from PySide.QtCore import * from PySide.QtGui import * from PySide.QtDeclarative import * from helper import adjust_filename import unittest paintCalled = False class MetaA(type): pass class A(object): __metaclass__ = MetaA MetaB = type(QDeclarativeItem) B = QDeclarativeItem class MetaC(MetaA, MetaB): pass class C(A, B): __metaclass__ = MetaC class Bug825 (C): def __init__(self, parent = None): QDeclarativeItem.__init__(self, parent) # need to disable this flag to draw inside a QDeclarativeItem self.setFlag(QGraphicsItem.ItemHasNoContents, False) def paint(self, painter, options, widget): global paintCalled pen = QPen(Qt.black, 2) painter.setPen(pen); painter.drawPie(self.boundingRect(), 0, 128); paintCalled = True class TestBug825 (unittest.TestCase): def testIt(self): global paintCalled app = QApplication([]) qmlRegisterType(Bug825, 'bugs', 1, 0, 'Bug825') self.assertRaises(TypeError, qmlRegisterType, A, 'bugs', 1, 0, 'A') view = QDeclarativeView() view.setSource(QUrl.fromLocalFile(adjust_filename('bug_825.qml', __file__))) view.show() QTimer.singleShot(250, view.close) app.exec_() self.assertTrue(paintCalled) if __name__ == '__main__': unittest.main()