python类setapi()的实例源码

pyqt4pysideimporter.py 文件源码 项目:PortableApps.com-DevelopmentToolkit 作者: 3D1T0R 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def load_pyqt4():
    """Sets up PyQt4 nicely to be PySide-compatible as much as possible."""
    # Kill off QString and QVariant to make it act properly like PySide
    import sip
    sip.setapi('QString', 2)
    sip.setapi('QVariant', 2)

    from PyQt4 import QtCore
    QtCore._QT_ENGINE = 'PyQt4'

    # Also rename the pyqt things for compatibility.
    QtCore.Signal = QtCore.pyqtSignal
    QtCore.Slot = QtCore.pyqtSlot
    QtCore.Property = QtCore.pyqtProperty

    global IS_PYQT4
    IS_PYQT4 = True
pyqt4pysideimporter.py 文件源码 项目:PortableApps.com-DevelopmentToolkit 作者: 3D1T0R 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def autoselect():
    """Selects PySide or PyQt4."""

    try:
        # Don't want to import as we need to sip.setapi first
        imp.find_module('PyQt4')
    except ImportError:
        try:
            # Don't want to import two copies (as PySide and as PyQt4)
            imp.find_module('PySide')
        except ImportError:
            raise ImportError('Neither PySide nor PyQt4 is installed.')
        else:
            load_pyside()
    else:
        load_pyqt4()
    zip_imp.cleanup()
qt.py 文件源码 项目:cmt 作者: chadmv 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def _pyqt4():
    # Attempt to set sip API v2 (must be done prior to importing PyQt4)
    import sip
    try:
        sip.setapi("QString", 2)
        sip.setapi("QVariant", 2)
        sip.setapi("QDate", 2)
        sip.setapi("QDateTime", 2)
        sip.setapi("QTextStream", 2)
        sip.setapi("QTime", 2)
        sip.setapi("QUrl", 2)
    except AttributeError:
        raise ImportError
        # PyQt4 < v4.6
    except ValueError:
        # API version already set to v1
        raise ImportError

    import PyQt4.Qt

    # Remap
    PyQt4.QtWidgets = PyQt4.QtGui
    PyQt4.QtCore.Signal = PyQt4.QtCore.pyqtSignal
    PyQt4.QtCore.Slot = PyQt4.QtCore.pyqtSlot
    PyQt4.QtCore.Property = PyQt4.QtCore.pyqtProperty
    PyQt4.QtCore.QItemSelection = PyQt4.QtGui.QItemSelection
    PyQt4.QtCore.QItemSelectionModel = PyQt4.QtGui.QItemSelectionModel

    # Add
    PyQt4.__wrapper_version__ = __version__
    PyQt4.__binding__ = "PyQt4"
    PyQt4.__binding_version__ = PyQt4.QtCore.PYQT_VERSION_STR
    PyQt4.__qt_version__ = PyQt4.QtCore.QT_VERSION_STR
    PyQt4.load_ui = pyqt4_load_ui

    return PyQt4
qt_loaders.py 文件源码 项目:leetcode 作者: thomasyimgit 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def import_pyqt4(version=2):
    """
    Import PyQt4

    Parameters
    ----------
    version : 1, 2, or None
      Which QString/QVariant API to use. Set to None to use the system
      default

    ImportErrors rasied within this function are non-recoverable
    """
    # The new-style string API (version=2) automatically
    # converts QStrings to Unicode Python strings. Also, automatically unpacks
    # QVariants to their underlying objects.
    import sip

    if version is not None:
        sip.setapi('QString', version)
        sip.setapi('QVariant', version)

    from PyQt4 import QtGui, QtCore, QtSvg

    if not check_version(QtCore.PYQT_VERSION_STR, '4.7'):
        raise ImportError("IPython requires PyQt4 >= 4.7, found %s" %
                          QtCore.PYQT_VERSION_STR)

    # Alias PyQt-specific functions for PySide compatibility.
    QtCore.Signal = QtCore.pyqtSignal
    QtCore.Slot = QtCore.pyqtSlot

    # query for the API version (in case version == None)
    version = sip.getapi('QString')
    api = QT_API_PYQTv1 if version == 1 else QT_API_PYQT
    return QtCore, QtGui, QtSvg, api
qt_loaders.py 文件源码 项目:specto 作者: mrknow 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def import_pyqt4(version=2):
    """
    Import PyQt4

