[Distutils] [Catalog-sig] Prototype setuptools-specific PyPI index.

["Martin v. Löwis"]

>> Right. However, if setuptools would stop making case insensitive
>> lookups to the index, lookups to unregistered packages would become
>> more efficient.
> 
> I'm not sure I follow you.  If a non-registered package is used as a
> dependency, the setup() will need to specify dependency_links, in which
> case PyPI will not be consulted.

Ah, ok. So is it then correct that setuptools never looks at pypi/,
unless the user misspelled a package name on the command line?

Regards,
Martin