singleton used to prevent duplicate messages of this type at the same time.
+    __is_visible = False
+    
+    def __init__(self) -> None:
+        super().__init__(
+            text = I18N_CATALOG.i18nc("@info:status", "You are attempting to connect to a printer that is not "
+                                                      "running Ultimaker Connect. Please update the printer to the "
+                                                      "latest firmware."),
+            title = I18N_CATALOG.i18nc("@info:title", "Update your printer"),
+            lifetime = 10
+        )
+
+    def show(self) -> None:
+        if LegacyDeviceNoLongerSupportedMessage.__is_visible:
+            return
+        super().show()
+        LegacyDeviceNoLongerSupportedMessage.__is_visible = True
+
+    def hide(self, send_signal = True) -> None:
+        super().hide(send_signal)
+        LegacyDeviceNoLongerSupportedMessage.__is_visible = False

plugins/UM3NetworkPrinting/src/Messages/NotClusterHostMessage.py

@@ -0,0 +1,50 @@
+# Copyright (c) 2019 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+from typing import TYPE_CHECKING
+
+from PyQt5.QtCore import QUrl
+from PyQt5.QtGui import QDesktopServices
+
+from UM import i18nCatalog
+from UM.Message import Message
+
+
+if TYPE_CHECKING:
+    from ..UltimakerNetworkedPrinterOutputDevice import UltimakerNetworkedPrinterOutputDevice
+
+
+I18N_CATALOG = i18nCatalog("cura")
+
+
+## Message shown when trying to connect to a printer that is not a host.
+class NotClusterHostMessage(Message):
+
+    # Singleton used to prevent duplicate messages of this type at the same time.
+    __is_visible = False
+
+    def __init__(self, device: "UltimakerNetworkedPrinterOutputDevice") -> None:
+        super().__init__(
+            text = I18N_CATALOG.i18nc("@info:status", "You are attempting to connect to {0} but it is not "
+                                                      "the host of a group. You can visit the web page to configure "
+                                                      "it as a group host.", device.name),
+            title = I18N_CATALOG.i18nc("@info:title", "Not a group host"),
+            lifetime = 0,
+            dismissable = True
+        )
+        self._address = device.address
+        self.addAction("", I18N_CATALOG.i18nc("@action", "Configure group"), "", "")
+        self.actionTriggered.connect(self._onConfigureClicked)
+
+    def show(self) -> None:
+        if NotClusterHostMessage.__is_visible:
+            return
+        super().show()
+        NotClusterHostMessage.__is_visible = True
+
+    def hide(self, send_signal = True) -> None:
+        super().hide(send_signal)
+        NotClusterHostMessage.__is_visible = False
+
+    def _onConfigureClicked(self, messageId: str, actionId: str) -> None:
+        QDesktopServices.openUrl(QUrl("http://{}/print_jobs".format(self._address)))
+        self.hide()

plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadBlockedMessage.py

@@ -0,0 +1,18 @@
+# Copyright (c) 2019 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+from UM import i18nCatalog
+from UM.Message import Message
+
+
+I18N_CATALOG = i18nCatalog("cura")
+
+
+## Message shown when uploading a print job to a cluster is blocked because another upload is already in progress.
+class PrintJobUploadBlockedMessage(Message):
+    
+    def __init__(self) -> None:
+        super().__init__(
+            text = I18N_CATALOG.i18nc("@info:status", "Please wait until the current job has been sent."),
+            title = I18N_CATALOG.i18nc("@info:title", "Print error"),
+            lifetime = 10
+        )

plugins/UM3NetworkPrinting/src/Messages/PrintJobUploadErrorMessage.py

@@ -0,0 +1,18 @@
+# Copyright (c) 2019 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+from UM import i18nCatalog
+from UM.Message import Message
+
+
+I18N_CATALOG = i18nCatalog("cura")
+
+
+## Message shown when uploading a print job to a cluster failed.
+class PrintJobUploadErrorMessage(Message):
+    
+    def __init__(self, message: str = None) -> None:
+        super().__init__(
+            text = message or I18N_CATALOG.i18nc("@info:text", "Could not upload the data to the printer."),
+            title = I18N_CATALOG.i18nc("@info:title", "Network error"),
+            lifetime = 10
+        )