Add an explanation about how packages are located for install

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Paul Moore 2015-12-11 17:59:34 +00:00
parent 664da05f3b
commit 7a90ee23ff
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@ -389,6 +389,13 @@ and `there <http://www.python.org/dev/peps/pep-0301/>`_
pip offers a number of Package Index Options for modifying how packages are found.
pip looks for packages in a number of places, on PyPI (if not disabled via
```--no-index```), in the local filesystem, and in any additional repositories
specified via ```--find-links``` or ```--index-url```. There is no ordering in
the locations that are searched, rather they are all checked, and the "best"
match for the requirements (in terms of version number - see `PEP440`_ for
details) is selected.
See the :ref:`pip install Examples<pip install Examples>`.