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Wed Mar 24 19:06:03 CET 2010 · https://mail.python.org/pipermail/python-dev/2010-March/098827.html

On Wed, Mar 24, 2010 at 12:53 PM, Darren Dale <dsdale24 at gmail.com> wrote:

> On Wed, Mar 24, 2010 at 1:19 PM, Ian Bicking <ianb at colorstudy.com> wrote:
> > On Wed, Mar 24, 2010 at 7:27 AM, Olemis Lang <olemis at gmail.com> wrote:
> >> My experience is that only `install_requires` is needed (unless you
> >> want to create app bundles AFAICR) , but in practice I've noticed that
> >> *some* easy_installable packages are not pip-able (though I had no
> >> time to figure out why :-/ )
> >
> > Usually this is because Setuptools is poking at objects to do its
> > work, while pip tries to work mostly with subprocesses.  Though to
> > complicate things a bit, pip makes sure the Setuptools monkeypatches
> > to distutils are applied, so that it's always as though the setup.py
> > says "from setuptools import setup".  easy_install *also* does this.
> >
> > But then easy_install starts calling methods and whatnot, while pip just
> does:
> >
> >  setup.py install --single-version-externally-managed --no-deps
> > --record some_tmp_file
> >
> > The --no-deps keeps Setuptools from resolving dependencies
>
> Seeking clarification: how can pip recursively install dependencies
> *and* keep Setuptools from resolving dependencies?
>
>
Using the --no-deps option to setup.py
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[Python-Dev] [Distutils] At least one package management tool for 2.7