我们从Python开源项目中，提取了以下23个代码示例，用于说明如何使用PyQt4.QtSvg()。
def import_pyqt5(): """ Import PyQt5 ImportErrors rasied within this function are non-recoverable """ import sip from PyQt5 import QtCore, QtSvg, QtWidgets, QtGui # 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__) api = QT_API_PYQT5 return QtCore, QtGuiCompat, QtSvg, api
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
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(module_name) #...importing submodules is not imp.find_module('QtCore', mod.__path__) imp.find_module('QtGui', mod.__path__) imp.find_module('QtSvg', mod.__path__) if api in (QT_API_PYQT5, QT_API_PYSIDE2): # QT5 requires QtWidgets too imp.find_module('QtWidgets', 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
def has_binding_new(api): """Safely check for PyQt4/5, PySide or PySide2, without importing submodules Supports Python >= 3.4 Parameters ---------- api : str [ 'pyqtv1' | 'pyqt' | 'pyqt5' | 'pyside' | 'pyside2' | '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
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
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
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
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
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
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', mod.__path__) imp.find_module('QtGui', mod.__path__) imp.find_module('QtSvg', mod.__path__) if api in (QT_API_PYQT5, QT_API_PYSIDE2): # QT5 requires QtWidgets too imp.find_module('QtWidgets', 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
def has_binding(api): """Safely check for PyQt4/5 or PySide, without importing submodules Parameters ---------- api : str [ 'pyqtv1' | 'pyqt' | 'pyqt5' | '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_PYQT5: 'PyQt5', 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__) if api == QT_API_PYQT5: # QT5 requires QtWidgets too imp.find_module('QtWidgets', 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
