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STAR-322: Extracting file handler methods
This commit is contained in:
Daniel Schiavini
parent
3c5e74a72c
commit
d99e2d1533
3 changed files with 83 additions and 106 deletions
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@ -1,8 +1,72 @@
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# Copyright (c) 2018 Ultimaker B.V.
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# Cura is released under the terms of the LGPLv3 or higher.
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from typing import Optional, Dict, Union
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from UM.FileHandler.FileHandler import FileHandler
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from UM.FileHandler.FileWriter import FileWriter
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from UM.Logger import Logger
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from UM.OutputDevice import OutputDeviceError # To show that something went wrong when writing.
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from UM.Version import Version # To check against firmware versions for support.
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from UM.i18n import i18nCatalog
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from cura.CuraApplication import CuraApplication
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from cura.PrinterOutput.NetworkedPrinterOutputDevice import NetworkedPrinterOutputDevice
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## this is the base class for the UM3 output devices (via connect or cloud)
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## Class that contains all the translations for this module.
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class T:
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# The translation catalog for this device.
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_I18N_CATALOG = i18nCatalog("cura")
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NO_FORMATS_AVAILABLE = _I18N_CATALOG.i18nc("@info:status", "There are no file formats available to write with!")
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## This is the base class for the UM3 output devices (via connect or cloud)
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class BaseCuraConnectDevice(NetworkedPrinterOutputDevice):
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pass
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## Gets the default file handler
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@property
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def defaultFileHandler(self) -> FileHandler:
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return CuraApplication.getInstance().getMeshFileHandler()
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## Chooses the preferred file format for the given file handler.
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# \param file_handler: The file handler.
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# \return A dict with the file format details, with format:
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# {id: str, extension: str, description: str, mime_type: str, mode: int, hide_in_file_dialog: bool}
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def _getPreferredFormat(self, file_handler: Optional[FileHandler]) -> Optional[Dict[str, Union[str, int, bool]]]:
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# Formats supported by this application (file types that we can actually write).
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application = CuraApplication.getInstance()
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file_handler = file_handler or self.defaultFileHandler
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file_formats = file_handler.getSupportedFileTypesWrite()
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global_stack = application.getGlobalContainerStack()
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# Create a list from the supported file formats string.
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if not global_stack:
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Logger.log("e", "Missing global stack!")
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return
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machine_file_formats = global_stack.getMetaDataEntry("file_formats").split(";")
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machine_file_formats = [file_type.strip() for file_type in machine_file_formats]
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# Exception for UM3 firmware version >=4.4: UFP is now supported and should be the preferred file format.
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if "application/x-ufp" not in machine_file_formats and Version(self.firmwareVersion) >= Version("4.4"):
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machine_file_formats = ["application/x-ufp"] + machine_file_formats
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# Take the intersection between file_formats and machine_file_formats.
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format_by_mimetype = {f["mime_type"]: f for f in file_formats}
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# Keep them ordered according to the preference in machine_file_formats.
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file_formats = [format_by_mimetype[mimetype] for mimetype in machine_file_formats]
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if len(file_formats) == 0:
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Logger.log("e", "There are no file formats available to write with!")
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raise OutputDeviceError.WriteRequestFailedError(T.NO_FORMATS_AVAILABLE)
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return file_formats[0]
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## Gets the file writer for the given file handler and mime type.
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# \param file_handler: The file handler.
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# \param mime_type: The mine type.
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# \return A file writer.
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def _getWriter(self, file_handler: Optional[FileHandler], mime_type: str) -> Optional[FileWriter]:
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# Just take the first file format available.
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file_handler = file_handler or self.defaultFileHandler
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return file_handler.getWriterByMimeType(mime_type)
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@ -2,9 +2,8 @@
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# Cura is released under the terms of the LGPLv3 or higher.