    Parameters
    ----------
    version : 1, 2, or None
      Which QString/QVariant API to use. Set to None to use the system
      default

    ImportErrors raised within this function are non-recoverable
    """
    # The new-style string API (version=2) automatically
    # converts QStrings to Unicode Python strings. Also, automatically unpacks
    # QVariants to their underlying objects.
    import sip

    if version is not None:
        sip.setapi('QString', version)
        sip.setapi('QVariant', version)

    from PyQt4 import QtGui, QtCore, QtSvg

    if not check_version(QtCore.PYQT_VERSION_STR, '4.7'):
        raise ImportError("IPython requires PyQt4 >= 4.7, found %s" %
                          QtCore.PYQT_VERSION_STR)

    # Alias PyQt-specific functions for PySide compatibility.
    QtCore.Signal = QtCore.pyqtSignal
    QtCore.Slot = QtCore.pyqtSlot

    # query for the API version (in case version == None)
    version = sip.getapi('QString')
    api = QT_API_PYQTv1 if version == 1 else QT_API_PYQT
    return QtCore, QtGui, QtSvg, api
qt_loaders.py 文件源码 项目:Repobot 作者: Desgard 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def import_pyqt4(version=2):
    """
    Import PyQt4

    Parameters
    ----------
    version : 1, 2, or None
      Which QString/QVariant API to use. Set to None to use the system
      default

    ImportErrors rasied within this function are non-recoverable
    """
    # The new-style string API (version=2) automatically
    # converts QStrings to Unicode Python strings. Also, automatically unpacks
    # QVariants to their underlying objects.
    import sip

    if version is not None:
        sip.setapi('QString', version)
        sip.setapi('QVariant', version)

    from PyQt4 import QtGui, QtCore, QtSvg

    if not check_version(QtCore.PYQT_VERSION_STR, '4.7'):
        raise ImportError("IPython requires PyQt4 >= 4.7, found %s" %
                          QtCore.PYQT_VERSION_STR)

    # Alias PyQt-specific functions for PySide compatibility.
    QtCore.Signal = QtCore.pyqtSignal
    QtCore.Slot = QtCore.pyqtSlot

    # query for the API version (in case version == None)
    version = sip.getapi('QString')
    api = QT_API_PYQTv1 if version == 1 else QT_API_PYQT
    return QtCore, QtGui, QtSvg, api
tests.py 文件源码 项目:Qt.py 作者: mottosso 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def test_sip_api_already_set():
            """Raise ImportError with sip was set to 1 with no hint, default"""
            __import__("PyQt4.QtCore")  # Bypass linter warning
            import sip
            sip.setapi("QString", 1)
            assert_raises(ImportError, __import__, "Qt")

        # A sip API hint of any kind bypasses ImportError
        # on account of it being merely a hint.
tests.py 文件源码 项目:Qt.py 作者: mottosso 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def test_sip_api_1_1():
            """sip=1, hint=1 == OK"""
            import sip
            sip.setapi("QString", 1)
            os.environ["QT_SIP_API_HINT"] = "1"
            __import__("Qt")  # Bypass linter warning
tests.py 文件源码 项目:Qt.py 作者: mottosso 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def test_sip_api_2_1():
            """sip=2, hint=1 == WARNING"""
            import sip
            sip.setapi("QString", 2)
            os.environ["QT_SIP_API_HINT"] = "1"

            with captured_output() as out:
                __import__("Qt")  # Bypass linter warning
                stdout, stderr = out
                assert stderr.getvalue().startswith("Warning:")
tests.py 文件源码 项目:Qt.py 作者: mottosso 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def test_sip_api_1_2():
            """sip=1, hint=2 == WARNING"""
            import sip
            sip.setapi("QString", 1)
            os.environ["QT_SIP_API_HINT"] = "2"

            with captured_output() as out:
                __import__("Qt")  # Bypass linter warning
                stdout, stderr = out
                assert stderr.getvalue().startswith("Warning:")
tests.py 文件源码 项目:Qt.py 作者: mottosso 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def test_sip_api_2_2():
            """sip=2, hint=2 == OK"""
            import sip
            sip.setapi("QString", 2)
            os.environ["QT_SIP_API_HINT"] = "2"
            __import__("Qt")  # Bypass linter warning
qt_loaders.py 文件源码 项目:blender 作者: gastrodia 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def import_pyqt4(version=2):
    """
    Import PyQt4

