Python PyQt4.QtSvg方法代码示例

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
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 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
def new_load_qt(api):
    """
    Directly import the Qt libraries rather than autodiscovering them
    """
    from PyQt4 import QtCore, QtGui, QtSvg
    return QtCore, QtGui, QtSvg, 'pyqt' 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
def has_binding(api):
    """Safely check for PyQt4 or PySide, without importing
       submodules

       Parameters
       ----------
       api : str [ 'pyqtv1' | 'pyqt' | 'pyside' | 'pyqtdefault']
            Which module to check for

       Returns
       -------
       True if the relevant module appears to be importable
    """
    # we can't import an incomplete pyside and pyqt4
    # this will cause a crash in sip (#1431)
    # check for complete presence before importing
    module_name = {QT_API_PYSIDE: 'PySide',
                   QT_API_PYQT: 'PyQt4',
                   QT_API_PYQTv1: 'PyQt4',
                   QT_API_PYQT_DEFAULT: 'PyQt4'}
    module_name = module_name[api]

    import imp
    try:
        #importing top level PyQt4/PySide module is ok...
        mod = __import__(module_name)
        #...importing submodules is not
        imp.find_module('QtCore', mod.__path__)
        imp.find_module('QtGui', mod.__path__)
        imp.find_module('QtSvg', mod.__path__)

        #we can also safely check PySide version
        if api == QT_API_PYSIDE:
            return check_version(mod.__version__, '1.0.3')
        else:
            return True
    except ImportError:
        return False 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
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 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
def import_pyside():
    """
    Import PySide

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

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
def has_binding(api):
    """Safely check for PyQt4 or PySide, without importing
       submodules

       Parameters
       ----------
       api : str [ 'pyqtv1' | 'pyqt' | 'pyside' | 'pyqtdefault']
            Which module to check for

       Returns
       -------
       True if the relevant module appears to be importable
    """
    # we can't import an incomplete pyside and pyqt4
    # this will cause a crash in sip (#1431)
    # check for complete presence before importing
    module_name = {QT_API_PYSIDE: 'PySide',
                   QT_API_PYQT: 'PyQt4',
                   QT_API_PYQTv1: 'PyQt4',
                   QT_API_PYQT_DEFAULT: 'PyQt4',
                   QT_API_PYQT5: 'PyQt5',
                   }
    module_name = module_name[api]

    import imp
    try:
        #importing top level PyQt4/PySide module is ok...
        mod = __import__(module_name)
        #...importing submodules is not
        imp.find_module('QtCore', mod.__path__)
        imp.find_module('QtGui', mod.__path__)
        imp.find_module('QtSvg', mod.__path__)

        #we can also safely check PySide version
        if api == QT_API_PYSIDE:
            return check_version(mod.__version__, '1.0.3')
        else:
            return True
    except ImportError:
        return False 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
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 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
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 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
def import_pyside():
    """
    Import PySide

    ImportErrors raised within this function are non-recoverable
    """
    from PySide import QtGui, QtCore, QtSvg  # @UnresolvedImport
    return QtCore, QtGui, QtSvg, QT_API_PYSIDE 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
def has_binding(api):
    """Safely check for PyQt4/5, PySide or PySide2, without importing
       submodules

    Supports Python <= 3.3

       Parameters
       ----------
       api : str [ 'pyqtv1' | 'pyqt' | 'pyqt5' | 'pyside' | 'pyside2' | 'pyqtdefault']
            Which module to check for

       Returns
       -------
       True if the relevant module appears to be importable
    """
    # we can't import an incomplete pyside and pyqt4
    # this will cause a crash in sip (#1431)
    # check for complete presence before importing
    module_name = api_to_module[api]

    import imp
    try:
        #importing top level PyQt4/PySide module is ok...
        mod = __import__(module_name)
        #...importing submodules is not
        imp.find_module('QtCore', list(mod.__path__))
        imp.find_module('QtGui', list(mod.__path__))
        imp.find_module('QtSvg', list(mod.__path__))
        if api == QT_API_PYQT5 or api == QT_API_PYSIDE2:
            # QT5 requires QtWidgets too
            imp.find_module('QtWidgets', list(mod.__path__))

        #we can also safely check PySide version
        if api == QT_API_PYSIDE:
            return check_version(mod.__version__, '1.0.3')
        else:
            return True
    except ImportError:
        return False 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
def has_binding_new(api):
    """Safely check for PyQt4/5 or PySide, without importing submodules

    Supports Python >= 3.4

        Parameters
        ----------
        api : str [ 'pyqtv1' | 'pyqt' | 'pyqt5' | 'pyside' | 'pyqtdefault']
             Which module to check for

        Returns
        -------
        True if the relevant module appears to be importable
     """
    module_name = api_to_module[api]
    from importlib.util import find_spec

    required = ['QtCore', 'QtGui', 'QtSvg']
    if api in (QT_API_PYQT5, QT_API_PYSIDE2):
        # QT5 requires QtWidgets too
        required.append('QtWidgets')

    for submod in required:
        try:
            spec = find_spec('%s.%s' % (module_name, submod))
        except ImportError:
            # Package (e.g. PyQt5) not found
            return False
        else:
            if spec is None:
                # Submodule (e.g. PyQt5.QtCore) not found
                return False

    if api == QT_API_PYSIDE:
        # We can also safely check PySide version
        import PySide
        return check_version(PySide.__version__, '1.0.3')

    return True 

# 需要导入模块: import PyQt4 [as 别名]
# 或者: from PyQt4 import QtSvg [as 别名]
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