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import io
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import os
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from datetime import datetime, timedelta
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from time import time
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from typing import List, Optional, Dict, cast, Union, Set
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from typing import List, Optional, Dict, Union, Set
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from PyQt5.QtCore import QObject, pyqtSignal, QUrl, pyqtProperty, pyqtSlot
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@ -13,9 +12,7 @@ from UM.FileHandler.FileWriter import FileWriter
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from UM.FileHandler.FileHandler import FileHandler
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from UM.Logger import Logger
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from UM.Message import Message
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from UM.OutputDevice import OutputDeviceError
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from UM.Scene.SceneNode import SceneNode
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from UM.Version import Version
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from cura.CuraApplication import CuraApplication
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from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
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from cura.PrinterOutput.MaterialOutputModel import MaterialOutputModel
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@ -45,7 +42,6 @@ class T:
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"the previous print job.")
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COULD_NOT_EXPORT = _I18N_CATALOG.i18nc("@info:status", "Could not export print job.")
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WRITE_FAILED = _I18N_CATALOG.i18nc("@info:status", "There are no file formats available to write with!")
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SENDING_DATA_TEXT = _I18N_CATALOG.i18nc("@info:status", "Sending data to remote cluster")
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SENDING_DATA_TITLE = _I18N_CATALOG.i18nc("@info:status", "Sending data to remote cluster")
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@ -69,7 +65,7 @@ class CloudOutputDevice(BaseCuraConnectDevice):
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CHECK_CLUSTER_INTERVAL = 2.0 # seconds
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# Signal triggered when the printers in the remote cluster were changed.
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printersChanged = pyqtSignal()
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clusterPrintersChanged = pyqtSignal()
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# Signal triggered when the print jobs in the queue were changed.
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printJobsChanged = pyqtSignal()
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@ -122,8 +118,8 @@ class CloudOutputDevice(BaseCuraConnectDevice):
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self._sending_job = True
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self.writeStarted.emit(self)
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file_format = self._determineFileFormat(file_handler)
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writer = self._determineWriter(file_handler, file_format)
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file_format = self._getPreferredFormat(file_handler)
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writer = self._getWriter(file_handler, file_format["mime_type"])
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if not writer:
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Logger.log("e", "Missing file or mesh writer!")
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return self._onUploadError(T.COULD_NOT_EXPORT)
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@ -134,56 +130,8 @@ class CloudOutputDevice(BaseCuraConnectDevice):
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# TODO: Remove extension from the file name, since we are using content types now
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self._sendPrintJob(file_name + "." + file_format["extension"], file_format["mime_type"], stream)
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# TODO: This is yanked right out of ClusterUM3OutputDevice, great candidate for a utility or base class
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def _determineFileFormat(self, file_handler) -> Optional[Dict[str, Union[str, int]]]:
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# Formats supported by this application (file types that we can actually write).
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if file_handler:
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file_formats = file_handler.getSupportedFileTypesWrite()
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else:
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file_formats = CuraApplication.getInstance().getMeshFileHandler().getSupportedFileTypesWrite()
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global_stack = CuraApplication.getInstance().getGlobalContainerStack()
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# Create a list from the supported file formats string.
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if not global_stack:
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Logger.log("e", "Missing global stack!")
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return
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machine_file_formats = global_stack.getMetaDataEntry("file_formats").split(";")
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machine_file_formats = [file_type.strip() for file_type in machine_file_formats]
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# Exception for UM3 firmware version >=4.4: UFP is now supported and should be the preferred file format.
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if "application/x-ufp" not in machine_file_formats and Version(self.firmwareVersion) >= Version("4.4"):
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machine_file_formats = ["application/x-ufp"] + machine_file_formats
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# Take the intersection between file_formats and machine_file_formats.
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format_by_mimetype = {f["mime_type"]: f for f in file_formats}
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# Keep them ordered according to the preference in machine_file_formats.
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file_formats = [format_by_mimetype[mimetype] for mimetype in machine_file_formats]
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if len(file_formats) == 0:
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Logger.log("e", "There are no file formats available to write with!")
