Not an option in this case I am afraid. I am more after a general solution for transaction participants that need to manage external (to ZODB) resources. The fact that persistent attributes are destroyed before a registered TM gets a chance to do its work is unfortunate.

Stefan


On 24. Mär 2006, at 11:24, Tino Wildenhain wrote:

Do you remember, when you use the tempfile module, you get a filehandle
with a "nameless" file which automatically vanishes if you close the
handle. Maybe this solves the problem for you?

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