On May 15, 2008, at 4:01 PM, zooko wrote:
Twisted requires pywin32 if it is running on Windows. How can the
twisted package metadata [1], which is produced by the twisted
setup.py [2], specify this dependency so that if you easy_install
Twisted on Windows you'll get pywin32 as well, but if you
easy_install Twisted on another platform you won't?
...
[1] http://pypi.python.org/pypi/Twisted
[2] http://twistedmatrix.com/trac/browser/trunk/setup.py?rev=23010#L76
Oh, following up to my own post, I guess the way you do it is put
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
distributions?
Thanks,
Regards,
Zooko
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