File: setup.py

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#!/usr/bin/env python
# Licensed under a 3-clause BSD style license - see LICENSE.rst

import glob
import os
import sys

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', '')
DESCRIPTION = metadata.get('description', '')
AUTHOR = metadata.get('author', '')
AUTHOR_EMAIL = metadata.get('author_email', '')
LICENSE = metadata.get('license', 'unknown')
URL = metadata.get('url', '')

try:
    __minimum_python_version__ = metadata['minimum_python_version']
except KeyError:
    raise KeyError('minimum_python_version must be defined in setup.cfg')
try:
    __minimum_numpy_version__ = metadata['minimum_numpy_version']
except KeyError:
    raise KeyError('minimum_numpy_version must be defined in setup.cfg')

# 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: Photutils requires Python {} or later\n"
                     .format(__minimum_python_version__))
    sys.exit(1)

# Import ah_bootstrap after the python version validation
import ah_bootstrap  # noqa
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.distutils_helpers import is_distutils_display_option
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.dev0')

# 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/*')

# 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

# Make sure to have the packages needed for building photutils, but do
# not require them when installing from an sdist as the .c files are
# included there.
setup_requires = ['numpy>={}'.format(__minimum_numpy_version__)]
if not os.path.exists(os.path.join(os.path.dirname(__file__), 'PKG-INFO')):
    setup_requires.extend(['cython>=0.21'])

# Avoid installing setup_requires dependencies if the user just
# queries for information
if is_distutils_display_option():
    setup_requires = []

install_requires = [s.strip() for s in metadata.get(
    'install_requires', 'astropy').split(',')]

setup(name=PACKAGENAME,
      version=VERSION,
      description=DESCRIPTION,
      scripts=scripts,
      setup_requires=setup_requires,
      install_requires=install_requires,
      author=AUTHOR,
      author_email=AUTHOR_EMAIL,
      license=LICENSE,
      url=URL,
      long_description=LONG_DESCRIPTION,
      keywords=['astronomy', 'astrophysics', 'photometry', 'aperture', 'psf',
                'source detection', 'background', 'segmentation', 'centroids',
                'isophote', 'morphology'],
      classifiers=[
          'Intended Audience :: Science/Research',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: C',
          'Programming Language :: Cython',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: Implementation :: CPython',
          'Topic :: Scientific/Engineering :: Astronomy',
      ],
      cmdclass=cmdclassd,
      zip_safe=False,
      use_2to3=False,
      entry_points=entry_points,
      python_requires='>={}'.format(__minimum_python_version__),
      **package_info)