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https://github.com/Ultimaker/Cura.git
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Merge remote-tracking branch 'origin/CURA-12099_export-and-import-to-bambu-3mf' into CURA-12101_introduce-x1
This commit is contained in:
Erwan MATHIEU
commit
52be6f3d2d
57 changed files with 1145 additions and 283 deletions
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@ -1,19 +1,12 @@
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# Copyright (c) 2015-2022 Ultimaker B.V.
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# Copyright (c) 2015-2025 UltiMaker
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# Cura is released under the terms of the LGPLv3 or higher.
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import hashlib
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from io import StringIO
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import json
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import re
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import threading
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from typing import Optional, cast, List, Dict, Set, TYPE_CHECKING
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from typing import Optional, cast, List, Dict, Set
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if TYPE_CHECKING:
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from Settings.ExtruderStack import ExtruderStack
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from Machines.Models.ExtrudersModel import ExtrudersModel
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from UM.PluginRegistry import PluginRegistry
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from UM.Mesh.MeshWriter import MeshWriter
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from UM.Math.Vector import Vector
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@ -28,7 +21,9 @@ from UM.Settings.ContainerRegistry import ContainerRegistry
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from cura.CuraApplication import CuraApplication
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from cura.CuraPackageManager import CuraPackageManager
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from cura.Machines.Models.ExtrudersModel import ExtrudersModel
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from cura.Settings import CuraContainerStack
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from cura.Settings.ExtruderStack import ExtruderStack
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from cura.Utils.Threading import call_on_qt_thread
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from cura.Scene.CuraSceneNode import CuraSceneNode
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from cura.Snapshot import Snapshot
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@ -54,21 +49,15 @@ import UM.Application
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from .SettingsExportModel import SettingsExportModel
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from .SettingsExportGroup import SettingsExportGroup
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from .ThreeMFVariant import ThreeMFVariant
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from .Cura3mfVariant import Cura3mfVariant
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from .BambuLabVariant import BambuLabVariant
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from UM.i18n import i18nCatalog
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catalog = i18nCatalog("cura")
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MODEL_PATH = "3D/3dmodel.model"
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PACKAGE_METADATA_PATH = "Cura/packages.json"
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METADATA_PATH = "Metadata"
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THUMBNAIL_PATH = f"{METADATA_PATH}/thumbnail.png"
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THUMBNAIL_PATH_MULTIPLATE = f"{METADATA_PATH}/plate_1.png"
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THUMBNAIL_PATH_MULTIPLATE_SMALL = f"{METADATA_PATH}/plate_1_small.png"
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GCODE_PATH = f"{METADATA_PATH}/plate_1.gcode"
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GCODE_MD5_PATH = f"{GCODE_PATH}.md5"
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MODEL_SETTINGS_PATH = f"{METADATA_PATH}/model_settings.config"
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PLATE_DESC_PATH = f"{METADATA_PATH}/plate_1.json"
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SLICE_INFO_PATH = f"{METADATA_PATH}/slice_info.config"
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class ThreeMFWriter(MeshWriter):
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def __init__(self):
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@ -85,6 +74,12 @@ class ThreeMFWriter(MeshWriter):
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self._store_archive = False
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self._lock = threading.Lock()
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# Register available variants
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self._variants = {
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Cura3mfVariant(self).mime_type: Cura3mfVariant,
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BambuLabVariant(self).mime_type: BambuLabVariant
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}
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@staticmethod
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def _convertMatrixToString(matrix):
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result = ""
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@ -218,10 +213,23 @@ class ThreeMFWriter(MeshWriter):
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painter.end()
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def _getVariant(self, mime_type: str) -> ThreeMFVariant:
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"""Get the appropriate variant for the given MIME type.
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:param mime_type: The MIME type to get the variant for
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:return: An instance of the variant for the given MIME type
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"""
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variant_class = self._variants.get(mime_type, Cura3mfVariant)
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return variant_class(self)
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def write(self, stream, nodes, mode = MeshWriter.OutputMode.BinaryMode, export_settings_model = None, **kwargs) -> bool:
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self._archive = None # Reset archive
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archive = zipfile.ZipFile(stream, "w", compression = zipfile.ZIP_DEFLATED)
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add_extra_data = kwargs.get("mime_type", "") == "application/vnd.bambulab-package.3dmanufacturing-3dmodel+xml"
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# Determine which variant to use based on mime type in kwargs
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mime_type = kwargs.get("mime_type", Cura3mfVariant(self).mime_type)
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variant = self._getVariant(mime_type)
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try:
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model_file = zipfile.ZipInfo(MODEL_PATH)
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# Because zipfile is stupid and ignores archive-level compression settings when writing with ZipInfo.
