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Issue #24254: Preserve class attribute definition order.

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This commit is contained in:
Eric Snow 2016-09-05 14:50:11 -07:00
parent 4565986138
commit 92a6c170e6
18 changed files with 568 additions and 189 deletions
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5
Lib/types.py
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@ -25,8 +25,11 @@ CoroutineType = type(_c)
_c.close() # Prevent ResourceWarning
class _C:
_nsType = type(locals())
def _m(self): pass
MethodType = type(_C()._m)
# In CPython, this should end up as OrderedDict.
_DefaultClassNamespaceType = _C._nsType
BuiltinFunctionType = type(len)
BuiltinMethodType = type([].append) # Same as BuiltinFunctionType
@ -85,7 +88,7 @@ def prepare_class(name, bases=(), kwds=None):
if hasattr(meta, '__prepare__'):
ns = meta.__prepare__(name, bases, **kwds)
else:
ns = {}
ns = _DefaultClassNamespaceType()
return meta, ns, kwds
def _calculate_meta(meta, bases):