    Parameters
    ----------
    version : 1, 2, or None
      Which QString/QVariant API to use. Set to None to use the system
      default

    ImportErrors rasied within this function are non-recoverable
    """
    # The new-style string API (version=2) automatically
    # converts QStrings to Unicode Python strings. Also, automatically unpacks
    # QVariants to their underlying objects.
    import sip

    if version is not None:
        sip.setapi('QString', version)
        sip.setapi('QVariant', version)

    from PyQt4 import QtGui, QtCore, QtSvg

    if not check_version(QtCore.PYQT_VERSION_STR, '4.7'):
        raise ImportError("IPython requires PyQt4 >= 4.7, found %s" %
                          QtCore.PYQT_VERSION_STR)

    # Alias PyQt-specific functions for PySide compatibility.
    QtCore.Signal = QtCore.pyqtSignal
    QtCore.Slot = QtCore.pyqtSlot

    # query for the API version (in case version == None)
    version = sip.getapi('QString')
    api = QT_API_PYQTv1 if version == 1 else QT_API_PYQT
    return QtCore, QtGui, QtSvg, api
qt_loaders.py 文件源码 项目:yatta_reader 作者: sound88 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def import_pyqt4(version=2):
    """
    Import PyQt4

    Parameters
    ----------
    version : 1, 2, or None
      Which QString/QVariant API to use. Set to None to use the system
      default

    ImportErrors rasied within this function are non-recoverable
    """
    # The new-style string API (version=2) automatically
    # converts QStrings to Unicode Python strings. Also, automatically unpacks
    # QVariants to their underlying objects.
    import sip

    if version is not None:
        sip.setapi('QString', version)
        sip.setapi('QVariant', version)

    from PyQt4 import QtGui, QtCore, QtSvg

    if not check_version(QtCore.PYQT_VERSION_STR, '4.7'):
        raise ImportError("IPython requires PyQt4 >= 4.7, found %s" %
                          QtCore.PYQT_VERSION_STR)

    # Alias PyQt-specific functions for PySide compatibility.
    QtCore.Signal = QtCore.pyqtSignal
    QtCore.Slot = QtCore.pyqtSlot

    # query for the API version (in case version == None)
    version = sip.getapi('QString')
    api = QT_API_PYQTv1 if version == 1 else QT_API_PYQT
    return QtCore, QtGui, QtSvg, api
Qt.py 文件源码 项目:SceneExplorer 作者: mochio326 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def _pyqt4():
    import sip
    try:
        sip.setapi("QString", 2)
        sip.setapi("QVariant", 2)
        sip.setapi("QDate", 2)
        sip.setapi("QDateTime", 2)
        sip.setapi("QTextStream", 2)
        sip.setapi("QTime", 2)
        sip.setapi("QUrl", 2)
    except AttributeError as e:
        raise ImportError(str(e))
        # PyQt4 < v4.6
    except ValueError as e:
        # API version already set to v1
        raise ImportError(str(e))

    from PyQt4 import (
        QtGui,
        QtCore,
        QtNetwork,
        QtXml,
        QtHelp,
        uic
    )

    QtWidgets = QtGui

    Qt.__binding__ = "PyQt4"
    Qt.__qt_version__ = QtCore.QT_VERSION_STR
    Qt.__binding_version__ = QtCore.PYQT_VERSION_STR
    QtCompat.load_ui = lambda fname: uic.loadUi(fname)
    QtCompat.setSectionResizeMode = QtGui.QHeaderView.setResizeMode

    # PySide2 differs from Qt4 in that Qt4 has one extra argument
    # which is always `None`. The lambda arguments represents the PySide2
    # interface, whereas the arguments passed to `.translate` represent
    # those expected of a Qt4 binding.
    QtCompat.translate = (
        lambda context, sourceText, disambiguation, n:
        QtCore.QCoreApplication.translate(context,
                                          sourceText,
                                          disambiguation,
                                          QtCore.QCoreApplication.CodecForTr,
                                          n))

    return QtCore, QtGui, QtWidgets, QtNetwork, QtXml, QtHelp
Qt.py 文件源码 项目:SiShelf 作者: mochio326 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def _pyqt4():
    import sip
    try:
        sip.setapi("QString", 2)
        sip.setapi("QVariant", 2)
        sip.setapi("QDate", 2)
        sip.setapi("QDateTime", 2)
        sip.setapi("QTextStream", 2)
        sip.setapi("QTime", 2)
        sip.setapi("QUrl", 2)
    except AttributeError as e:
        raise ImportError(str(e))
        # PyQt4 < v4.6
    except ValueError as e:
        # API version already set to v1
        raise ImportError(str(e))

    from PyQt4 import (
        QtGui,
        QtCore,
        QtNetwork,
        QtXml,
        QtHelp,
        uic
    )

