[Distutils] How to get list of package requirements from PyPI without downloading egg?

[Phillip J. Eby]

At 01:58 PM 10/26/2006 -0600, Jeremy Kloth wrote:
>The consumer of those fields is actually the PackageManager class:
>
>http://cvs.4suite.org/viewcvs/4Suite/Ft/Lib/DistExt/PackageManager.py?view=markup

Yeah, I'm still not getting what it *does* with this information.  What's 
it *for*?