SF patch 518765 (Derek Harland): Bug in copy.py when used through

rexec.

When using a restricted environment, imports of copy will fail with an
AttributeError when trying to access types.CodeType.

Bugfix candidate (all the way back to 1.5.3, but at least 2.1.3 and
2.2.1).

Lib/copy.py

@@ -197,7 +197,10 @@ def _deepcopy_atomic(x, memo):
     d[types.UnicodeType] = _deepcopy_atomic
 except AttributeError:
     pass
-d[types.CodeType] = _deepcopy_atomic
+try:
+    d[types.CodeType] = _deepcopy_atomic
+except AttributeError:
+    pass
 d[types.TypeType] = _deepcopy_atomic
 d[types.XRangeType] = _deepcopy_atomic
 

Misc/ACKS

@@ -176,6 +176,7 @@ Milton L. Hankins
 Stephen Hansen
 Barry Hantman
 Lynda Hardman
+Derek Harland
 Jason Harper
 Gerhard Häring
 Larry Hastings