diff options
Diffstat (limited to 'Lib/copy.py')
| -rw-r--r-- | Lib/copy.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/copy.py b/Lib/copy.py index 3f2033f5ff..d3db93d08d 100644 --- a/Lib/copy.py +++ b/Lib/copy.py @@ -49,6 +49,7 @@ __getstate__() and __setstate__(). See the documentation for module """ import types +import weakref from copy_reg import dispatch_table class Error(Exception): @@ -102,7 +103,7 @@ def _copy_immutable(x): for t in (type(None), int, long, float, bool, str, tuple, frozenset, type, xrange, types.ClassType, types.BuiltinFunctionType, type(Ellipsis), - types.FunctionType): + types.FunctionType, weakref.ref): d[t] = _copy_immutable for name in ("ComplexType", "UnicodeType", "CodeType"): t = getattr(types, name, None) @@ -220,6 +221,7 @@ d[xrange] = _deepcopy_atomic d[types.ClassType] = _deepcopy_atomic d[types.BuiltinFunctionType] = _deepcopy_atomic d[types.FunctionType] = _deepcopy_atomic +d[weakref.ref] = _deepcopy_atomic def _deepcopy_list(x, memo): y = [] |