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raise OutputDeviceError.WriteRequestFailedError(T.WRITE_FAILED)
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return file_formats[0]
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# TODO: This is yanked right out of ClusterUM3OutputDevice, great candidate for a utility or base class
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@staticmethod
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def _determineWriter(file_handler, file_format) -> Optional[FileWriter]:
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# Just take the first file format available.
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if file_handler is not None:
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writer = file_handler.getWriterByMimeType(cast(str, file_format["mime_type"]))
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else:
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writer = CuraApplication.getInstance().getMeshFileHandler().getWriterByMimeType(
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cast(str, file_format["mime_type"])
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)
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if not writer:
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Logger.log("e", "Unexpected error when trying to get the FileWriter")
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return
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return writer
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## Get remote printers.
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@pyqtProperty("QVariantList", notify = printersChanged)
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@pyqtProperty("QVariantList", notify = clusterPrintersChanged)
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def printers(self):
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return self._printers
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@ -244,7 +192,7 @@ class CloudOutputDevice(BaseCuraConnectDevice):
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for printer_guid in updated_printer_ids:
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self._updatePrinter(current_printers[printer_guid], remote_printers[printer_guid])
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self.printersChanged.emit()
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self.clusterPrintersChanged.emit()
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def _addPrinter(self, printer: CloudClusterPrinter) -> None:
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model = PrinterOutputModel(
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@ -409,7 +357,7 @@ class CloudOutputDevice(BaseCuraConnectDevice):
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## TODO: The following methods are required by the monitor page QML, but are not actually available using cloud.
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# TODO: We fake the methods here to not break the monitor page.
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@pyqtProperty(QObject, notify = printersChanged)
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@pyqtProperty(QObject, notify = clusterPrintersChanged)
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def activePrinter(self) -> Optional[PrinterOutputModel]:
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if not self._printers:
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return None
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@ -419,7 +367,7 @@ class CloudOutputDevice(BaseCuraConnectDevice):
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def setActivePrinter(self, printer: Optional[PrinterOutputModel]) -> None:
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pass
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@pyqtProperty(QUrl, notify = printersChanged)
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@pyqtProperty(QUrl, notify = clusterPrintersChanged)
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def activeCameraUrl(self) -> "QUrl":
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return QUrl()
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@ -18,14 +18,12 @@ from UM.i18n import i18nCatalog
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from UM.Message import Message
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from UM.Qt.Duration import Duration, DurationFormat
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from UM.OutputDevice import OutputDeviceError # To show that something went wrong when writing.
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from UM.Scene.SceneNode import SceneNode # For typing.
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from UM.Version import Version # To check against firmware versions for support.
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from cura.CuraApplication import CuraApplication
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from cura.PrinterOutput.ConfigurationModel import ConfigurationModel
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from cura.PrinterOutput.ExtruderConfigurationModel import ExtruderConfigurationModel
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from cura.PrinterOutput.NetworkedPrinterOutputDevice import NetworkedPrinterOutputDevice, AuthState
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from cura.PrinterOutput.NetworkedPrinterOutputDevice import AuthState
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from cura.PrinterOutput.PrinterOutputModel import PrinterOutputModel
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from cura.PrinterOutput.MaterialOutputModel import MaterialOutputModel
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from plugins.UM3NetworkPrinting.src.BaseCuraConnectDevice import BaseCuraConnectDevice
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@ -50,7 +48,7 @@ class ClusterUM3OutputDevice(BaseCuraConnectDevice):
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# This is a bit of a hack, as the notify can only use signals that are defined by the class that they are in.
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# Inheritance doesn't seem to work. Tying them together does work, but i'm open for better suggestions.
