Merge pull request #3418 from Ultimaker/docker

Docker support

.dockerignore

@@ -0,0 +1,4 @@
+.git
+.github
+resources/materials
+CuraEngine

Dockerfile

@@ -0,0 +1,45 @@
+FROM ultimaker/cura-build-environment:1
+
+# Environment vars for easy configuration
+ENV CURA_APP_DIR=/srv/cura
+
+# Ensure our sources dir exists
+RUN mkdir $CURA_APP_DIR
+
+# Setup CuraEngine
+ENV CURA_ENGINE_BRANCH=master
+WORKDIR $CURA_APP_DIR
+RUN git clone -b $CURA_ENGINE_BRANCH --depth 1 https://github.com/Ultimaker/CuraEngine
+WORKDIR $CURA_APP_DIR/CuraEngine
+RUN mkdir build
+WORKDIR $CURA_APP_DIR/CuraEngine/build
+RUN cmake3 ..
+RUN make
+RUN make install
+
+# TODO: setup libCharon
+
+# Setup Uranium
+ENV URANIUM_BRANCH=master
+WORKDIR $CURA_APP_DIR
+RUN git clone -b $URANIUM_BRANCH --depth 1 https://github.com/Ultimaker/Uranium
+
+# Setup materials
+ENV MATERIALS_BRANCH=master
+WORKDIR $CURA_APP_DIR
+RUN git clone -b $MATERIALS_BRANCH --depth 1 https://github.com/Ultimaker/fdm_materials materials
+
+# Setup Cura
+WORKDIR $CURA_APP_DIR/Cura
+ADD . .
+RUN mv $CURA_APP_DIR/materials resources/materials
+
+# Make sure Cura can find CuraEngine
+RUN ln -s /usr/local/bin/CuraEngine $CURA_APP_DIR/Cura
+
+# Run Cura
+WORKDIR $CURA_APP_DIR/Cura
+ENV PYTHONPATH=${PYTHONPATH}:$CURA_APP_DIR/Uranium
+RUN chmod +x ./CuraEngine
+RUN chmod +x ./run_in_docker.sh
+CMD "./run_in_docker.sh"

cura/Settings/MachineManager.py

@@ -306,6 +306,14 @@ class MachineManager(QObject):
 
         self.__emitChangedSignals()
 
+    @staticmethod
+    def getMachine(definition_id: str) -> Optional["GlobalStack"]:
+        machines = ContainerRegistry.getInstance().findContainerStacks(type = "machine")
+        for machine in machines:
+            if machine.definition.getId() == definition_id:
+                return machine
+        return None
+
     @pyqtSlot(str, str)
     def addMachine(self, name: str, definition_id: str) -> None:
         new_stack = CuraStackBuilder.createMachine(name, definition_id)

plugins/CuraEngineBackend/CuraEngineBackend.py

@@ -33,6 +33,9 @@ from UM.i18n import i18nCatalog
 catalog = i18nCatalog("cura")
 
 class CuraEngineBackend(QObject, Backend):
+
+    backendError = Signal()
+
     ##  Starts the back-end plug-in.
     #
     #   This registers all the signal listeners and prepares for communication
@@ -289,6 +292,7 @@ class CuraEngineBackend(QObject, Backend):
 
         if job.isCancelled() or job.getError() or job.getResult() == StartSliceJob.StartJobResult.Error:
             self.backendStateChange.emit(BackendState.Error)
+            self.backendError.emit(job)
             return
 
         if job.getResult() == StartSliceJob.StartJobResult.MaterialIncompatible:
@@ -297,6 +301,7 @@ class CuraEngineBackend(QObject, Backend):
                                             "Unable to slice with the current material as it is incompatible with the selected machine or configuration."), title = catalog.i18nc("@info:title", "Unable to slice"))
                 self._error_message.show()
                 self.backendStateChange.emit(BackendState.Error)
+                self.backendError.emit(job)
             else:
                 self.backendStateChange.emit(BackendState.NotStarted)
             return
@@ -325,6 +330,7 @@ class CuraEngineBackend(QObject, Backend):
                                               title = catalog.i18nc("@info:title", "Unable to slice"))
                 self._error_message.show()
                 self.backendStateChange.emit(BackendState.Error)
+                self.backendError.emit(job)
             else:
                 self.backendStateChange.emit(BackendState.NotStarted)
             return
@@ -347,6 +353,7 @@ class CuraEngineBackend(QObject, Backend):
                                           title = catalog.i18nc("@info:title", "Unable to slice"))
             self._error_message.show()
             self.backendStateChange.emit(BackendState.Error)
+            self.backendError.emit(job)
             return
 
         if job.getResult() == StartSliceJob.StartJobResult.BuildPlateError:
@@ -355,6 +362,7 @@ class CuraEngineBackend(QObject, Backend):
                                               title = catalog.i18nc("@info:title", "Unable to slice"))
                 self._error_message.show()
                 self.backendStateChange.emit(BackendState.Error)
+                self.backendError.emit(job)
             else:
                 self.backendStateChange.emit(BackendState.NotStarted)
 
@@ -364,6 +372,7 @@ class CuraEngineBackend(QObject, Backend):
                                               title = catalog.i18nc("@info:title", "Unable to slice"))
                 self._error_message.show()
                 self.backendStateChange.emit(BackendState.Error)
+                self.backendError.emit(job)
             else:
                 self.backendStateChange.emit(BackendState.NotStarted)
             self._invokeSlice()

run_in_docker.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+Xvfb :1 -screen 0 1280x800x16 &
+export DISPLAY=:1.0
+python3 cura_app.py --headless