py-sync-comm-libs/env/Lib/site-packages/PyInstaller/hooks/rthooks/pyi_rth_pyqt5.py
2024-04-25 09:12:48 +08:00

69 lines
3.5 KiB
Python

#-----------------------------------------------------------------------------
# Copyright (c) 2014-2023, PyInstaller Development Team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#
# SPDX-License-Identifier: Apache-2.0
#-----------------------------------------------------------------------------
# The path to Qt's components may not default to the wheel layout for self-compiled PyQt5 installations. Mandate the
# wheel layout. See ``utils/hooks/qt.py`` for more details.
def _pyi_rthook():
import os
import sys
from _pyi_rth_utils import is_macos_app_bundle, prepend_path_to_environment_variable
from _pyi_rth_utils import qt as qt_rth_utils
# Ensure this is the only Qt bindings package in the application.
qt_rth_utils.ensure_single_qt_bindings_package("PyQt5")
# Try PyQt5 5.15.4-style path first...
pyqt_path = os.path.join(sys._MEIPASS, 'PyQt5', 'Qt5')
if not os.path.isdir(pyqt_path):
# ... and fall back to the older version
pyqt_path = os.path.join(sys._MEIPASS, 'PyQt5', 'Qt')
os.environ['QT_PLUGIN_PATH'] = os.path.join(pyqt_path, 'plugins')
if is_macos_app_bundle:
# Special handling for macOS .app bundles. To satisfy codesign requirements, we are forced to split `qml`
# directory into two parts; one that keeps only binaries (rooted in `Contents/Frameworks`) and one that keeps
# only data files (rooted in `Contents/Resources), with files from one directory tree being symlinked to the
# other to maintain illusion of a single mixed-content directory. As Qt seems to compute the identifier of its
# QML components based on location of the `qmldir` file w.r.t. the registered QML import paths, we need to
# register both paths, because the `qmldir` file for a component could be reached via either directory tree.
pyqt_path_res = os.path.normpath(
os.path.join(sys._MEIPASS, '..', 'Resources', os.path.relpath(pyqt_path, sys._MEIPASS))
)
os.environ['QML2_IMPORT_PATH'] = os.pathsep.join([
os.path.join(pyqt_path_res, 'qml'),
os.path.join(pyqt_path, 'qml'),
])
else:
os.environ['QML2_IMPORT_PATH'] = os.path.join(pyqt_path, 'qml')
# Back in the day, this was required because PyQt5 5.12.3 explicitly checked that `Qt5Core.dll` was in `PATH`
# (see #4293), and contemporary PyInstaller versions collected that DLL to `sys._MEIPASS`.
#
# Nowadays, we add `sys._MEIPASS` to `PATH` in order to ensure that `QtNetwork` can discover OpenSSL DLLs that might
# have been collected there (i.e., when they were not shipped with the package, and were collected from an external
# location).
if sys.platform.startswith('win'):
prepend_path_to_environment_variable(sys._MEIPASS, 'PATH')
# Qt bindings package installed via PyPI wheels typically ensures that its bundled Qt is relocatable, by creating
# embedded `qt.conf` file during its initialization. This run-time generated qt.conf dynamically sets the Qt prefix
# path to the package's Qt directory. For bindings packages that do not create embedded `qt.conf` during their
# initialization (for example, conda-installed packages), try to perform this step ourselves.
qt_rth_utils.create_embedded_qt_conf("PyQt5", pyqt_path)
_pyi_rthook()
del _pyi_rthook