[openstack-dev] [oslo] deprecation 'pattern' library??

Doug Hellmann doug at doughellmann.com
Wed Dec 10 21:00:54 UTC 2014

On Dec 10, 2014, at 3:26 PM, Joshua Harlow <harlowja at outlook.com> wrote:

> Hi oslo folks (and others),
> I've recently put up a review for some common deprecation patterns:
> https://review.openstack.org/#/c/140119/
> In summary, this is a common set of patterns that can be used by oslo libraries, other libraries... This is different from the versionutils one (which is more of a developer<->operator deprecation interaction) and is more focused on the developer <-> developer deprecation interaction (developers say using oslo libraries).
> Doug had the question about why not just put this out there on pypi with a useful name not so strongly connected to oslo; since that review is more of a common set of patterns that can be used by libraries outside openstack/oslo as well. There wasn't many/any similar libraries that I found (zope.deprecation is probably the closest) and twisted has something in-built to it that is something similar. So in order to avoid creating our own version of zope.deprecation in that review we might as well create a neat name that can be useful for oslo/openstack/elsewhere...
> Some ideas that were thrown around on IRC (check 'https://pypi.python.org/pypi/%s' % name for 404 to see if likely not registered):
> * debtcollector


I suspect we’ll want a minimal spec for the new lib, but let’s wait and hear what some of the other cores think.


> * bagman
> * deprecate
> * deprecation
> * baggage
> Any other neat names people can think about?
> Or in general any other comments/ideas about providing such a deprecation pattern library?
> -Josh
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