Josh, the test.nested() in Nova uses exactly that: http://git.openstack.org/cgit/openstack/nova/tree/nova/test.py#n75
-- dims On Sun, Aug 23, 2015 at 5:16 PM, Joshua Harlow <harlo...@outlook.com> wrote: > On Fri, 21 Aug 2015 10:39:34 -0500 > "Kevin L. Mitchell" <kevin.mitch...@rackspace.com> wrote: > > > On Wed, 2015-08-19 at 16:51 -0700, Sylvain Bauza wrote: > > > I was writing some tests so I added a contextlib.nested to a > > > checked TestCase [1]. Unfortunately, contextlib.nested is no longer > > > available in Python3 and there is no clear solution on how to > > > provide a compatible import for both python2 and python3: > > > - either providing a python3 compatible behaviour by using > > > contextlib.ExitStack but that class is not available in Python 2 > > > - or provide contextlib2 for python2 (and thus adding it to the > > > requirements) > > > > Actually, there should no longer be a need to use contextlib.nested. > > We've explicitly dropped Python 2.6 compatibility, which means we're > > expecting compatibility with Python 2.7+ only, and as of Python 2.7, > > the 'with' statement supports accepting multiple 'as' clauses. The > > contextlib.nested tool was really only necessary to work around that > > functionality being missing in Python 2.6, and has been deprecated as > > of Python 2.7 because it's no longer necessary. > > Other option: > > https://contextlib2.readthedocs.org/en/latest/#contextlib2.ExitStack > > Which is also in py3.x > > https://docs.python.org/3/library/contextlib.html#contextlib.ExitStack > > Might be easier to read than the multiple as clauses and such, use at > your own will, but it's in the global-requirements (contextlib2 that > is); so use it where applicable imho :) > > -Josh > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > -- Davanum Srinivas :: https://twitter.com/dims
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