test_etree.py 文件源码

def test_setslice_step_overrun(self):
        Element = self.etree.Element
        SubElement = self.etree.SubElement
        try:
            slice
        except NameError:
            print("slice() not found")
            return

        a = Element('a')
        b = SubElement(a, 'b')
        c = SubElement(a, 'c')
        d = SubElement(a, 'd')
        e = SubElement(a, 'e')

        x = Element('x')
        y = Element('y')
        z = Element('z')

        self.assertRaises(
            ValueError,
            operator.setitem, a, slice(1,None,2), [x, y, z])

        self.assertEqual(
            [b, c, d, e],
            list(a))