uuid をインポートするときにメモリ リークが見つかりました。
Python 2.7.1 (r271:86832, Nov 27 2010, 18:30:46) [MSC v.1500 32 bit (Intel)] on win32
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>>> import gc
>>> gc.set_debug(gc.DEBUG_LEAK)
>>> gc.collect()
0
>>> gc.garbage
[]
>>> import uuid
>>> gc.collect()
gc: collectable <tuple 026A2D30>
gc: collectable <_ctypes.PyCSimpleType 026DC190>
gc: collectable <getset_descriptor 026A4FA8>
gc: collectable <getset_descriptor 026A4FD0>
gc: collectable <tuple 026A5600>
gc: collectable <StgDict 026A61E0>
gc: collectable <tuple 026A84B0>
gc: collectable <StgDict 026AA7C8>
gc: collectable <_ctypes.PyCArrayType 026FAD30>
gc: collectable <getset_descriptor 026AD148>
gc: collectable <getset_descriptor 026AD170>
gc: collectable <tuple 026AC150>
gc: collectable <tuple 0269BA50>
gc: collectable <StgDict 026AA978>
gc: collectable <_ctypes.PyCFuncPtrType 026FB4D0>
gc: collectable <getset_descriptor 02699D50>
gc: collectable <getset_descriptor 02699E18>
gc: collectable <tuple 0269D180>
gc: collectable <tuple 0269BBF0>
gc: collectable <StgDict 026AAA50>
gc: collectable <_ctypes.PyCFuncPtrType 026FB6B8>
gc: collectable <getset_descriptor 026AD5D0>
gc: collectable <getset_descriptor 026AD5F8>
gc: collectable <tuple 0269D540>
25
**>>> gc.garbage**
[(<type '_ctypes._SimpleCData'>,), <class 'ctypes.c_longdouble'>, <attribute '__dict__' of 'c_longdouble' objects>, <attribute '__weakref__' of 'c_longdouble' objects>
ypes.c_longdouble'>, <type '_ctypes._SimpleCData'>, <type '_ctypes._CData'>, <type 'object'>), {'__dict__': <attribute '__dict__' of 'c_longdouble' objects>, '_type_':
le__': 'ctypes', '__weakref__': <attribute '__weakref__' of 'c_longdouble' objects>, '__doc__': None}, (<type '_ctypes.Array'>,), {'__module__': 'ctypes._endian', '__d
ibute '__dict__' of 'c_long_Array_3' objects>, '__weakref__': <attribute '__weakref__' of 'c_long_Array_3' objects>, '_length_': 3, '_type_': <class 'ctypes.c_long'>,
ne}, <class 'ctypes._endian.c_long_Array_3'>, <attribute '__dict__' of 'c_long_Array_3' objects>, <attribute '__weakref__' of 'c_long_Array_3' objects>, (<class 'ctype
ong_Array_3'>, <type '_ctypes.Array'>, <type '_ctypes._CData'>, <type 'object'>), (<type '_ctypes.PyCFuncPtr'>,), {'__module__': 'ctypes', '__dict__': <attribute '__di
ncPtr' objects>, '__weakref__': <attribute '__weakref__' of '_FuncPtr' objects>, '_flags_': 1, '__doc__': None, '_restype_': <class 'ctypes.c_long'>}, <class 'ctypes._
ttribute '__dict__' of '_FuncPtr' objects>, <attribute '__weakref__' of '_FuncPtr' objects>, (<class 'ctypes._FuncPtr'>, <type '_ctypes.PyCFuncPtr'>, <type '_ctypes._C
'object'>), (<type '_ctypes.PyCFuncPtr'>,), {'__module__': 'ctypes', '__dict__': <attribute '__dict__' of '_FuncPtr' objects>, '__weakref__': <attribute '__weakref__'
' objects>, '_flags_': 1, '__doc__': None, '_restype_': <class 'ctypes.c_long'>}, <class 'ctypes._FuncPtr'>, <attribute '__dict__' of '_FuncPtr' objects>, <attribute '
of '_FuncPtr' objects>, (<class 'ctypes._FuncPtr'>, <type '_ctypes.PyCFuncPtr'>, <type '_ctypes._CData'>, <type 'object'>)]
**>>> len(gc.garbage)**
24
>>>
関連リソースを検索した後、インポート ctypes について同じ問題が見つかりました。http://bugs.python.org/issue12142でその問題を見つけました。
これも bugs.python.org に報告すべきバグなのだろうか。