Python PyQt5.QtCore.Slot() Examples

The following are 20 code examples for showing how to use PyQt5.QtCore.Slot(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

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Example 1
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: qt_compat.py    License: MIT License 7 votes vote down vote up
def _setup_pyqt5():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    if QT_API == QT_API_PYQT5:
        from PyQt5 import QtCore, QtGui, QtWidgets
        __version__ = QtCore.PYQT_VERSION_STR
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
    elif QT_API == QT_API_PYSIDE2:
        from PySide2 import QtCore, QtGui, QtWidgets, __version__
    else:
        raise ValueError("Unexpected value for the 'backend.qt5' rcparam")
    _getSaveFileName = QtWidgets.QFileDialog.getSaveFileName

    def is_pyqt5():
        return True 
Example 2
Project: GraphicDesignPatternByPython   Author: Relph1119   File: qt_compat.py    License: MIT License 7 votes vote down vote up
def _setup_pyqt5():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    if QT_API == QT_API_PYQT5:
        from PyQt5 import QtCore, QtGui, QtWidgets
        __version__ = QtCore.PYQT_VERSION_STR
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
    elif QT_API == QT_API_PYSIDE2:
        from PySide2 import QtCore, QtGui, QtWidgets, __version__
    else:
        raise ValueError("Unexpected value for the 'backend.qt5' rcparam")
    _getSaveFileName = QtWidgets.QFileDialog.getSaveFileName

    def is_pyqt5():
        return True 
Example 3
Project: DIE   Author: ynvb   File: ValueViewEx.py    License: MIT License 6 votes vote down vote up
def itemDoubleClickSlot(self, index):
        """
        TreeView DoubleClicked Slot.
        @param index: QModelIndex object of the clicked tree index item.
        @return:
        """

        func_context_list = index.data(role=DIE.UI.ContextList_Role)
        try:
            if self.function_view is None:
                self.function_view = DIE.UI.FunctionViewEx.get_view()

            if func_context_list is not None and len(func_context_list) > 0:
                if not self.function_view.isVisible():
                    self.function_view.Show()

                self.function_view.find_context_list(func_context_list)

        except Exception as ex:
            idaapi.msg("Error while loading function view: %s\n" % ex) 
Example 4
Project: coffeegrindsize   Author: jgagneastro   File: qt_compat.py    License: MIT License 6 votes vote down vote up
def _setup_pyqt5():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    if QT_API == QT_API_PYQT5:
        from PyQt5 import QtCore, QtGui, QtWidgets
        __version__ = QtCore.PYQT_VERSION_STR
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
    elif QT_API == QT_API_PYSIDE2:
        from PySide2 import QtCore, QtGui, QtWidgets, __version__
    else:
        raise ValueError("Unexpected value for the 'backend.qt5' rcparam")
    _getSaveFileName = QtWidgets.QFileDialog.getSaveFileName

    def is_pyqt5():
        return True 
Example 5
Project: CogAlg   Author: boris-kz   File: qt_compat.py    License: MIT License 6 votes vote down vote up
def _setup_pyqt5():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    if QT_API == QT_API_PYQT5:
        from PyQt5 import QtCore, QtGui, QtWidgets
        __version__ = QtCore.PYQT_VERSION_STR
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
    elif QT_API == QT_API_PYSIDE2:
        from PySide2 import QtCore, QtGui, QtWidgets, __version__
    else:
        raise ValueError("Unexpected value for the 'backend.qt5' rcparam")
    _getSaveFileName = QtWidgets.QFileDialog.getSaveFileName

    def is_pyqt5():
        return True 
Example 6
Project: Carnets   Author: holzschu   File: qt_loaders.py    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
def import_pyqt5():
    """
    Import PyQt5

