Terry J. Reedy <tjre...@udel.edu> added the comment:
contextlib.closing is an adapter for using objects that have a close method but
have not be modernized to be context managers by having _enter__ and __exit__
methods added. Its doc gives the example
with closing(urlopen('http://www.python.org')) as page:
This is now obsolete as the object returned is now a context manager.
A shelf instance would make a better example now, but...
I think it reasonable to update shelve.Shelf also. I believe
def __enter__(self): return self
def __exit__(self, e_typ, e_val, tb): self.close()
are all that are needed. (Nick, true?)
----------
nosy: +ncoghlan, terry.reedy
stage: -> test needed
title: shelf doesn't work with 'with' -> Make shelf instances work with 'with'
as context managers
type: -> enhancement
versions: +Python 3.3
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue13896>
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