On Mar 18, 2011, at 07:40 PM, Guido van Rossum wrote: >On Fri, Mar 18, 2011 at 7:28 PM, Greg Ewing <[email protected]> >wrote: >> Tres Seaver wrote: >> >>> I'm not even sure why you would want __version__ in 99% of modules: in >>> the ordinary cases, a module's version should be either the Python >>> version (for a module shipped in the stdlib), or the release of the >>> distribution which shipped it. >> >> It's useful to be able to find out the version of a module >> you're using at run time so you can cope with API changes. >> >> I had a case just recently where the behaviour of something >> in pywin32 changed between one release and the next. I looked >> for an attribute called 'version' or something similar to >> test, but couldn't find anything. >> >> +1 on having a standard place to look for version info. > >I believe __version__ *is* the standard (like __author__). IIRC it was >proposed by Ping. I think this convention is so old that there isn't a >PEP for it. So yes, we might as well write it down. But it's really >nothing new.
I started an Informational PEP on this at Pycon, and will try to finish a draft of it this week. (I'm claiming 396 for it.) -Barry
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