Nick Coghlan <ncogh...@gmail.com> added the comment:
Latest draft of API is here:
http://contextlib2_dev.readthedocs.org/en/latest/index.html#contextlib2.ExitStack
An updated version of the "I forgot I could use multiple context managers in a
with statement" example:
with ExitStack() as stack:
src = open(source)
stack.callback(src.close)
dest = open(destination, 'w')
stack.callback(dest.close)
copy(src, dest)
The example of opening a collection of files remains unchanged (aside from
s/ContextStack/ExitStack/).
Also see:
http://contextlib2_dev.readthedocs.org/en/latest/index.html#replacing-any-use-of-try-finally-and-flag-variables
----------
assignee: rhettinger -> ncoghlan
resolution: later ->
title: Add contextlib.CallbackStack -> Add contextlib.ExitStack
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue13585>
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