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clusterPrintersChanged = pyqtSignal()
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_clusterPrintersChanged = pyqtSignal()
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def __init__(self, device_id, address, properties, parent = None) -> None:
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super().__init__(device_id = device_id, address = address, properties=properties, parent = parent)
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@ -66,7 +64,7 @@ class ClusterUM3OutputDevice(BaseCuraConnectDevice):
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self._monitor_view_qml_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "../resources/qml/ClusterMonitorItem.qml")
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# See comments about this hack with the clusterPrintersChanged signal
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self.printersChanged.connect(self.clusterPrintersChanged)
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self.printersChanged.connect(self._clusterPrintersChanged)
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self._accepts_commands = True # type: bool
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@ -99,47 +97,14 @@ class ClusterUM3OutputDevice(BaseCuraConnectDevice):
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self._active_camera_url = QUrl() # type: QUrl
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def requestWrite(self, nodes: List[SceneNode], file_name: Optional[str] = None, limit_mimetypes: bool = False, file_handler: Optional[FileHandler] = None, **kwargs: str) -> None:
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def requestWrite(self, nodes: List[SceneNode], file_name: Optional[str] = None, limit_mimetypes: bool = False,
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file_handler: Optional[FileHandler] = None, **kwargs: str) -> None:
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self.writeStarted.emit(self)
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self.sendMaterialProfiles()
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# Formats supported by this application (file types that we can actually write).
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if file_handler:
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file_formats = file_handler.getSupportedFileTypesWrite()
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else:
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file_formats = CuraApplication.getInstance().getMeshFileHandler().getSupportedFileTypesWrite()
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global_stack = CuraApplication.getInstance().getGlobalContainerStack()
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# Create a list from the supported file formats string.
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if not global_stack:
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Logger.log("e", "Missing global stack!")
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return
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machine_file_formats = global_stack.getMetaDataEntry("file_formats").split(";")
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machine_file_formats = [file_type.strip() for file_type in machine_file_formats]
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# Exception for UM3 firmware version >=4.4: UFP is now supported and should be the preferred file format.
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if "application/x-ufp" not in machine_file_formats and Version(self.firmwareVersion) >= Version("4.4"):
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machine_file_formats = ["application/x-ufp"] + machine_file_formats
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# Take the intersection between file_formats and machine_file_formats.
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format_by_mimetype = {format["mime_type"]: format for format in file_formats}
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file_formats = [format_by_mimetype[mimetype] for mimetype in machine_file_formats] #Keep them ordered according to the preference in machine_file_formats.
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if len(file_formats) == 0:
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Logger.log("e", "There are no file formats available to write with!")
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raise OutputDeviceError.WriteRequestFailedError(i18n_catalog.i18nc("@info:status", "There are no file formats available to write with!"))
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preferred_format = file_formats[0]
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# Just take the first file format available.
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if file_handler is not None:
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writer = file_handler.getWriterByMimeType(cast(str, preferred_format["mime_type"]))
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else:
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writer = CuraApplication.getInstance().getMeshFileHandler().getWriterByMimeType(cast(str, preferred_format["mime_type"]))
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if not writer:
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Logger.log("e", "Unexpected error when trying to get the FileWriter")
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return
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preferred_format = self._getPreferredFormat(file_handler)
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writer = self._getWriter(file_handler, preferred_format["mime_type"])
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# This function pauses with the yield, waiting on instructions on which printer it needs to print with.
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if not writer:
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@ -355,7 +320,7 @@ class ClusterUM3OutputDevice(BaseCuraConnectDevice):
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def activePrintJobs(self) -> List[UM3PrintJobOutputModel]:
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return [print_job for print_job in self._print_jobs if print_job.assignedPrinter is not None and print_job.state != "queued"]
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@pyqtProperty("QVariantList", notify = clusterPrintersChanged)
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@pyqtProperty("QVariantList", notify = _clusterPrintersChanged)
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def connectedPrintersTypeCount(self) -> List[Dict[str, str]]:
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printer_count = {} # type: Dict[str, int]
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for printer in self._printers:
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@ -368,7 +333,7 @@ class ClusterUM3OutputDevice(BaseCuraConnectDevice):
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result.append({"machine_type": machine_type, "count": str(printer_count[machine_type])})
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return result
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@pyqtProperty("QVariantList", notify=clusterPrintersChanged)
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@pyqtProperty("QVariantList", notify=_clusterPrintersChanged)
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def printers(self):
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return self._printers
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