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Implement PEP 412: Key-sharing dictionaries (closes #13903)

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Patch from Mark Shannon.
This commit is contained in:
Benjamin Peterson 2012-04-23 11:24:50 -04:00
parent 80d07f8251
commit 7d95e40721
12 changed files with 1353 additions and 904 deletions
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4
Lib/test/test_pprint.py
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@ -219,6 +219,8 @@ class QueryTestCase(unittest.TestCase):
others.should.not.be: like.this}"""
self.assertEqual(DottedPrettyPrinter().pformat(o), exp)
@unittest.expectedFailure
#See http://bugs.python.org/issue13907
@test.support.cpython_only
def test_set_reprs(self):
# This test creates a complex arrangement of frozensets and
@ -241,10 +243,12 @@ class QueryTestCase(unittest.TestCase):
# Consequently, this test is fragile and
# implementation-dependent. Small changes to Python's sort
# algorithm cause the test to fail when it should pass.
# XXX Or changes to the dictionary implmentation...
self.assertEqual(pprint.pformat(set()), 'set()')
self.assertEqual(pprint.pformat(set(range(3))), '{0, 1, 2}')
self.assertEqual(pprint.pformat(frozenset()), 'frozenset()')
self.assertEqual(pprint.pformat(frozenset(range(3))), 'frozenset({0, 1, 2})')
cube_repr_tgt = """\
{frozenset(): frozenset({frozenset({2}), frozenset({0}), frozenset({1})}),