- added qdarktheme package into the code

libs/qdarktheme/qtpy/QtCore/__init__.py

@@ -0,0 +1,19 @@
+"""Module for QtCore."""
+from libs.qdarktheme.qtpy.qt_compat import QT_API, qt_import_error
+
+if QT_API is None:
+    raise qt_import_error
+if QT_API == "PySide6":
+    from PySide6.QtCore import *  # type: ignore  # noqa: F403
+elif QT_API == "PyQt6":
+    from PyQt6.QtCore import *  # type: ignore  # noqa: F403
+
+    Slot = pyqtSlot  # noqa: F405
+    Signal = pyqtSignal  # noqa: F405
+elif QT_API == "PyQt5":
+    from PyQt5.QtCore import *  # type: ignore  # noqa: F403
+
+    Slot = pyqtSlot  # noqa: F405
+    Signal = pyqtSignal  # noqa: F405
+elif QT_API == "PySide2":
+    from PySide2.QtCore import *  # type: ignore  # noqa: F403

libs/qdarktheme/qtpy/QtGui/__init__.py

@@ -0,0 +1,20 @@
+"""Module for QtGui."""
+from libs.qdarktheme.qtpy.qt_compat import QT_API, qt_import_error
+
+if QT_API is None:
+    raise qt_import_error
+if QT_API == "PySide6":
+    from PySide6.QtGui import *  # type: ignore  # noqa: F403
+elif QT_API == "PyQt6":
+    from PyQt6.QtGui import *  # type: ignore  # noqa: F403
+elif QT_API == "PyQt5":
+    from PyQt5.QtGui import *  # type: ignore  # noqa: F403
+    from PyQt5.QtWidgets import QAction, QActionGroup, QShortcut  # type: ignore
+elif QT_API == "PySide2":
+    from PySide2.QtGui import *  # type: ignore  # noqa: F403
+    from PySide2.QtWidgets import QAction, QActionGroup, QShortcut  # type: ignore
+
+if QT_API in ["PyQt5", "PySide2"]:
+    QAction = QAction  # type: ignore  # noqa: SIM909
+    QActionGroup = QActionGroup  # type: ignore  # noqa: SIM909
+    QShortcut = QShortcut  # type: ignore  # noqa: SIM909

libs/qdarktheme/qtpy/QtSvg/__init__.py

@@ -0,0 +1,13 @@
+"""Module for QtSvg."""
+from libs.qdarktheme.qtpy.qt_compat import QT_API, qt_import_error
+
+if QT_API is None:
+    raise qt_import_error
+if QT_API == "PySide6":
+    from PySide6.QtSvg import *  # type: ignore  # noqa: F403
+elif QT_API == "PyQt6":
+    from PyQt6.QtSvg import *  # type: ignore  # noqa: F403
+elif QT_API == "PyQt5":
+    from PyQt5.QtSvg import *  # type: ignore  # noqa: F403
+elif QT_API == "PySide2":
+    from PySide2.QtSvg import *  # type: ignore  # noqa: F403

libs/qdarktheme/qtpy/QtWidgets/__init__.py

@@ -0,0 +1,50 @@
+"""Module for QtWidgets."""
+from __future__ import annotations
+
+from collections.abc import Sequence
+
+from libs.qdarktheme.qtpy.qt_compat import QT_API
+from libs.qdarktheme.qtpy.QtCore import Qt
+from libs.qdarktheme.qtpy.QtGui import QPalette
+
+if QT_API == "PySide6":
+    from PySide6.QtWidgets import *  # type: ignore  # noqa: F403
+elif QT_API == "PyQt6":
+    from PyQt6.QtWidgets import *  # type: ignore  # noqa: F403
+elif QT_API == "PyQt5":
+    from PyQt5.QtWidgets import *  # type: ignore # noqa: F403
+elif QT_API == "PySide2":
+    from PySide2.QtWidgets import *  # type: ignore  # noqa: F403
+
+
+class Application(QApplication):  # type: ignore  # noqa: F405
+    """Override QApplication."""
+
+    def __init__(self, args: Sequence[str] | None = None) -> None:
+        """Override QApplication method."""
+        super().__init__(args)
+
+    def exec(self) -> int:
+        """Override QApplication method."""
+        if hasattr(super(), "exec"):
+            return super().exec()
+        return super().exec_()
+
+    def exit(self, returnCode: int = 0) -> None:  # noqa: N803
+        """Override QApplication method."""
+        return super().exit(returnCode)
+
+    def setStyleSheet(self, sheet: str) -> None:  # noqa: N802
+        """Override QApplication method."""
+        return super().setStyleSheet(sheet)
+
+    def setAttribute(self, attribute: Qt.ApplicationAttribute, on: bool = True) -> None:  # noqa: N802
+        """Override QApplication method."""
+        super().setAttribute(attribute, on)
+
+    def setPalette(self, palette: QPalette, className: str | None = None) -> None:  # noqa: N802, N803
+        """Override QApplication method."""
+        super().setPalette(palette, className)
+
+
+QApplication = Application

