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71 lines
3 KiB
Python
71 lines
3 KiB
Python
from UM.Workspace.WorkspaceWriter import WorkspaceWriter
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from UM.Application import Application
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from UM.Preferences import Preferences
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from UM.Settings.ContainerRegistry import ContainerRegistry
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from cura.Settings.ExtruderManager import ExtruderManager
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import zipfile
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from io import StringIO
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class ThreeMFWorkspaceWriter(WorkspaceWriter):
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def __init__(self):
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super().__init__()
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def write(self, stream, nodes, mode=WorkspaceWriter.OutputMode.BinaryMode):
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mesh_writer = Application.getInstance().getMeshFileHandler().getWriter("3MFWriter")
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if not mesh_writer: # We need to have the 3mf mesh writer, otherwise we can't save the entire workspace
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return False
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# Indicate that the 3mf mesh writer should not close the archive just yet (we still need to add stuff to it).
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mesh_writer.setStoreArchive(True)
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mesh_writer.write(stream, nodes, mode)
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archive = mesh_writer.getArchive()
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global_container_stack = Application.getInstance().getGlobalContainerStack()
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# Add global container stack data to the archive.
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self._writeContainerToArchive(global_container_stack, archive)
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# Also write all containers in the stack to the file
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for container in global_container_stack.getContainers():
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self._writeContainerToArchive(container, archive)
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# Check if the machine has extruders and save all that data as well.
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for extruder_stack in ExtruderManager.getInstance().getMachineExtruders(global_container_stack.getId()):
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self._writeContainerToArchive(extruder_stack, archive)
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for container in extruder_stack.getContainers():
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self._writeContainerToArchive(container, archive)
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# Write preferences to archive
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preferences_file = zipfile.ZipInfo("Cura/preferences.cfg")
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preferences_string = StringIO()
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Preferences.getInstance().writeToFile(preferences_string)
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archive.writestr(preferences_file, preferences_string.getvalue())
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# Close the archive & reset states.
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archive.close()
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mesh_writer.setStoreArchive(False)
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return True
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@staticmethod
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def _writeContainerToArchive(container, archive):
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if type(container) == type(ContainerRegistry.getInstance().getEmptyInstanceContainer()):
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return # Empty file, do nothing.
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file_suffix = ContainerRegistry.getMimeTypeForContainer(type(container)).suffixes[0]
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# Some containers have a base file, which should then be the file to use.
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base_file = container.getMetaDataEntry("base_file", None)
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if base_file:
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container = ContainerRegistry.getInstance().findContainers(id = base_file)[0]
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file_name = "Cura/%s.%s" % (container.getId(), file_suffix)
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if file_name in archive.namelist():
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return # File was already saved, no need to do it again.
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file_in_archive = zipfile.ZipInfo(file_name)
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file_in_archive.compress_type = zipfile.ZIP_DEFLATED
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archive.writestr(file_in_archive, container.serialize())
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