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Issue #29377: Add three new wrappers to types.py (Manuel Krebber).

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This commit is contained in:
Guido van Rossum 2017-02-01 10:55:58 -08:00
parent 72268ae1c0
commit 934aba66ef
4 changed files with 49 additions and 0 deletions
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18
Lib/test/test_types.py
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@ -576,6 +576,24 @@ class TypesTests(unittest.TestCase):
self.assertGreater(object.__basicsize__, 0)
self.assertGreater(tuple.__itemsize__, 0)
def test_slot_wrapper_types(self):
self.assertIsInstance(object.__init__, types.SlotWrapperType)
self.assertIsInstance(object.__str__, types.SlotWrapperType)
self.assertIsInstance(object.__lt__, types.SlotWrapperType)
self.assertIsInstance(int.__lt__, types.SlotWrapperType)
def test_method_wrapper_types(self):
self.assertIsInstance(object().__init__, types.MethodWrapperType)
self.assertIsInstance(object().__str__, types.MethodWrapperType)
self.assertIsInstance(object().__lt__, types.MethodWrapperType)
self.assertIsInstance((42).__lt__, types.MethodWrapperType)
def test_method_descriptor_types(self):
self.assertIsInstance(str.join, types.MethodDescriptorType)
self.assertIsInstance(list.append, types.MethodDescriptorType)
self.assertIsInstance(''.join, types.BuiltinMethodType)
self.assertIsInstance([].append, types.BuiltinMethodType)
class MappingProxyTests(unittest.TestCase):
mappingproxy = types.MappingProxyType

4
Lib/types.py
View file

@ -36,6 +36,10 @@ MethodType = type(_C()._m)
BuiltinFunctionType = type(len)
BuiltinMethodType = type([].append) # Same as BuiltinFunctionType
SlotWrapperType = type(object.__init__)
MethodWrapperType = type(object().__str__)
MethodDescriptorType = type(str.join)
ModuleType = type(sys)
try: