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Issue #20289: The copy module now uses pickle protocol 4 (PEP 3154) and

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supports copying of instances of classes whose __new__ method takes
keyword-only arguments.
This commit is contained in:
Serhiy Storchaka 2015-03-24 18:06:42 +02:00
parent 944fbcc478
commit 32af7549a7
3 changed files with 76 additions and 2 deletions
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4
Lib/copy.py
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@ -94,7 +94,7 @@ def copy(x):
else:
reductor = getattr(x, "__reduce_ex__", None)
if reductor:
rv = reductor(2)
rv = reductor(4)
else:
reductor = getattr(x, "__reduce__", None)
if reductor:
@ -171,7 +171,7 @@ def deepcopy(x, memo=None, _nil=[]):
else:
reductor = getattr(x, "__reduce_ex__", None)
if reductor:
rv = reductor(2)
rv = reductor(4)
else:
reductor = getattr(x, "__reduce__", None)
if reductor: