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several instances need to be created. - In the ThreeMFWorkspaceReader we need to create some temporal instances of Preferences that makes it not singleton anymore. - The current preferences are kept in the Application class and so all the calls to the preferences are changed to get the preferences from Application. - The method getInstance in Preferences is kept as deprecated since some external plugins.
64 lines
3.0 KiB
Python
64 lines
3.0 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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from PyQt5.QtCore import QUrl
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from PyQt5.QtGui import QDesktopServices
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from UM.Extension import Extension
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from UM.Application import Application
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from UM.i18n import i18nCatalog
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from cura.Settings.GlobalStack import GlobalStack
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from .FirmwareUpdateCheckerJob import FirmwareUpdateCheckerJob
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from UM.Settings.ContainerRegistry import ContainerRegistry
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i18n_catalog = i18nCatalog("cura")
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## This Extension checks for new versions of the firmware based on the latest checked version number.
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# The plugin is currently only usable for applications maintained by Ultimaker. But it should be relatively easy
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# to change it to work for other applications.
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class FirmwareUpdateChecker(Extension):
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JEDI_VERSION_URL = "http://software.ultimaker.com/jedi/releases/latest.version?utm_source=cura&utm_medium=software&utm_campaign=resources"
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def __init__(self):
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super().__init__()
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# Initialize the Preference called `latest_checked_firmware` that stores the last version
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# checked for the UM3. In the future if we need to check other printers' firmware
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Application.getInstance().getPreferences().addPreference("info/latest_checked_firmware", "")
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# Listen to a Signal that indicates a change in the list of printers, just if the user has enabled the
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# 'check for updates' option
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Application.getInstance().getPreferences().addPreference("info/automatic_update_check", True)
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if Application.getInstance().getPreferences().getValue("info/automatic_update_check"):
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ContainerRegistry.getInstance().containerAdded.connect(self._onContainerAdded)
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self._download_url = None
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## Callback for the message that is spawned when there is a new version.
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def _onActionTriggered(self, message, action):
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if action == "download":
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if self._download_url is not None:
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QDesktopServices.openUrl(QUrl(self._download_url))
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def _onSetDownloadUrl(self, download_url):
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self._download_url = download_url
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def _onContainerAdded(self, container):
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# Only take care when a new GlobalStack was added
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if isinstance(container, GlobalStack):
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self.checkFirmwareVersion(container, True)
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## Connect with software.ultimaker.com, load latest.version and check version info.
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# If the version info is different from the current version, spawn a message to
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# allow the user to download it.
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#
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# \param silent type(boolean) Suppresses messages other than "new version found" messages.
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# This is used when checking for a new firmware version at startup.
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def checkFirmwareVersion(self, container = None, silent = False):
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job = FirmwareUpdateCheckerJob(container = container, silent = silent, url = self.JEDI_VERSION_URL,
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callback = self._onActionTriggered,
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set_download_url_callback = self._onSetDownloadUrl)
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job.start()
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