    ImportErrors rasied within this function are non-recoverable
    """

    from PyQt5 import QtCore, QtSvg, QtWidgets, QtGui, QtPrintSupport

    import sip

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

    # Join QtGui and QtWidgets for Qt4 compatibility.
    QtGuiCompat = types.ModuleType('QtGuiCompat')
    QtGuiCompat.__dict__.update(QtGui.__dict__)
    QtGuiCompat.__dict__.update(QtWidgets.__dict__)
    QtGuiCompat.__dict__.update(QtPrintSupport.__dict__)

    api = QT_API_PYQT5
    return QtCore, QtGuiCompat, QtSvg, api 
Example 7
Project: twitter-stock-recommendation   Author: alvarobartt   File: qt_compat.py    License: MIT License 6 votes vote down vote up
def _setup_pyqt5():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    if QT_API == QT_API_PYQT5:
        from PyQt5 import QtCore, QtGui, QtWidgets
        __version__ = QtCore.PYQT_VERSION_STR
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
    elif QT_API == QT_API_PYSIDE2:
        from PySide2 import QtCore, QtGui, QtWidgets, __version__
    else:
        raise ValueError("Unexpected value for the 'backend.qt5' rcparam")
    _getSaveFileName = QtWidgets.QFileDialog.getSaveFileName

    def is_pyqt5():
        return True 
Example 8
Project: PyDev.Debugger   Author: fabioz   File: qt_loaders.py    License: Eclipse Public License 1.0 5 votes vote down vote up
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 
Example 9
Project: PyDev.Debugger   Author: fabioz   File: qt_loaders.py    License: Eclipse Public License 1.0 5 votes vote down vote up
def import_pyqt5():
    """
    Import PyQt5

    ImportErrors raised within this function are non-recoverable
    """
    from PyQt5 import QtGui, QtCore, QtSvg

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

    return QtCore, QtGui, QtSvg, QT_API_PYQT5 
Example 10
Project: python3_ios   Author: holzschu   File: qt_compat.py    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
def _setup_pyqt5():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    if QT_API == QT_API_PYQT5:
        from PyQt5 import QtCore, QtGui, QtWidgets
        __version__ = QtCore.PYQT_VERSION_STR
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
    elif QT_API == QT_API_PYSIDE2:
        from PySide2 import QtCore, QtGui, QtWidgets, __version__
    else:
        raise ValueError("Unexpected value for the 'backend.qt5' rcparam")
    _getSaveFileName = QtWidgets.QFileDialog.getSaveFileName

    def is_pyqt5():
        return True 
Example 11
Project: DIE   Author: ynvb   File: ValueViewEx.py    License: MIT License 5 votes vote down vote up
def find_value(self, value):
        """
        Find and highlight a function in current module
        @param value object (of type dbParsed_Value)
        """
        try:
            root_index = self.valueModel.index(0, 0)
            if not root_index.isValid():
                return

            matched_items = self.valueModel.match(root_index, DIE.UI.Value_Role, value.__hash__(), -1,
                                                  QtCore.Qt.MatchRecursive | QtCore.Qt.MatchExactly)

            for index in matched_items:
                if not index.isValid():
                    continue

                item = self.valueModel.itemFromIndex(index)
                self.valueTreeView.expand(index)
                self.valueTreeView.scrollTo(index, QtWidgets.QAbstractItemView.ScrollHint.PositionAtTop)
                self.highlight_item_row(item)

        except Exception as ex:
            idaapi.msg("Error while finding value: %s\n" % ex)


###############################################################################################
#  Slots
#
###############################################################################################


    #@QtCore.Slot(QtCore.QModelIndex) 
Example 12
Project: pySINDy   Author: luckystarufo   File: qt_loaders.py    License: MIT License 5 votes vote down vote up
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("QtConsole 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 
Example 13
Project: pySINDy   Author: luckystarufo   File: qt_loaders.py    License: MIT License 5 votes vote down vote up
def import_pyqt5():
    """
    Import PyQt5

