[Distutils] how do you express a platform-specific dependency?

Phillip J. Eby pje at telecommunity.com
Fri May 16 00:32:38 CEST 2008

At 04:15 PM 5/15/2008 -0600, zooko wrote:
>if sys.platform == 'win32':
>     requirements.append('pywin32')
>If you do an install which involves fetching and evaluating the
>setup.py, this will suffice.  What I don't understand is what happens
>if declarative metadata is generated, e.g. a "twisted.egg-info/ 
>requires.txt" file which lists requirements.  Will that file contain
>"pywin32" if Twisted was built on Windows but not if it was built
>elsewhere?  Do those files get transferred around, such as in source

Yes...  but when you test or install from a source distribution, 
those files get rebuilt.  And of course, the binary distributions are 

More information about the Distutils-SIG mailing list