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@ -241,11 +249,12 @@ class ThreeMFWriter(MeshWriter):
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# Create Metadata/_rels/model_settings.config.rels
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metadata_relations_element = self._makeRelationsTree()
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if add_extra_data:
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self._storeGCode(archive, metadata_relations_element)
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self._storeModelSettings(archive)
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self._storePlateDesc(archive)
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self._storeSliceInfo(archive)
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# Let the variant add its specific files
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variant.add_extra_files(archive, metadata_relations_element)
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# Let the variant prepare content types and relations
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variant.prepare_content_types(content_types)
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variant.prepare_relations(relations_element)
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# Attempt to add a thumbnail
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snapshot = self._createSnapshot()
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@ -261,32 +270,8 @@ class ThreeMFWriter(MeshWriter):
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# Add PNG to content types file
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thumbnail_type = ET.SubElement(content_types, "Default", Extension="png", ContentType="image/png")
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if add_extra_data:
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archive.writestr(zipfile.ZipInfo(THUMBNAIL_PATH_MULTIPLATE), thumbnail_buffer.data())
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extra_thumbnail_relation_element = ET.SubElement(relations_element, "Relationship",
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Target="/" + THUMBNAIL_PATH_MULTIPLATE, Id="rel-2",
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Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail")
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extra_thumbnail_relation_element_duplicate = ET.SubElement(relations_element, "Relationship",
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Target="/" + THUMBNAIL_PATH_MULTIPLATE, Id="rel-4",
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Type="http://schemas.bambulab.com/package/2021/cover-thumbnail-middle")
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small_snapshot = snapshot.scaled(128, 128, transformMode = Qt.TransformationMode.SmoothTransformation)
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small_thumbnail_buffer = QBuffer()
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small_thumbnail_buffer.open(QBuffer.OpenModeFlag.ReadWrite)
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small_snapshot.save(small_thumbnail_buffer, "PNG")
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archive.writestr(zipfile.ZipInfo(THUMBNAIL_PATH_MULTIPLATE_SMALL), small_thumbnail_buffer.data())
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thumbnail_small_relation_element = ET.SubElement(relations_element, "Relationship",
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Target="/" + THUMBNAIL_PATH_MULTIPLATE_SMALL, Id="rel-5",
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Type="http://schemas.bambulab.com/package/2021/cover-thumbnail-small")
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else:
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thumbnail_file = zipfile.ZipInfo(THUMBNAIL_PATH)
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# Don't try to compress snapshot file, because the PNG is pretty much as compact as it will get
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archive.writestr(thumbnail_file, thumbnail_buffer.data())
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# Add thumbnail relation to _rels/.rels file
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thumbnail_relation_element = ET.SubElement(relations_element, "Relationship",
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Target="/" + THUMBNAIL_PATH, Id="rel1",
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Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail")
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# Let the variant process the thumbnail
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variant.process_thumbnail(snapshot, thumbnail_buffer, archive, relations_element)
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# Write material metadata
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packages_metadata = self._getMaterialPackageMetadata() + self._getPluginPackageMetadata()
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@ -371,94 +356,6 @@ class ThreeMFWriter(MeshWriter):
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file.compress_type = zipfile.ZIP_DEFLATED
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archive.writestr(file, b'<?xml version="1.0" encoding="UTF-8"?> \n' + ET.tostring(root_element))
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def _storeGCode(self, archive: zipfile.ZipFile, metadata_relations_element: ET.Element):
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gcode_textio = StringIO() # We have to convert the g-code into bytes.