    ImportErrors rasied within this function are non-recoverable
    """

    from PyQt5 import QtCore, QtSvg, QtWidgets, QtGui, QtPrintSupport

    import sip

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

    # Join QtGui and QtWidgets for Qt4 compatibility.
    QtGuiCompat = types.ModuleType('QtGuiCompat')
    QtGuiCompat.__dict__.update(QtGui.__dict__)
    QtGuiCompat.__dict__.update(QtWidgets.__dict__)
    QtGuiCompat.__dict__.update(QtPrintSupport.__dict__)

    api = QT_API_PYQT5
    return QtCore, QtGuiCompat, QtSvg, api 
Example 14
Project: Carnets   Author: holzschu   File: qt_loaders.py    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
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("QtConsole 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 
Example 15
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: qt_compat.py    License: MIT License 4 votes vote down vote up
def _setup_pyqt4():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    def _setup_pyqt4_internal(api):
        global QtCore, QtGui, QtWidgets, \
            __version__, is_pyqt5, _getSaveFileName
        # List of incompatible APIs:
        # http://pyqt.sourceforge.net/Docs/PyQt4/incompatible_apis.html
        _sip_apis = ["QDate", "QDateTime", "QString", "QTextStream", "QTime",
                     "QUrl", "QVariant"]
        try:
            import sip
        except ImportError:
            pass
        else:
            for _sip_api in _sip_apis:
                try:
                    sip.setapi(_sip_api, api)
                except ValueError:
                    pass
        from PyQt4 import QtCore, QtGui
        __version__ = QtCore.PYQT_VERSION_STR
        # PyQt 4.6 introduced getSaveFileNameAndFilter:
        # https://riverbankcomputing.com/news/pyqt-46
        if __version__ < LooseVersion("4.6"):
            raise ImportError("PyQt<4.6 is not supported")
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
        _getSaveFileName = QtGui.QFileDialog.getSaveFileNameAndFilter

    if QT_API == QT_API_PYQTv2:
        _setup_pyqt4_internal(api=2)
    elif QT_API == QT_API_PYSIDE:
        from PySide import QtCore, QtGui, __version__, __version_info__
        # PySide 1.0.3 fixed the following:
        # https://srinikom.github.io/pyside-bz-archive/809.html
        if __version_info__ < (1, 0, 3):
            raise ImportError("PySide<1.0.3 is not supported")
        _getSaveFileName = QtGui.QFileDialog.getSaveFileName
    elif QT_API == QT_API_PYQT:
        _setup_pyqt4_internal(api=1)
    else:
        raise ValueError("Unexpected value for the 'backend.qt4' rcparam")
    QtWidgets = QtGui

    def is_pyqt5():
        return False 
Example 16
Project: GraphicDesignPatternByPython   Author: Relph1119   File: qt_compat.py    License: MIT License 4 votes vote down vote up
def _setup_pyqt4():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    def _setup_pyqt4_internal(api):
        global QtCore, QtGui, QtWidgets, \
            __version__, is_pyqt5, _getSaveFileName
        # List of incompatible APIs:
        # http://pyqt.sourceforge.net/Docs/PyQt4/incompatible_apis.html
        _sip_apis = ["QDate", "QDateTime", "QString", "QTextStream", "QTime",
                     "QUrl", "QVariant"]
        try:
            import sip
        except ImportError:
            pass
        else:
            for _sip_api in _sip_apis:
                try:
                    sip.setapi(_sip_api, api)
                except ValueError:
                    pass
        from PyQt4 import QtCore, QtGui
        __version__ = QtCore.PYQT_VERSION_STR
        # PyQt 4.6 introduced getSaveFileNameAndFilter:
        # https://riverbankcomputing.com/news/pyqt-46
        if __version__ < LooseVersion("4.6"):
            raise ImportError("PyQt<4.6 is not supported")
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
        _getSaveFileName = QtGui.QFileDialog.getSaveFileNameAndFilter

    if QT_API == QT_API_PYQTv2:
        _setup_pyqt4_internal(api=2)
    elif QT_API == QT_API_PYSIDE:
        from PySide import QtCore, QtGui, __version__, __version_info__
        # PySide 1.0.3 fixed the following:
        # https://srinikom.github.io/pyside-bz-archive/809.html
        if __version_info__ < (1, 0, 3):
            raise ImportError("PySide<1.0.3 is not supported")
        _getSaveFileName = QtGui.QFileDialog.getSaveFileName
    elif QT_API == QT_API_PYQT:
        _setup_pyqt4_internal(api=1)
    else:
        raise ValueError("Unexpected value for the 'backend.qt4' rcparam")
    QtWidgets = QtGui