    QtWidgets = QtGui

    Qt.__binding__ = "PyQt4"
    Qt.__qt_version__ = QtCore.QT_VERSION_STR
    Qt.__binding_version__ = QtCore.PYQT_VERSION_STR
    QtCompat.load_ui = lambda fname: uic.loadUi(fname)
    QtCompat.setSectionResizeMode = QtGui.QHeaderView.setResizeMode

    # PySide2 differs from Qt4 in that Qt4 has one extra argument
    # which is always `None`. The lambda arguments represents the PySide2
    # interface, whereas the arguments passed to `.translate` represent
    # those expected of a Qt4 binding.
    QtCompat.translate = (
        lambda context, sourceText, disambiguation, n:
        QtCore.QCoreApplication.translate(context,
                                          sourceText,
                                          disambiguation,
                                          QtCore.QCoreApplication.CodecForTr,
                                          n))

    return QtCore, QtGui, QtWidgets, QtNetwork, QtXml, QtHelp
Qt.py 文件源码 项目:pipeline 作者: liorbenhorin 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def _pyqt4():
    # Attempt to set sip API v2 (must be done prior to importing PyQt4)
    import sip
    try:
        sip.setapi("QString", 2)
        sip.setapi("QVariant", 2)
        sip.setapi("QDate", 2)
        sip.setapi("QDateTime", 2)
        sip.setapi("QTextStream", 2)
        sip.setapi("QTime", 2)
        sip.setapi("QUrl", 2)
    except AttributeError:
        raise ImportError
        # PyQt4 < v4.6
    except ValueError:
        # API version already set to v1
        raise ImportError

    import PyQt4.Qt
    from PyQt4 import QtCore, QtGui, uic

    _remap(PyQt4, "QtWidgets", QtGui)
    _remap(QtCore, "Signal", QtCore.pyqtSignal)
    _remap(QtCore, "Slot", QtCore.pyqtSlot)
    _remap(QtCore, "Property", QtCore.pyqtProperty)
    _remap(QtCore, "QItemSelection", QtGui.QItemSelection)
    _remap(QtCore, "QStringListModel", QtGui.QStringListModel)
    _remap(QtCore, "QItemSelectionModel", QtGui.QItemSelectionModel)
    _remap(QtCore, "QSortFilterProxyModel", QtGui.QSortFilterProxyModel)
    _remap(QtCore, "QAbstractProxyModel", QtGui.QAbstractProxyModel)

    try:
        from PyQt4 import QtWebKit
        _remap(PyQt4, "QtWebKitWidgets", QtWebKit)
    except ImportError:
        # QtWebkit is optional in Qt , therefore might not be available
        pass

    _add(PyQt4, "QtCompat", self)
    _add(PyQt4, "__binding__", PyQt4.__name__)
    _add(PyQt4, "load_ui", lambda fname: uic.loadUi(fname))
    _add(PyQt4, "translate", lambda context, sourceText, disambiguation, n: (
        QtCore.QCoreApplication(context, sourceText,
                                disambiguation, None, n)))
    _add(PyQt4, "setSectionResizeMode", QtGui.QHeaderView.setResizeMode)

    _maintain_backwards_compatibility(PyQt4)

    return PyQt4
Qt.py 文件源码 项目:pyblish-starter 作者: pyblish 项目源码 文件源码 阅读 34 收藏 0 点赞 0 评论 0
def pyqt4():
    # Attempt to set sip API v2 (must be done prior to importing PyQt4)
    import sip
    try:
        sip.setapi("QString", 2)
        sip.setapi("QVariant", 2)
        sip.setapi("QDate", 2)
        sip.setapi("QDateTime", 2)
        sip.setapi("QTextStream", 2)
        sip.setapi("QTime", 2)
        sip.setapi("QUrl", 2)
    except AttributeError:
        raise ImportError
        # PyQt4 < v4.6
    except ValueError:
        # API version already set to v1
        raise ImportError

