From: Guido van Rossum <guido@python.org>
Date: Thu, 6 Jun 2002 17:41:20 +0000 (+0000)
Subject: Fix from SF patch 565085: copy._reduction doesn't __setstate__.
X-Git-Tag: v2.3c1~5445
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3e3583c345e35d72a394f751bbee33257880fbd4;p=python

Fix from SF patch 565085: copy._reduction doesn't __setstate__.
Straightforward fix.  Will backport to 2.2.  If there's ever a new 2.1
release, this could be backported there too (since it's an issue with
anything that's got both a __reduce__ and a __setstate__).
---

diff --git a/Lib/copy.py b/Lib/copy.py
index 01805549ab..77b7ad3a00 100644
--- a/Lib/copy.py
+++ b/Lib/copy.py
@@ -301,7 +301,10 @@ def _reconstruct(x, info, deep, memo=None):
     if state:
         if deep:
             state = deepcopy(state, memo)
-        y.__dict__.update(state)
+        if hasattr(y, '__setstate__'):
+            y.__setstate__(state)
+        else:
+            y.__dict__.update(state)
     return y
 
 del d