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Merge pull request #7727 from SomberNight/202203_qtcamera_preferences_crash
qt gui: (maybe fix) opening "Preferences" segfaults on macOS for some
patch-4
ghost43
3 years ago
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electrum/gui/qt/__init__.py
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@ -42,6 +42,14 @@ from PyQt5.QtWidgets import (QApplication, QSystemTrayIcon, QWidget, QMenu, |
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from PyQt5.QtCore import QObject, pyqtSignal, QTimer, Qt |
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import PyQt5.QtCore as QtCore |
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try: |
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# Preload QtMultimedia at app start, if available. |
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# We use QtMultimedia on some platforms for camera-handling, and |
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# lazy-loading it later led to some crashes. Maybe due to bugs in PyQt5. (see #7725) |
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from PyQt5.QtMultimedia import QCameraInfo; del QCameraInfo |
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except ImportError as e: |
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pass # failure is ok; it is an optional dependency. |
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from electrum.i18n import _, set_language |
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from electrum.plugin import run_hook |
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from electrum.base_wizard import GoBack |
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