old_contents: #!/usr/bin/env python3
  
  import distutils
  import platform
  try:
    from setuptools import setup, Extension
  except ImportError:
    from distutils.core import setup, Extension
  
  long_desc = """This is a C extension module for Python which
  implements extended attributes manipulation. It is a wrapper on top
  of the attr C library - see attr(5)."""
  version = "0.6.1"
  author = "Iustin Pop"
  author_email = "iustin@k1024.org"
  libraries = []
  macros = [
      ("_XATTR_VERSION", '"%s"' % version),
      ("_XATTR_AUTHOR", '"%s"' % author),
      ("_XATTR_EMAIL", '"%s"' % author_email),
      ]
  setup(name = "pyxattr",
        version = version,
        description = "Filesystem extended attributes for python",
        long_description = long_desc,
        author = author,
        author_email = author_email,
        url = "http://pyxattr.k1024.org/",
        download_url = "http://pyxattr.k1024.org/downloads/",
        license = "LGPL",
        ext_modules = [Extension("xattr", ["xattr.c"],
                                 libraries=libraries,
                                 define_macros=macros,
                                 extra_compile_args=["-Wall", "-Werror", "-Wsign-compare"],
                                 )],
        test_suite = "test",
        platforms = ["Linux"],
        python_requires = ">=3.4",
        )
  
new_contents: #!/usr/bin/env python3
  
  import distutils
  import platform
  try:
    from setuptools import setup, Extension
  except ImportError:
    from distutils.core import setup, Extension
  
  long_desc = """This is a C extension module for Python which
  implements extended attributes manipulation. It is a wrapper on top
  of the attr C library - see attr(5)."""
  version = "0.6.1"
  author = "Iustin Pop"
  author_email = "iustin@k1024.org"
  libraries = []
  macros = [
      ("_XATTR_VERSION", '"%s"' % version),
      ("_XATTR_AUTHOR", '"%s"' % author),
      ("_XATTR_EMAIL", '"%s"' % author_email),
      ]
  setup(name = "pyxattr",
        version = version,
        description = "Filesystem extended attributes for python",
        long_description = long_desc,
        author = author,
        author_email = author_email,
        url = "http://pyxattr.k1024.org/",
        download_url = "http://pyxattr.k1024.org/downloads/",
        license = "LGPL",
        ext_modules = [Extension("xattr", ["xattr.c"],
                                 libraries=libraries,
                                 define_macros=macros,
                                 extra_compile_args=["-Wall", "-Werror", "-Wsign-compare"],
                                 )],
        test_suite = "test",
        platforms = ["Linux"],
        python_requires = ">=3.4",
        project_urls={
          "Bug Tracker": "https://github.com/iustin/bakonf/issues",
        },
        classifiers = [
          "Development Status :: 5 - Production/Stable",
          "Intended Audience :: Developers",
          "License :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)",
          "Programming Language :: Python :: 3 :: Only",
          "Programming Language :: Python :: Implementation :: CPython",
          "Programming Language :: Python :: Implementation :: PyPy",
          "Operating System :: MacOS :: MacOS X",
          "Operating System :: POSIX :: Linux",
          "Topic :: System :: Filesystems",
        ]
        )
  
subject: Expand setup.py configuration