python - Does pip handle extras_requires from setuptools/distribute based sources? -

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i have package "a" setup.py , extras_requires line like:

extras_require = {     'ssh':  ['paramiko'], },

and package "b" depends on util:

install_requires = ['a[ssh]']

if run python setup.py install on package b, uses setuptools.command.easy_install under hood, extras_requires correctly resolved, , paramiko installed.

however, if run pip /path/to/b or pip hxxp://.../b-version.tar.gz, package installed, paramiko not.

because pip "installs source", i'm not quite sure why isn't working. should invoking setup.py of b, resolving & installing dependencies of both b , a.

is possible pip?

this suppported since pip 1.1, released in february 2012 (one year after question asked).


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