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Issue #14007: make TreeBuilder an actual type exposed from _elementtree, and subclassable.

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This commit is contained in:
Eli Bendersky 2012-05-29 15:45:16 +03:00
parent d3f0882dfb
commit 58d548dff1
2 changed files with 91 additions and 74 deletions
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14
Lib/test/test_xml_etree.py
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@ -1979,6 +1979,20 @@ class TreeBuilderTest(unittest.TestCase):
parser.feed(self.sample1)
self.assertIsNone(parser.close())
def test_subclass(self):
class MyTreeBuilder(ET.TreeBuilder):
def foobar(self, x):
return x * 2
tb = MyTreeBuilder()
self.assertEqual(tb.foobar(10), 20)
parser = ET.XMLParser(target=tb)
parser.feed(self.sample1)
e = parser.close()
self.assertEqual(e.tag, 'html')
# XXX in _elementtree, the constructor of TreeBuilder expects no
# arguments
@unittest.expectedFailure