text: #!/usr/bin/env python
  # Licensed under a 3-clause BSD style license - see LICENSE.rst
  # Note: This file needs to be Python 2 / <3.6 compatible, so that the nice
  # "This package only supports Python 3.x+" error prints without syntax errors etc.
  
  import glob
  import os
  import sys
  try:
      from configparser import ConfigParser
  except ImportError:
      from ConfigParser import ConfigParser
  
  # Get some values from the setup.cfg
  conf = ConfigParser()
  conf.read(['setup.cfg'])
  metadata = dict(conf.items('metadata'))
  
  PACKAGENAME = metadata.get('package_name', 'nuclockutils')
  DESCRIPTION = metadata.get('description', 'Utilities for a precise timing calibration of NuSTAR data')
  AUTHOR = metadata.get('author', 'Matteo Bachetti')
  AUTHOR_EMAIL = metadata.get('author_email', '')
  LICENSE = metadata.get('license', 'unknown')
  URL = metadata.get('url', 'http://github.com/matteobachetti/nustar-clock-utils')
  __minimum_python_version__ = metadata.get("minimum_python_version", "3.6")
  
  # Enforce Python version check - this is the same check as in __init__.py but
  # this one has to happen before importing ah_bootstrap.
  if sys.version_info < tuple((int(val) for val in __minimum_python_version__.split('.'))):
      sys.stderr.write("ERROR: nuclockutils requires Python {} or later\n".format(__minimum_python_version__))
      sys.exit(1)
  
  # Import ah_bootstrap after the python version validation
  
  import ah_bootstrap
  from setuptools import setup
  
  import builtins
  builtins._ASTROPY_SETUP_ = True
  
  from astropy_helpers.setup_helpers import (register_commands, get_debug_option,
                                             get_package_info)
  from astropy_helpers.git_helpers import get_git_devstr
  from astropy_helpers.version_helpers import generate_version_py
  
  
  # order of priority for long_description:
  #   (1) set in setup.cfg,
  #   (2) load LONG_DESCRIPTION.rst,
  #   (3) load README.rst,
  #   (4) package docstring
  readme_glob = 'README*'
  _cfg_long_description = metadata.get('long_description', '')
  if _cfg_long_description:
      LONG_DESCRIPTION = _cfg_long_description
  
  elif os.path.exists('LONG_DESCRIPTION.rst'):
      with open('LONG_DESCRIPTION.rst') as f:
          LONG_DESCRIPTION = f.read()
  
  elif len(glob.glob(readme_glob)) > 0:
      with open(glob.glob(readme_glob)[0]) as f:
          LONG_DESCRIPTION = f.read()
  
  else:
      # Get the long description from the package's docstring
      __import__(PACKAGENAME)
      package = sys.modules[PACKAGENAME]
      LONG_DESCRIPTION = package.__doc__
  
  # Store the package name in a built-in variable so it's easy
  # to get from other parts of the setup infrastructure
  builtins._ASTROPY_PACKAGE_NAME_ = PACKAGENAME
  
  # VERSION should be PEP440 compatible (http://www.python.org/dev/peps/pep-0440)
  VERSION = metadata.get('version', '0.0.dev')
  
  # Indicates if this version is a release version
  RELEASE = 'dev' not in VERSION
  
  if not RELEASE:
      VERSION += get_git_devstr(False)
  
  # Populate the dict of setup command overrides; this should be done before
  # invoking any other functionality from distutils since it can potentially
  # modify distutils' behavior.
  cmdclassd = register_commands(PACKAGENAME, VERSION, RELEASE)
  
  # Freeze build information in version.py
  generate_version_py(PACKAGENAME, VERSION, RELEASE,
                      get_debug_option(PACKAGENAME))
  
  # Treat everything in scripts except README* as a script to be installed
  scripts = [fname for fname in glob.glob(os.path.join('scripts', '*'))
             if not os.path.basename(fname).startswith('README')]
  
  
  # Get configuration information from all of the various subpackages.
  # See the docstring for setup_helpers.update_package_files for more
  # details.
  package_info = get_package_info()
  
  # Add the project-global data
  package_info['package_data'].setdefault(PACKAGENAME, [])
  package_info['package_data'][PACKAGENAME].append('data/*')
  package_info['package_data'][PACKAGENAME].append('tests/data/*')
  
  # Define entry points for command-line scripts
  entry_points = {'console_scripts': []}
  
  if conf.has_section('entry_points'):
      entry_point_list = conf.items('entry_points')
      for entry_point in entry_point_list:
          entry_points['console_scripts'].append('{0} = {1}'.format(
              entry_point[0], entry_point[1]))
  
  # Include all .c files, recursively, including those generated by
  # Cython, since we can not do this in MANIFEST.in with a "dynamic"
  # directory name.
  c_files = []
  for root, dirs, files in os.walk(PACKAGENAME):
      for filename in files:
          if filename.endswith('.c'):
              c_files.append(
                  os.path.join(
                      os.path.relpath(root, PACKAGENAME), filename))
  package_info['package_data'][PACKAGENAME].extend(c_files)
  
  # Note that requires and provides should not be included in the call to
  # ``setup``, since these are now deprecated. See this link for more details:
  # https://groups.google.com/forum/#!topic/astropy-dev/urYO8ckB2uM
  
  setup(name=PACKAGENAME,
        version=VERSION,
        description=DESCRIPTION,
        scripts=scripts,
        install_requires=[s.strip() for s in metadata.get('install_requires', 'astropy').split(',')],
        author=AUTHOR,
        author_email=AUTHOR_EMAIL,
        license=LICENSE,
        url=URL,
        long_description=LONG_DESCRIPTION,
        cmdclass=cmdclassd,
        zip_safe=False,
        use_2to3=False,
        entry_points=entry_points,
        python_requires='>={}'.format(__minimum_python_version__),
        **package_info
  )
  