mirror of
https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
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80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
# Copyright (c) 2017 Ultimaker B.V.
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# Cura is released under the terms of the LGPLv3 or higher.
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# Python built-ins
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import threading
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import time
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# Uranium/Messaging
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from UM.Logger import Logger
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# Uranium/IO
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from UM.OutputDevice.OutputDevicePlugin import OutputDevicePlugin
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from . import RemovableDriveOutputDevice
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# Uranium/l18n
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from UM.i18n import i18nCatalog
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catalog = i18nCatalog("cura")
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class RemovableDrivePlugin(OutputDevicePlugin):
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def __init__(self):
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super().__init__()
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self._update_thread = threading.Thread(target = self._updateThread)
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self._update_thread.daemon = True
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self._check_updates = True
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self._drives = {}
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def start(self):
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self._update_thread.start()
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def stop(self):
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self._check_updates = False
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self._update_thread.join()
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self._addRemoveDrives({})
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def checkRemovableDrives(self):
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raise NotImplementedError()
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def ejectDevice(self, device):
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try:
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Logger.log("i", "Attempting to eject the device")
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result = self.performEjectDevice(device)
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except Exception as e:
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Logger.log("e", "Ejection failed due to: %s" % str(e))
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result = False
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if result:
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Logger.log("i", "Successfully ejected the device")
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return result
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def performEjectDevice(self, device):
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raise NotImplementedError()
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def _updateThread(self):
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while self._check_updates:
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result = self.checkRemovableDrives()
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self._addRemoveDrives(result)
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time.sleep(5)
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def _addRemoveDrives(self, drives):
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# First, find and add all new or changed keys
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for key, value in drives.items():
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if key not in self._drives:
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self.getOutputDeviceManager().addOutputDevice(RemovableDriveOutputDevice.RemovableDriveOutputDevice(key, value))
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continue
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if self._drives[key] != value:
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self.getOutputDeviceManager().removeOutputDevice(key)
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self.getOutputDeviceManager().addOutputDevice(RemovableDriveOutputDevice.RemovableDriveOutputDevice(key, value))
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# Then check for keys that have been removed
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for key in self._drives.keys():
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if key not in drives:
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self.getOutputDeviceManager().removeOutputDevice(key)
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self._drives = drives
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