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https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
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a4e37d9ae7
We simply cannot recover properly from things like an uncaught MemoryError since that usually means any follow up operation will also fail. So Instead of silently ignoring it and having the application in a broken state we properly abort. Right now the list of fatal exceptions is a bare minimum that contains the most prominent things we cannot recover from.
74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
import sys
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import platform
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import traceback
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import webbrowser
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from PyQt5.QtCore import QT_VERSION_STR, PYQT_VERSION_STR, QCoreApplication
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from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QVBoxLayout, QLabel, QTextEdit
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from UM.Logger import Logger
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from UM.i18n import i18nCatalog
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catalog = i18nCatalog("cura")
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# List of exceptions that should be considered "fatal" and abort the program.
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# These are primarily some exception types that we simply cannot really recover from
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# (MemoryError and SystemError) and exceptions that indicate grave errors in the
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# code that cause the Python interpreter to fail (SyntaxError, ImportError).
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fatal_exception_types = [
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MemoryError,
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SyntaxError,
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ImportError,
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SystemError,
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]
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def show(exception_type, value, tb):
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debug_mode = False
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if QCoreApplication.instance():
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debug_mode = QCoreApplication.instance().getCommandLineOption("debug-mode", False)
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Logger.log("c", "An uncaught exception has occurred!")
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for line in traceback.format_exception(exception_type, value, tb):
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for part in line.rstrip("\n").split("\n"):
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Logger.log("c", part)
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if not debug_mode and exception_type not in fatal_exception_types:
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return
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application = QCoreApplication.instance()
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if not application:
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sys.exit(1)
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dialog = QDialog()
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dialog.setWindowTitle(catalog.i18nc("@title:window", "Oops!"))
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layout = QVBoxLayout(dialog)
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label = QLabel(dialog)
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layout.addWidget(label)
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label.setText(catalog.i18nc("@label", "<p>A fatal exception has occurred that we could not recover from!</p><p>Please use the information below to post a bug report at <a href=\"http://github.com/Ultimaker/Cura/issues\">http://github.com/Ultimaker/Cura/issues</a></p>"))
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textarea = QTextEdit(dialog)
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layout.addWidget(textarea)
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try:
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from UM.Application import Application
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version = Application.getInstance().getVersion()
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except:
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version = "Unknown"
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trace = "".join(traceback.format_exception(exception_type, value, tb))
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crash_info = "Version: {0}\nPlatform: {1}\nQt: {2}\nPyQt: {3}\n\nException:\n{4}"
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crash_info = crash_info.format(version, platform.platform(), QT_VERSION_STR, PYQT_VERSION_STR, trace)
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textarea.setText(crash_info)
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buttons = QDialogButtonBox(QDialogButtonBox.Close, dialog)
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layout.addWidget(buttons)
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buttons.addButton(catalog.i18nc("@action:button", "Open Web Page"), QDialogButtonBox.HelpRole)
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buttons.rejected.connect(dialog.close)
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buttons.helpRequested.connect(lambda: webbrowser.open("http://github.com/Ultimaker/Cura/issues"))
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dialog.exec_()
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sys.exit(1)
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