    import PyQt4.Qt
    from PyQt4 import QtCore, QtGui, uic

    remap(PyQt4, "QtWidgets", QtGui)
    remap(QtCore, "Signal", QtCore.pyqtSignal)
    remap(QtCore, "Slot", QtCore.pyqtSlot)
    remap(QtCore, "Property", QtCore.pyqtProperty)
    remap(QtCore, "QItemSelection", QtGui.QItemSelection)
    remap(QtCore, "QStringListModel", QtGui.QStringListModel)
    remap(QtCore, "QItemSelectionModel", QtGui.QItemSelectionModel)
    remap(QtCore, "QSortFilterProxyModel", QtGui.QSortFilterProxyModel)
    remap(QtCore, "QAbstractProxyModel", QtGui.QAbstractProxyModel)

    try:
        from PyQt4 import QtWebKit
        remap(PyQt4, "QtWebKitWidgets", QtWebKit)
    except ImportError:
        # QtWebkit is optional in Qt , therefore might not be available
        pass

    add(PyQt4, "__wrapper_version__", __version__)
    add(PyQt4, "__binding__", "PyQt4")
    add(PyQt4, "__binding_version__", QtCore.PYQT_VERSION_STR)
    add(PyQt4, "__qt_version__", QtCore.QT_VERSION_STR)
    add(PyQt4, "__added__", __added__)
    add(PyQt4, "__remapped__", __remapped__)
    add(PyQt4, "__modified__", __modified__)
    add(PyQt4, "load_ui", lambda fname: uic.loadUi(fname))

    return PyQt4
Qt.py 文件源码 项目:scriptsmenu 作者: Colorbleed 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def _pyqt4():
    # Attempt to set sip API v2 (must be done prior to importing PyQt4)
    import sip
    try:
        sip.setapi("QString", 2)
        sip.setapi("QVariant", 2)
        sip.setapi("QDate", 2)
        sip.setapi("QDateTime", 2)
        sip.setapi("QTextStream", 2)
        sip.setapi("QTime", 2)
        sip.setapi("QUrl", 2)
    except AttributeError:
        raise ImportError
        # PyQt4 < v4.6
    except ValueError:
        # API version already set to v1
        raise ImportError

    import PyQt4.Qt
    from PyQt4 import QtCore, QtGui, uic


    _remap(PyQt4, "QtWidgets", QtGui)
    _remap(QtCore, "Signal", QtCore.pyqtSignal)
    _remap(QtCore, "Slot", QtCore.pyqtSlot)
    _remap(QtCore, "Property", QtCore.pyqtProperty)
    _remap(QtCore, "QItemSelection", QtGui.QItemSelection)
    _remap(QtCore, "QStringListModel", QtGui.QStringListModel)
    _remap(QtCore, "QItemSelectionModel", QtGui.QItemSelectionModel)
    _remap(QtCore, "QSortFilterProxyModel", QtGui.QSortFilterProxyModel)
    _remap(QtCore, "QAbstractProxyModel", QtGui.QAbstractProxyModel)

    try:
        from PyQt4 import QtWebKit
        _remap(PyQt4, "QtWebKitWidgets", QtWebKit)
    except ImportError:
        "QtWebkit is optional in Qt , therefore might not be available"

    _add(QtCompat, "__binding__", PyQt4.__name__)
    _add(QtCompat, "__binding_version__", PyQt4.QtCore.PYQT_VERSION_STR)
    _add(QtCompat, "__qt_version__", PyQt4.QtCore.QT_VERSION_STR)
    _add(QtCompat, "load_ui", lambda fname: uic.loadUi(fname))
    _add(QtCompat, "setSectionResizeMode", QtGui.QHeaderView.setResizeMode)

    # PySide2 differs from Qt4 in that Qt4 has one extra argument
    # which is always `None`. The lambda arguments represents the PySide2
    # interface, whereas the arguments passed to `.translate` represent
    # those expected of a Qt4 binding.
    _add(QtCompat, "translate",
         lambda context, sourceText, disambiguation, n:
         QtCore.QCoreApplication.translate(context,
                                           sourceText,
                                           disambiguation,
                                           QtCore.QCoreApplication.CodecForTr,
                                           n))