    def is_pyqt5():
        return False 
Example 17
Project: python3_ios   Author: holzschu   File: qt_compat.py    License: BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up
def _setup_pyqt4():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    def _setup_pyqt4_internal(api):
        global QtCore, QtGui, QtWidgets, \
            __version__, is_pyqt5, _getSaveFileName
        # List of incompatible APIs:
        # http://pyqt.sourceforge.net/Docs/PyQt4/incompatible_apis.html
        _sip_apis = ["QDate", "QDateTime", "QString", "QTextStream", "QTime",
                     "QUrl", "QVariant"]
        try:
            import sip
        except ImportError:
            pass
        else:
            for _sip_api in _sip_apis:
                try:
                    sip.setapi(_sip_api, api)
                except ValueError:
                    pass
        from PyQt4 import QtCore, QtGui
        __version__ = QtCore.PYQT_VERSION_STR
        # PyQt 4.6 introduced getSaveFileNameAndFilter:
        # https://riverbankcomputing.com/news/pyqt-46
        if __version__ < LooseVersion("4.6"):
            raise ImportError("PyQt<4.6 is not supported")
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
        _getSaveFileName = QtGui.QFileDialog.getSaveFileNameAndFilter

    if QT_API == QT_API_PYQTv2:
        _setup_pyqt4_internal(api=2)
    elif QT_API == QT_API_PYSIDE:
        from PySide import QtCore, QtGui, __version__, __version_info__
        # PySide 1.0.3 fixed the following:
        # https://srinikom.github.io/pyside-bz-archive/809.html
        if __version_info__ < (1, 0, 3):
            raise ImportError("PySide<1.0.3 is not supported")
        _getSaveFileName = QtGui.QFileDialog.getSaveFileName
    elif QT_API == QT_API_PYQT:
        _setup_pyqt4_internal(api=1)
    else:
        raise ValueError("Unexpected value for the 'backend.qt4' rcparam")
    QtWidgets = QtGui

    def is_pyqt5():
        return False 
Example 18
Project: coffeegrindsize   Author: jgagneastro   File: qt_compat.py    License: MIT License 4 votes vote down vote up
def _setup_pyqt4():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    def _setup_pyqt4_internal(api):
        global QtCore, QtGui, QtWidgets, \
            __version__, is_pyqt5, _getSaveFileName
        # List of incompatible APIs:
        # http://pyqt.sourceforge.net/Docs/PyQt4/incompatible_apis.html
        _sip_apis = ["QDate", "QDateTime", "QString", "QTextStream", "QTime",
                     "QUrl", "QVariant"]
        try:
            import sip
        except ImportError:
            pass
        else:
            for _sip_api in _sip_apis:
                try:
                    sip.setapi(_sip_api, api)
                except ValueError:
                    pass
        from PyQt4 import QtCore, QtGui
        __version__ = QtCore.PYQT_VERSION_STR
        # PyQt 4.6 introduced getSaveFileNameAndFilter:
        # https://riverbankcomputing.com/news/pyqt-46
        if __version__ < LooseVersion("4.6"):
            raise ImportError("PyQt<4.6 is not supported")
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
        _getSaveFileName = QtGui.QFileDialog.getSaveFileNameAndFilter

    if QT_API == QT_API_PYQTv2:
        _setup_pyqt4_internal(api=2)
    elif QT_API == QT_API_PYSIDE:
        from PySide import QtCore, QtGui, __version__, __version_info__
        # PySide 1.0.3 fixed the following:
        # https://srinikom.github.io/pyside-bz-archive/809.html
        if __version_info__ < (1, 0, 3):
            raise ImportError("PySide<1.0.3 is not supported")
        _getSaveFileName = QtGui.QFileDialog.getSaveFileName
    elif QT_API == QT_API_PYQT:
        _setup_pyqt4_internal(api=1)
    else:
        raise ValueError("Unexpected value for the 'backend.qt4' rcparam")
    QtWidgets = QtGui

