Yep, this definitely looks like an issue - could you open a bug? We should probably have a check when adding which causes us to scan the list occasionally and remove any dead types.
From: users-boun...@lists.ironpython.com [mailto:users-boun...@lists.ironpython.com] On Behalf Of Idan Zaltzberg Sent: Wednesday, October 13, 2010 6:48 AM To: Discussion of IronPython Subject: [IronPython] Possible WeakReference leak in Ipy 2.6.1 When definnning classes in a method that are subcallses, like: def d(): class A(BaseType): pass ... The new generated types is appended to the _subtypes weak reference list on BaseType. Looks like this list is only cleaned when RemoveSubType Is called, which might never happen if I understand correctly. Seems to me there should be a cleanup mechanism similar to WeakDictionary, so the list can't grow to infinity.
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