old_contents: import sys
  from setuptools import setup
  import numpy
  from numpy.distutils.core import Extension
  import railgun
  from railgun import __author__, __version__, __license__
  
  setup(
      name='railgun',
      version=__version__,
      packages=['railgun'],
      description=('ctypes utilities for faster and easier '
                   'simulation programming in C and Python'),
      long_description=railgun.__doc__,
      author=__author__,
      author_email='aka.tkf@gmail.com',
      url='https://github.com/tkf/railgun',
      keywords='numerical simulation, research, ctypes, numpy, c',
      license=__license__,
      classifiers=[
          "Development Status :: 4 - Beta",
          "Intended Audience :: Science/Research",
          "Intended Audience :: Developers",
          "Operating System :: POSIX :: Linux",
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python",
          "Topic :: Scientific/Engineering",
          ],
      include_dirs = [numpy.get_include()],
      ext_modules=[
          Extension(
              'railgun.cstyle',
              sources=['src/cstylemodule.c'],
              extra_compile_args=["-fPIC", "-Wall"],
              ),
          ] if sys.version_info[0] == 2 else [],
      install_requires=[
          'numpy',
          'six',
      ],
      )
  
new_contents: from setuptools import setup
  import numpy
  from numpy.distutils.core import Extension
  import railgun
  from railgun import __author__, __version__, __license__
  
  setup(
      name='railgun',
      version=__version__,
      packages=['railgun'],
      description=('ctypes utilities for faster and easier '
                   'simulation programming in C and Python'),
      long_description=railgun.__doc__,
      author=__author__,
      author_email='aka.tkf@gmail.com',
      url='https://github.com/tkf/railgun',
      keywords='numerical simulation, research, ctypes, numpy, c',
      license=__license__,
      classifiers=[
          "Development Status :: 4 - Beta",
          "Intended Audience :: Science/Research",
          "Intended Audience :: Developers",
          "Operating System :: POSIX :: Linux",
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python",
          "Topic :: Scientific/Engineering",
          ],
      include_dirs = [numpy.get_include()],
      ext_modules=[
          Extension(
              'railgun.cstyle',
              sources=['src/cstylemodule.c'],
              extra_compile_args=["-fPIC", "-Wall"],
              ),
          ],
      install_requires=[
          'numpy',
          'six',
      ],
      )
  
subject: Install C extension for Python 3 as well