ykcheungab
35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
"""Qt application bootstrap for Orisys example dashboards."""
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from __future__ import annotations
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import os
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import sys
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def fix_qt_plugin_path() -> None:
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"""OpenCV redirects Qt to cv2/qt/plugins; use PyQt5's plugins instead."""
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try:
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from PyQt5.QtCore import QLibraryInfo
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os.environ["QT_QPA_PLATFORM_PLUGIN_PATH"] = QLibraryInfo.location(
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QLibraryInfo.PluginsPath
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)
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except Exception:
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path = os.environ.get("QT_QPA_PLATFORM_PLUGIN_PATH", "")
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if "cv2" in path.replace("\\", "/"):
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os.environ.pop("QT_QPA_PLATFORM_PLUGIN_PATH", None)
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def get_or_create_qapp(app_name: str = "Orisys Finger Dashboard"):
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fix_qt_plugin_path()
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from PyQt5.QtCore import Qt
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from PyQt5.QtWidgets import QApplication
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QApplication.setAttribute(Qt.AA_EnableHighDpiScaling, True)
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QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps, True)
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app = QApplication.instance()
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if app is None:
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app = QApplication(sys.argv)
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app.setApplicationName(app_name)
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return app
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