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gcode_writer = cast(MeshWriter, PluginRegistry.getInstance().getPluginObject("GCodeWriter"))
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success = gcode_writer.write(gcode_textio, None)
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if not success:
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error_msg = catalog.i18nc("@info:error", "Can't write GCode to 3MF file")
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self.setInformation(error_msg)
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Logger.error(error_msg)
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raise Exception(error_msg)
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gcode_data = gcode_textio.getvalue().encode("UTF-8")
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archive.writestr(zipfile.ZipInfo(GCODE_PATH), gcode_data)
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gcode_relation_element = ET.SubElement(metadata_relations_element, "Relationship",
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Target=f"/{GCODE_PATH}", Id="rel-1",
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Type="http://schemas.bambulab.com/package/2021/gcode")
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# Calculate and store the MD5 sum of the gcode data
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md5_hash = hashlib.md5(gcode_data).hexdigest()
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archive.writestr(zipfile.ZipInfo(GCODE_MD5_PATH), md5_hash.encode("UTF-8"))
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def _storeModelSettings(self, archive: zipfile.ZipFile):
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config = ET.Element("config")
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plate = ET.SubElement(config, "plate")
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plater_id = ET.SubElement(plate, "metadata", key="plater_id", value="1")
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plater_id = ET.SubElement(plate, "metadata", key="plater_name", value="")
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plater_id = ET.SubElement(plate, "metadata", key="locked", value="false")
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plater_id = ET.SubElement(plate, "metadata", key="filament_map_mode", value="Auto For Flush")
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extruders_count = len(CuraApplication.getInstance().getExtruderManager().extruderIds)
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plater_id = ET.SubElement(plate, "metadata", key="filament_maps", value=" ".join("1" for _ in range(extruders_count)))
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plater_id = ET.SubElement(plate, "metadata", key="gcode_file", value=GCODE_PATH)
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plater_id = ET.SubElement(plate, "metadata", key="thumbnail_file", value=THUMBNAIL_PATH_MULTIPLATE)
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plater_id = ET.SubElement(plate, "metadata", key="pattern_bbox_file", value=PLATE_DESC_PATH)
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self._storeElementTree(archive, MODEL_SETTINGS_PATH, config)
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def _storePlateDesc(self, archive: zipfile.ZipFile):
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plate_desc = {}
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filament_ids = []
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filament_colors = []
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for extruder in CuraApplication.getInstance().getExtruderManager().getUsedExtruderStacks():
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filament_ids.append(extruder.getValue("extruder_nr"))
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filament_colors.append(self._getMaterialColor(extruder))
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plate_desc["filament_ids"] = filament_ids
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plate_desc["filament_colors"] = filament_colors
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plate_desc["first_extruder"] = CuraApplication.getInstance().getExtruderManager().getInitialExtruderNr()
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plate_desc["is_seq_print"] = Application.getInstance().getGlobalContainerStack().getValue("print_sequence") == "one_at_a_time"
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plate_desc["nozzle_diameter"] = CuraApplication.getInstance().getExtruderManager().getActiveExtruderStack().getValue("machine_nozzle_size")
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plate_desc["version"] = 2
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file = zipfile.ZipInfo(PLATE_DESC_PATH)
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file.compress_type = zipfile.ZIP_DEFLATED
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archive.writestr(file, json.dumps(plate_desc).encode("UTF-8"))
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def _storeSliceInfo(self, archive: zipfile.ZipFile):
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config = ET.Element("config")
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header = ET.SubElement(config, "header")
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header_type = ET.SubElement(header, "header_item", key="X-BBL-Client-Type", value="slicer")
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header_version = ET.SubElement(header, "header_item", key="X-BBL-Client-Version", value="02.00.01.50")
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plate = ET.SubElement(config, "plate")
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index = ET.SubElement(plate, "metadata", key="index", value="1")
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nozzle_diameter = ET.SubElement(plate,
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"metadata",
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key="nozzle_diameters",
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value=str(CuraApplication.getInstance().getExtruderManager().getActiveExtruderStack().getValue("machine_nozzle_size")))
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print_information = CuraApplication.getInstance().getPrintInformation()
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for index, extruder in enumerate(Application.getInstance().getGlobalContainerStack().extruderList):
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used_m = print_information.materialLengths[index]
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used_g = print_information.materialWeights[index]
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if used_m > 0.0 and used_g > 0.0:
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filament = ET.SubElement(plate,
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"filament",
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id=str(extruder.getValue("extruder_nr") + 1),
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tray_info_idx="GFA00",
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type=extruder.material.getMetaDataEntry("material", ""),
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color=self._getMaterialColor(extruder),
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used_m=str(used_m),
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used_g=str(used_g))
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self._storeElementTree(archive, SLICE_INFO_PATH, config)
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def _makeRelationsTree(self):
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return ET.Element("Relationships", xmlns=self._namespaces["relationships"])
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