[Python-bugs-list] [ python-Bugs-702858 ] deepcopy can't copy self-referential new-style classes
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Thu, 13 Mar 2003 02:14:29 -0800
Bugs item #702858, was opened at 2003-03-13 10:14
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Category: Type/class unification
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Stephen C Phillips (scp93ch)
Assigned to: Nobody/Anonymous (nobody)
Summary: deepcopy can't copy self-referential new-style classes
Initial Comment:
Given this code:
import copy
class Foo(object):
pass
f = Foo()
f.bar = f
g = copy.deepcopy(f)
You will find with Python 2.3a2 and 2.2.2:
f is f.bar -> True
g is g.bar -> False
g is not f -> True
g.bar is not f -> True
Obviously, all the statements should be True.
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You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=702858&group_id=5470