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Thu Jul 1 06:30:55 EDT 2004 · http://mail.python.org/pipermail/python-dev/2004-July/045802.html

At 16:53 30.06.2004 -0400, Jim Fulton wrote:

>     def _patch(self):
>         key = object.__getattribute__(self, '_local__key')
>         d = currentThread().__dict__.get(key)
>         if d is None:
>             d = {}
>             currentThread().__dict__[key] = d
>             object.__setattr__(self, '__dict__', d)
>
>             # we have a new instance dict, so call out __init__ if we have
>             # one
>             cls = type(self)
>             if cls.__init__ is not object.__init__:
>                 args, kw = object.__getattribute__(self, '_local__args')
>                 cls.__init__(self, *args, **kw)
>         else:
>             object.__setattr__(self, '__dict__', d)
>
>     class local(_localbase):
>
>         def __getattribute__(self, name):
>             _patch(self)

what happens if there's a thread switch, to another thread using the local 
object, here? between patching __dict__ and accessing __dict__

>             return object.__getattribute__(self, name)
>
>         def __setattr__(self, name, value):
>             _patch(self)
>             return object.__setattr__(self, name, value)
>
>         def __delattr__(self, name):
>             _patch(self)
>             return object.__delattr__(self, name)
>
>         def __del__(self):
>             key = object.__getattribute__(self, '_local__key')
>             for thread in enumerate():
>                 if key in thread.__dict__:
>                     del thread.__dict__[key]
>
>Any objections? Any more tricks up your sleeve Armin? :)
>
>Jim
>
>--
>Jim Fulton           mailto:jim at zope.com       Python Powered!
>CTO                  (540) 361-1714            http://www.python.org
>Zope Corporation     http://www.zope.com       http://www.zope.org
>
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[Python-Dev] Version 3 Proposal: thread-local data