This is Gentoo query for package files: ares ~ # equery f empy * Searching for empy ... * Contents of dev-python/empy-3.3.2: /usr /usr/lib64 /usr/lib64/python2.7 /usr/lib64/python2.7/site-packages /usr/lib64/python2.7/site-packages/em.py /usr/lib64/python2.7/site-packages/em.pyc /usr/lib64/python2.7/site-packages/em.pyo /usr/lib64/python2.7/site-packages/empy-3.3.2-py2.7.egg-info /usr/lib64/python3.4 /usr/lib64/python3.4/site-packages /usr/lib64/python3.4/site-packages/__pycache__ /usr/lib64/python3.4/site-packages/__pycache__/em.cpython-34.pyc /usr/lib64/python3.4/site-packages/__pycache__/em.cpython-34.pyo /usr/lib64/python3.4/site-packages/em.py /usr/lib64/python3.4/site-packages/empy-3.3.2-py3.4.egg-info /usr/share /usr/share/doc /usr/share/doc/empy-3.3.2 /usr/share/doc/empy-3.3.2/README.bz2 And this is from Ubuntu machine allenh1@machina ~ $ dpkg -L python-empy /. /usr /usr/lib /usr/lib/python2.7 /usr/lib/python2.7/dist-packages /usr/lib/python2.7/dist-packages/em.py /usr/lib/python2.7/dist-packages/empy-3.3.2.egg-info /usr/share /usr/share/doc /usr/share/doc/python-empy /usr/share/doc/python-empy/README.gz /usr/share/doc/python-empy/copyright /usr/share/doc/python-empy/changelog.Debian.gz /usr/share/doc/python-empy/examples /usr/share/doc/python-empy/examples/sample.em.gz /usr/share/doc/python-empy/examples/sample.bench.gz /usr/share/man /usr/share/man/man1 /usr/share/man/man1/empy.1.gz /usr/bin /usr/bin/empy Resolution /usr/bin/empy is missing on Gentoo system.
The upstream build system does not install any scripts, so I don't see why we should either.
So, how should it be called from command line?
python2.7 -m em ...