pkgs/development/python-modules/buildout-nix/nix.patch

   1 --- a/src/zc/buildout/buildout.py       2017-08-18 10:06:24.946428977 +0300
   2 +++ b/src/zc/buildout/buildout.py       2017-08-18 10:08:49.115613364 +0300
   3 @@ -382,6 +382,10 @@
   4                   if k not in versions
   5                   ))
   6
   7 +        # Override versions with available (nix) system packages
   8 +        for dist in pkg_resources.working_set:
   9 +             versions[dist.project_name] = SectionKey(dist.version, dist.location)
  10 +
  11          # Absolutize some particular directory, handling also the ~/foo form,
  12          # and considering the location of the configuration file that generated
  13          # the setting as the base path, falling back to the main configuration
  14 --- a/src/zc/buildout/easy_install.py   2017-08-18 10:06:24.948428980 +0300
  15 +++ b/src/zc/buildout/easy_install.py   2017-08-18 10:07:37.462521740 +0300
  16 @@ -321,6 +321,12 @@
  17
  18      def _satisfied(self, req, source=None):
  19          dists = [dist for dist in self._env[req.project_name] if dist in req]
  20 +        try:
  21 +            dists = ([dist for dist in dists
  22 +                     if dist.precedence == pkg_resources.DEVELOP_DIST]
  23 +                     + [pkg_resources.get_distribution(req.project_name)])
  24 +        except pkg_resources.DistributionNotFound:
  25 +            pass
  26          if not dists:
  27              logger.debug('We have no distributions for %s that satisfies %r.',
  28                           req.project_name, str(req))