def showWidget(key, widgetType, refresh=False):
global _globalQtObjects
if refresh:
# Close and remove widget, so we can test a new one.
try:
widget = _globalQtObjects.pop(key)
except (KeyError, RuntimeError):
pass
else:
# Widget might get deleted on close, watch out!
if shiboken.isValid(widget):
widget.close()
if shiboken.isValid(widget):
widget.deleteLater()
# Prevent GC
widget = _globalQtObjects.get(key)
if widget is None or not shiboken.isValid(widget):
widget = _globalQtObjects[key] = widgetType()
try:
widget.show()
widget.raise_()
except RuntimeError:
# PySide-1 has a propensity to LIE that a widget
# is still valid in C++ land. so we'll try
# ONE MORE TIME
widget = _globalQtObjects[key] = widgetType()
widget.show()
widget.raise_()
def showWidget(key, widgetType, refresh=False):
global _globalQtObjects
if refresh:
# Close and remove widget, so we can test a new one.
try:
widget = _globalQtObjects.pop(key)
except (KeyError, RuntimeError):
pass
else:
# Widget might get deleted on close, watch out!
if shiboken.isValid(widget):
widget.close()
if shiboken.isValid(widget):
widget.deleteLater()
# Prevent GC
widget = _globalQtObjects.get(key)
if widget is None or not shiboken.isValid(widget):
widget = _globalQtObjects[key] = widgetType()
try:
widget.show()
widget.raise_()
except RuntimeError:
# PySide-1 has a propensity to LIE that a widget
# is still valid in C++ land. so we'll try
# ONE MORE TIME
widget = _globalQtObjects[key] = widgetType()
widget.show()
widget.raise_()
def testDelete(self):
obj = ObjectType()
child = ObjectType(obj)
self.assertTrue(shiboken.isValid(obj))
self.assertTrue(shiboken.isValid(child))
# Note: this test doesn't assure that the object dtor was really called
shiboken.delete(obj)
self.assertFalse(shiboken.isValid(obj))
self.assertFalse(shiboken.isValid(child))
def testIsValid(self):
self.assertTrue(shiboken.isValid(object()))
self.assertTrue(shiboken.isValid(None))
bb = BlackBox()
item = ObjectType()
ticket = bb.keepObjectType(item)
bb.disposeObjectType(ticket)
self.assertFalse(shiboken.isValid(item))
def testNonCppWrapperClassDelete(self):
"""Would segfault when shiboken.delete called on obj not created from
Python """
obj = sample.ObjectType()
child = obj.createChild(None)
shiboken.delete(child)
assert not shiboken.isValid(child)
def testNonCppWrapperClassDelete(self):
"""Would segfault when shiboken.delete called on obj not created from
Python """
obj = sample.ObjectType()
child = obj.createChild(None)
shiboken.delete(child)
assert not shiboken.isValid(child)
def allinstances(cls):
"""Return all instances that inherit from JB_Gui
:returns: all instances that inherit from JB_Gui
:rtype: list
:raises: None
"""
JB_Gui._allinstances = weakref.WeakSet([i for i in cls._allinstances if shiboken.isValid(i)])
return list(cls._allinstances)
def isObjectValid(objectToTestObjIn):
"""
Determine if `objectToTestObjIn` is valid
Args:
objectToTestObjIn (obj): Object to test
Returns:
(bool): Is the object valid
"""
if Qt.IsPySide:
import shiboken
return shiboken.isValid(objectToTestObjIn)
elif Qt.IsPySide2:
import shiboken2
return shiboken2.isValid(objectToTestObjIn)
def isValid(widget): """ Check if a widget is valid in the backend :param widget: QtGui.QWidget :return: True if the widget still has a c++ object :rtype: bool """ if widget is None: return False if qt_lib == 'pyqt': if sip.isdeleted(widget): return False elif qt_lib == 'pyside': if not shiboken.isValid(widget): return False return True
def isValid(widget):
"""
Check if a widget is valid in the backend
:param widget: QtGui.QWidget
:return: True if the widget still has a c++ object
:rtype: bool
"""
if widget is None:
return False
if qt_lib == 'pyqt':
if sip.isdeleted(widget):
return False
elif qt_lib == 'pyside':
if not shiboken.isValid(widget):
return False
return True
def update_button(self, button, widget):
"""Update the icon of the button with the given widget
if the widget does not is invalid, it is deleted from the tooltip automatically.
:param button: the button to update
:type button: QtGui.QAbstractButton
:param widget: the widget to render as icon
:type widget: QtGui.QWidget
:returns: None
:rtype: None
:raises: None
"""
if not shiboken.isValid(widget):
self.remove_widget(widget)
return
button.setIconSize(QtCore.QSize(self._iconw, self._iconh))
pix = QtGui.QPixmap(widget.size())
widget.render(pix)
icon = QtGui.QIcon(pix)
button.setIcon(icon)
def run(self, *args, **kwargs):
"""Start genesis
:returns: None
:rtype: None
:raises: None
"""
if self.gw and shiboken.isValid(self.gw):
self.gw.deleteLater()
mayawin = maya_main_window()
self.gw = self.GenesisWin(parent=mayawin)
self.gw.last_file.connect(self.save_lastfile)
if not self.gw.get_current_file():
c = self.get_config()
try:
f = models.TaskFile.objects.get(pk=c['lastfile'])
except models.TaskFile.DoesNotExist:
pass
else:
self.gw.browser.set_selection(f)
self.gw.show()
def testClear(self):
model = QStandardItemModel()
root = model.invisibleRootItem()
model.clear()
self.assertFalse(shiboken.isValid(root))
def isValidQObj(qobj):
return shiboken.isValid(qobj)
def isValidQObj(qobj):
return shiboken.isValid(qobj)
def testClear(self):
model = QStandardItemModel()
root = model.invisibleRootItem()
model.clear()
self.assertFalse(shiboken.isValid(root))
def _isdeleted(obj):
return not shiboken.isValid(obj)
def _isdeleted(obj): return not shiboken.isValid(obj) _getSaveFileName = QtGui.QFileDialog.getSaveFileName