    _maintain_backwards_compatibility(PyQt4)

    return PyQt4
Qt.py 文件源码 项目:CNCGToolKit 作者: cineuse 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def _pyqt4():
    # Attempt to set sip API v2 (must be done prior to importing PyQt4)
    import sip
    try:
        sip.setapi("QString", 2)
        sip.setapi("QVariant", 2)
        sip.setapi("QDate", 2)
        sip.setapi("QDateTime", 2)
        sip.setapi("QTextStream", 2)
        sip.setapi("QTime", 2)
        sip.setapi("QUrl", 2)
    except AttributeError:
        raise ImportError
        # PyQt4 < v4.6
    except ValueError:
        # API version already set to v1
        raise ImportError

    import PyQt4.Qt
    from PyQt4 import QtCore, QtGui, uic

    _remap(PyQt4, "QtWidgets", QtGui)
    _remap(QtCore, "Signal", QtCore.pyqtSignal)
    _remap(QtCore, "Slot", QtCore.pyqtSlot)
    _remap(QtCore, "Property", QtCore.pyqtProperty)
    _remap(QtCore, "QItemSelection", QtGui.QItemSelection)
    _remap(QtCore, "QStringListModel", QtGui.QStringListModel)
    _remap(QtCore, "QItemSelectionModel", QtGui.QItemSelectionModel)
    _remap(QtCore, "QSortFilterProxyModel", QtGui.QSortFilterProxyModel)
    _remap(QtCore, "QAbstractProxyModel", QtGui.QAbstractProxyModel)

    try:
        from PyQt4 import QtWebKit
        _remap(PyQt4, "QtWebKitWidgets", QtWebKit)
    except ImportError:
        # QtWebkit is optional in Qt , therefore might not be available
        pass

    _add(PyQt4, "QtCompat", self)
    _add(PyQt4, "__binding__", PyQt4.__name__)
    _add(PyQt4, "load_ui", lambda fname: uic.loadUi(fname))
    _add(PyQt4, "translate", lambda context, sourceText, disambiguation, n: (
        QtCore.QCoreApplication(context, sourceText,
                                disambiguation, None, n)))
    _add(PyQt4, "setSectionResizeMode", QtGui.QHeaderView.setResizeMode)

    _maintain_backwards_compatibility(PyQt4)

    return PyQt4
Qt.py 文件源码 项目:pyblish-lite 作者: pyblish 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def _pyqt4():
    # Attempt to set sip API v2 (must be done prior to importing PyQt4)
    import sip
    try:
        sip.setapi("QString", 2)
        sip.setapi("QVariant", 2)
        sip.setapi("QDate", 2)
        sip.setapi("QDateTime", 2)
        sip.setapi("QTextStream", 2)
        sip.setapi("QTime", 2)
        sip.setapi("QUrl", 2)
    except AttributeError:
        raise ImportError
        # PyQt4 < v4.6
    except ValueError:
        # API version already set to v1
        raise ImportError

    import PyQt4.Qt
    from PyQt4 import QtCore, QtGui, uic

    _remap(PyQt4, "QtWidgets", QtGui)
    _remap(QtCore, "Signal", QtCore.pyqtSignal)
    _remap(QtCore, "Slot", QtCore.pyqtSlot)
    _remap(QtCore, "Property", QtCore.pyqtProperty)
    _remap(QtCore, "QItemSelection", QtGui.QItemSelection)
    _remap(QtCore, "QStringListModel", QtGui.QStringListModel)
    _remap(QtCore, "QItemSelectionModel", QtGui.QItemSelectionModel)
    _remap(QtCore, "QSortFilterProxyModel", QtGui.QSortFilterProxyModel)
    _remap(QtCore, "QAbstractProxyModel", QtGui.QAbstractProxyModel)

    try:
        from PyQt4 import QtWebKit
        _remap(PyQt4, "QtWebKitWidgets", QtWebKit)
    except ImportError:
        # QtWebkit is optional in Qt , therefore might not be available
        pass

    _add(PyQt4, "QtCompat", self)
    _add(PyQt4, "__binding__", PyQt4.__name__)
    _add(PyQt4, "load_ui", lambda fname: uic.loadUi(fname))
    _add(PyQt4, "translate", lambda context, sourceText, disambiguation, n: (
        QtCore.QCoreApplication(context, sourceText,
                                disambiguation, None, n)))
    _add(PyQt4, "setSectionResizeMode", QtGui.QHeaderView.setResizeMode)

    _maintain_backwards_compatibility(PyQt4)

    return PyQt4


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