[Distutils] pkg_resources: parsing requires.txt without .egg-info/ directory

[Sridhar Ratnakumar]

On Wed, 22 Jul 2009 12:14:11 -0700, P.J. Eby <pje at telecommunity.com> wrote:

> t 12:08 PM 7/22/2009 -0700, Sridhar Ratnakumar wrote:
> On Tue, 21 Jul 2009 21:23:00 -0700, P.J. Eby <pje at telecommunity.com>  
> wrote:
> If I were trying to do what you're doing, I'd just run a bdist_egg on
> the package and inspect it via the API.  Or, alternately, I'd run the
> egg_info command with an explicit target directory, then load it via the
> regular API.  (By "regular API" I mean such things as a
> find_distributions() call aimed at the parent of the .egg-info
> directory.)
>  And I'd do it that way because then I wouldn't need to care whether the
> distribution was created with setuptools or not.
>  How can you run egg_info ('python setup.py egg_info') on a distribution
> that does not use setuptools?
>  By calling setuptools.sandbox.run_setup() with the appropriate  
> arguments.  (When setuptools is imported, it monkeypatches the  
> distutils, such that distutils is really setuptools.  That's how  
> easy_install is able to build eggs from packages that don't use  
> setuptools.)

Ok, anyways .. running setup.py can be a pain (eg: running egg_info on  
numpy, using the sandbox, actually tries to build the extensions!).

For now, I'll go with a custom parser (like pip) .. and wait for either  
you or Tarek to split setuptools into reusable modules.

Thanks.

-srid