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Explicitly mention that people should not depend on finalization of 

objects to happen immediately.
This commit is contained in:
Gregory P. Smith 2011-03-10 11:49:27 -08:00
parent 2ddaaff62d
commit 28d57c0d5c
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Doc/reference/datamodel.rst
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@ -66,6 +66,8 @@ are still reachable.
containing circular references. See the documentation of the :mod:`gc`
module for information on controlling the collection of cyclic garbage.
Other implementations act differently and CPython may change.
Do not depend on immediate finalization of objects when they become
unreachable (ex: always close files).
Note that the use of the implementation's tracing or debugging facilities may
keep objects alive that would normally be collectable. Also note that catching