setup.py

from __future__ import (absolute_import, division, print_function)
# unicode_literals should not be imported above because Python2
# setuptools  expects a "str" for parsing package_data. Including it
# caused the following error:
#   error in pygmos setup command: package_data must be a dictionary
#   mapping package names to lists of wildcard patterns

import os
import re
from setuptools import find_packages, setup

# folder where pygmos is stored
here = os.path.abspath(os.path.dirname(__file__))

#this function copied from pip's setup.py
#https://github.com/pypa/pip/blob/1.5.6/setup.py
#so that the version is only set in the __init__.py and then read here
#to be consistent
def find_version(fname):
    version_file = read(fname)
    version_match = re.search(
        r"^__version__ = ['\"]([^'\"]*)['\"]", version_file, re.M)
    if version_match:
        return version_match.group(1)
    raise RuntimeError("Unable to find version string.")


#Taken from the Python docs:
#Utility function to read the README file.
#Used for the long_description.  It's nice, because now 1) we have a
#top level README file and 2) it's easier to type in the README file
#than to put a raw string in below
def read(fname):
    return open(os.path.join(here, fname)).read()


print(find_packages())

setup(
    name='pygmos',
    version=find_version('pygmos/__init__.py'),
    description='Automatic reduction of GMOS spectroscopic data',
    author='Cristobal Sifon',
    author_email='sifon@astro.princeton.edu',
    long_description=read('README.md'),
    url='https://github.com/cristobal-sifon/pygmos',
    packages=find_packages() + ['data', 'docs'],
    package_data={'pygmos': ['cl/*.cl']},
    add_package_data=True,
    scripts=['bin/pygmos'],
    data_files=[('docs', ['docs/pygmos.hlp',
                          'docs/pygmos.params',
                          'docs/pygmos.params.extended',
                          'README.md']),
                ('data', ['data/CuAr_GMOS.dat'])],
    zip_safe=False
    )