Qt.py 文件源码

def _pyside2():
    """Initialise PySide2

    These functions serve to test the existence of a binding
    along with set it up in such a way that it aligns with
    the final step; adding members from the original binding
    to Qt.py

    """

    import PySide2 as module
    _setup(module, ["QtUiTools"])

    Qt.__binding_version__ = module.__version__

    try:
        try:
            # Before merge of PySide and shiboken
            import shiboken2
        except ImportError:
            # After merge of PySide and shiboken, May 2017
            from PySide2 import shiboken2

        Qt.QtCompat.wrapInstance = (
            lambda ptr, base=None: _wrapinstance(
                shiboken2.wrapInstance, ptr, base)
        )
        Qt.QtCompat.getCppPointer = lambda object: \
            shiboken2.getCppPointer(object)[0]

    except ImportError:
        pass  # Optional

    if hasattr(Qt, "_QtUiTools"):
        Qt.QtCompat.loadUi = _loadUi

    if hasattr(Qt, "_QtCore"):
        Qt.__qt_version__ = Qt._QtCore.qVersion()
        Qt.QtCompat.qInstallMessageHandler = _qInstallMessageHandler
        Qt.QtCompat.translate = Qt._QtCore.QCoreApplication.translate

    if hasattr(Qt, "_QtWidgets"):
        Qt.QtCompat.setSectionResizeMode = \
            Qt._QtWidgets.QHeaderView.setSectionResizeMode

    _reassign_misplaced_members("PySide2")
    _build_compatibility_members("PySide2")