diff options
| author | Numerigraphe - Lionel Sausin <ls@numerigraphe.fr> | 2010-07-22 15:54:36 +0200 |
|---|---|---|
| committer | Numerigraphe - Lionel Sausin <ls@numerigraphe.fr> | 2010-07-22 15:54:36 +0200 |
| commit | 666c4ec067ca4ecb1bf7dbb6c4cdd5ff3a58032a (patch) | |
| tree | 941f44ff8af66438eac5f0701b215c333a2fa20f /bin/tools/copy.py | |
| parent | 70fd90d33b2ebb25519d89b3505f616d2b6f7fa1 (diff) | |
[FIX] mutable default in tools
lp bug: https://launchpad.net/bugs/525808 fixed
bzr revid: ls@numerigraphe.fr-20100722135436-grgj7vow495q65vf
Diffstat (limited to 'bin/tools/copy.py')
| -rw-r--r-- | bin/tools/copy.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/bin/tools/copy.py b/bin/tools/copy.py index e6583dcfadf..badd4d51fc5 100644 --- a/bin/tools/copy.py +++ b/bin/tools/copy.py @@ -164,7 +164,7 @@ d[types.InstanceType] = _copy_inst del d -def deepcopy(x, memo=None, _nil=[]): +def deepcopy(x, memo=None, _nil=None): """Deep copy operation on arbitrary Python objects. See the module's __doc__ string for more info. @@ -172,6 +172,8 @@ def deepcopy(x, memo=None, _nil=[]): if memo is None: memo = {} + if _nil is None: + _nil = {} d = id(x) y = memo.get(d, _nil) |