setup.py

#!/usr/bin/env python

try:
    from setuptools import setup, Extension
except ImportError:
    from distutils.core import setup, Extension
import sys
import os

VERSION = "1.6"

copy_args = sys.argv[1:]

# Allow building without the C extension
build_ext = True
if '--without-ext' in copy_args:
    build_ext = False
    copy_args.remove('--without-ext')

if sys.platform == 'win32':
    # Our use of strdup, strerror should be safe - no need for the Windows
    # compiler to warn about it; we want to use the POSIX name for strdup too
    cargs = ['-D_CRT_SECURE_NO_WARNINGS', '-D_CRT_NONSTDC_NO_WARNINGS']
else:
    cargs = []

if build_ext:
    # Use pre-built SWIG wrappers for stable releases so that end users
    # don't need SWIG installed
    wrap = "src/ihm_format_wrap_%s.c" % VERSION
    if not os.path.exists(wrap):
        wrap = "src/ihm_format.i"
    mod = [Extension("ihm._format",
                     sources=["src/ihm_format.c", wrap],
                     include_dirs=['src'],
                     extra_compile_args=cargs,
                     swig_opts=['-keyword', '-nodefaultctor',
                                '-nodefaultdtor', '-noproxy'])]
else:
    mod = []

with open("README.md", "r") as fh:
    long_description = fh.read()

setup(name='ihm',
      version=VERSION,
      script_args=copy_args,
      description='Package for handling IHM mmCIF and BinaryCIF files',
      long_description=long_description,
      long_description_content_type="text/markdown",
      author='Ben Webb',
      author_email='ben@salilab.org',
      url='https://github.com/ihmwg/python-ihm',
      ext_modules=mod,
      packages=['ihm', 'ihm.util'],
      install_requires=['msgpack'],
      classifiers=[
          "Programming Language :: Python :: 2.7",
          "Programming Language :: Python :: 3",
          "License :: OSI Approved :: MIT License",
          "Operating System :: OS Independent",
          "Intended Audience :: Science/Research",
          "Topic :: Scientific/Engineering",
      ])