libs/qdarktheme/qtpy/__init__.py

@@ -0,0 +1,11 @@
+"""Package applying Qt compat of PyQt6, PySide6, PyQt5 and PySide2."""
+from libs.qdarktheme.qtpy.qt_compat import QtImportError
+from libs.qdarktheme.qtpy.qt_version import __version__
+
+try:
+    from libs.qdarktheme.qtpy import QtCore, QtGui, QtSvg, QtWidgets
+except ImportError:
+    from libs.qdarktheme.util import get_logger as __get_logger
+
+    __logger = __get_logger(__name__)
+    __logger.warning("Failed to import QtCore, QtGui, QtSvg and QtWidgets.")

libs/qdarktheme/qtpy/qt_compat.py

@@ -0,0 +1,82 @@
+"""Module for Qt compat."""
+from __future__ import annotations
+
+import os
+import sys
+
+
+class QtImportError(ImportError):
+    """Error raise if no bindings could be selected."""
+
+    pass
+
+
+qt_import_error = QtImportError(
+    "Failed to import qt-binding. Check packages(pip list)."
+    "\n\tAvailable Qt-binding packages: PySide6, PyQt6, PyQt5, PySide2."
+)
+
+
+# Qt6
+_QT_API_PYSIDE6 = "PySide6"
+_QT_API_PYQT6 = "PyQt6"
+# Qt5
+_QT_API_PYQT5 = "PyQt5"
+_QT_API_PYSIDE2 = "PySide2"
+
+
+_API_LIST = [_QT_API_PYSIDE6, _QT_API_PYQT6, _QT_API_PYQT5, _QT_API_PYSIDE2]
+
+
+def _get_loaded_api() -> str | None:
+    """Return which API is loaded.
+
+    If this returns anything besides None,
+    importing any other Qt-binding is unsafe.
+    """
+    for api in _API_LIST:
+        if sys.modules.get(f"{api}.QtCore"):
+            return api
+    return None
+
+
+def _get_environ_api() -> str | None:
+    """Return which API is specified in environ."""
+    _qt_api_env = os.environ.get("QT_API")
+    if _qt_api_env is not None:
+        _qt_api_env = _qt_api_env.lower()
+
+    _env_to_module = {
+        "pyside6": _QT_API_PYSIDE6,
+        "pyqt6": _QT_API_PYQT6,
+        "pyqt5": _QT_API_PYQT5,
+        "pyside2": _QT_API_PYSIDE2,
+        None: None,
+    }
+    try:
+        return _env_to_module[_qt_api_env]
+    except KeyError:
+        raise KeyError(
+            "The environment variable QT_API has the unrecognized value "
+            f"{_qt_api_env!r}. "
+            f"Valid values are {[k for k in _env_to_module if k is not None]}"
+        ) from None
+
+
+def _get_installed_api() -> str | None:
+    """Return which API is installed."""
+    # Fix [AttributeError: module 'importlib' has no attribute 'util']
+    # See https://stackoverflow.com/a/39661116/13452582
+    from importlib import util
+
+    for api in _API_LIST:
+        if util.find_spec(api) is not None:
+            return api
+    return None
+
+
+QT_API = _get_loaded_api()
+if QT_API is None:
+    QT_API = _get_environ_api()
+if QT_API is None:
+    QT_API = _get_installed_api()

libs/qdarktheme/qtpy/qt_version.py

@@ -0,0 +1,18 @@
+"""Module for detecting Qt version."""
+from __future__ import annotations
+
+from libs.qdarktheme.qtpy.qt_compat import QT_API
+
+__version__: str | None = None
+if QT_API == "PySide6":
+    from PySide6 import __version__  # type: ignore
+elif QT_API == "PyQt6":
+    from PyQt6.QtCore import PYQT_VERSION_STR  # type: ignore
+
+    __version__ = PYQT_VERSION_STR
+elif QT_API == "PyQt5":
+    from PyQt5.QtCore import PYQT_VERSION_STR  # type: ignore
+
+    __version__ = PYQT_VERSION_STR
+elif QT_API == "PySide2":
+    from PySide2 import __version__  # type: ignore  # noqa: F401