[Distutils] [Catalog-sig] Prototype setuptools-specific PyPI index.
Phillip J. Eby
pje at telecommunity.com
Sun Jul 22 18:40:11 CEST 2007
At 06:26 PM 7/22/2007 +0200, Martin v. Löwis wrote:
> > That's a secondary benefit. The main goal is to avoid the expense of
> > that page for packages that aren't in PyPI, as some packages I use aren't.
>I see. Shouldn't that be fixed by providing an option to setuptools
>that avoids going to the index for missing packages?
There's already such an option; --find-links or -f lets you specify
URLs that should be checked before *any* PyPI access occurs. If all
dependencies can be met using those URLs without going to PyPI, and
you haven't explicitly requested -U (--update), easy_install doesn't
go to PyPI.
You can also specify such links in a setup script using
setup(dependency_links=[...]), which bakes them into the .egg. When
searching for that egg's dependencies, easy_install will pick them up
and use them.
So, it's actually possible to install a package and all its
dependencies without using PyPI at all, if the package author(s) bake
the URLs in.
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