test_elementtree.py 文件源码

def test_del_attribute_ns(self):
        Element = self.etree.Element

        a = Element('a')
        a.attrib['{http://a/}foo'] = 'Foo'
        a.attrib['{http://a/}bar'] = 'Bar'
        self.assertEqual(None, a.get('foo'))
        self.assertEqual('Foo', a.get('{http://a/}foo'))
        self.assertEqual('Foo', a.attrib['{http://a/}foo'])

        self.assertRaises(KeyError, operator.delitem, a.attrib, 'foo')
        self.assertEqual('Foo', a.attrib['{http://a/}foo'])

        del a.attrib['{http://a/}foo']
        self.assertRaises(KeyError, operator.getitem, a.attrib, 'foo')