    def is_pyqt5():
        return False 
Example 19
Project: CogAlg   Author: boris-kz   File: qt_compat.py    License: MIT License 4 votes vote down vote up
def _setup_pyqt4():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    def _setup_pyqt4_internal(api):
        global QtCore, QtGui, QtWidgets, \
            __version__, is_pyqt5, _getSaveFileName
        # List of incompatible APIs:
        # http://pyqt.sourceforge.net/Docs/PyQt4/incompatible_apis.html
        _sip_apis = ["QDate", "QDateTime", "QString", "QTextStream", "QTime",
                     "QUrl", "QVariant"]
        try:
            import sip
        except ImportError:
            pass
        else:
            for _sip_api in _sip_apis:
                try:
                    sip.setapi(_sip_api, api)
                except ValueError:
                    pass
        from PyQt4 import QtCore, QtGui
        __version__ = QtCore.PYQT_VERSION_STR
        # PyQt 4.6 introduced getSaveFileNameAndFilter:
        # https://riverbankcomputing.com/news/pyqt-46
        if __version__ < LooseVersion("4.6"):
            raise ImportError("PyQt<4.6 is not supported")
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
        _getSaveFileName = QtGui.QFileDialog.getSaveFileNameAndFilter

    if QT_API == QT_API_PYQTv2:
        _setup_pyqt4_internal(api=2)
    elif QT_API == QT_API_PYSIDE:
        from PySide import QtCore, QtGui, __version__, __version_info__
        # PySide 1.0.3 fixed the following:
        # https://srinikom.github.io/pyside-bz-archive/809.html
        if __version_info__ < (1, 0, 3):
            raise ImportError("PySide<1.0.3 is not supported")
        _getSaveFileName = QtGui.QFileDialog.getSaveFileName
    elif QT_API == QT_API_PYQT:
        _setup_pyqt4_internal(api=1)
    else:
        raise ValueError("Unexpected value for the 'backend.qt4' rcparam")
    QtWidgets = QtGui

    def is_pyqt5():
        return False 
Example 20
Project: twitter-stock-recommendation   Author: alvarobartt   File: qt_compat.py    License: MIT License 4 votes vote down vote up
def _setup_pyqt4():
    global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, _getSaveFileName

    def _setup_pyqt4_internal(api):
        global QtCore, QtGui, QtWidgets, \
            __version__, is_pyqt5, _getSaveFileName
        # List of incompatible APIs:
        # http://pyqt.sourceforge.net/Docs/PyQt4/incompatible_apis.html
        _sip_apis = ["QDate", "QDateTime", "QString", "QTextStream", "QTime",
                     "QUrl", "QVariant"]
        try:
            import sip
        except ImportError:
            pass
        else:
            for _sip_api in _sip_apis:
                try:
                    sip.setapi(_sip_api, api)
                except ValueError:
                    pass
        from PyQt4 import QtCore, QtGui
        __version__ = QtCore.PYQT_VERSION_STR
        # PyQt 4.6 introduced getSaveFileNameAndFilter:
        # https://riverbankcomputing.com/news/pyqt-46
        if __version__ < LooseVersion("4.6"):
            raise ImportError("PyQt<4.6 is not supported")
        QtCore.Signal = QtCore.pyqtSignal
        QtCore.Slot = QtCore.pyqtSlot
        QtCore.Property = QtCore.pyqtProperty
        _getSaveFileName = QtGui.QFileDialog.getSaveFileNameAndFilter

    if QT_API == QT_API_PYQTv2:
        _setup_pyqt4_internal(api=2)
    elif QT_API == QT_API_PYSIDE:
        from PySide import QtCore, QtGui, __version__, __version_info__
        # PySide 1.0.3 fixed the following:
        # https://srinikom.github.io/pyside-bz-archive/809.html
        if __version_info__ < (1, 0, 3):
            raise ImportError("PySide<1.0.3 is not supported")
        _getSaveFileName = QtGui.QFileDialog.getSaveFileName
    elif QT_API == QT_API_PYQT:
        _setup_pyqt4_internal(api=1)
    else:
        raise ValueError("Unexpected value for the 'backend.qt4' rcparam")
    QtWidgets = QtGui

    def is_pyqt5():
        return False