old_contents: import ast
  import os.path
  
  from setuptools import find_packages, setup
  
  
  install_requires = [
      'pytoml >= 0.1.10, < 0.2.0',
      'setuptools',
      'tsukkomi >= 0.0.5',
  ]
  extras_require = {
      'flask': ['Flask', 'Werkzeug'],
      'celery': ['celery', 'kombu'],
  }
  all_extra_requires = [
      package
      for packages in extras_require.values()
      for package in packages
  ]
  tests_require = [
      'pytest >= 2.7.0',
  ] + all_extra_requires
  docs_require = [
      'Sphinx >= 1.4',
      'sphinx_rtd_theme',
  ] + all_extra_requires
  
  
  def get_version():
      with open(os.path.join('settei', 'version.py')) as f:
          tree = ast.parse(f.read(), f.name)
          for node in ast.walk(tree):
              if not (isinstance(node, ast.Assign) and len(node.targets) == 1):
                  continue
              target, = node.targets
              value = node.value
              if not (isinstance(target, ast.Name) and
                      target.id == 'VERSION_INFO' and
                      isinstance(value, ast.Tuple)):
                  continue
              elts = value.elts
              if any(not isinstance(elt, ast.Num) for elt in elts):
                  continue
              return '.'.join(str(elt.n) for elt in elts)
  
  
  setup(
      name='settei',
      version=get_version(),
      description='Configuration loader from a TOML file',
      license='Apache 2.0',
      author='Spoqa Creators',
      author_email='dev' '@' 'spoqa.com',
      packages=find_packages(),
      install_requires=install_requires,
      extras_require=dict(
          extras_require,
          tests=tests_require,
          docs=docs_require,
      ),
      tests_require=tests_require,
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'License :: OSI Approved :: Apache Software License',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3 :: Only',
          'Intended Audience :: Developers',
          'Topic :: Software Development',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'Topic :: Utilities',
      ]
  )
  
new_contents: import ast
  import os.path
  
  from setuptools import find_packages, setup
  
  
  install_requires = [
      'pytoml >= 0.1.10, < 0.2.0',
      'setuptools',
      'tsukkomi >= 0.0.5',
  ]
  extras_require = {
      'flask': ['Flask', 'Werkzeug'],
      'celery': ['celery', 'kombu'],
  }
  all_extra_requires = [
      package
      for packages in extras_require.values()
      for package in packages
  ]
  tests_require = [
      'pytest >= 2.7.0',
  ] + all_extra_requires
  docs_require = [
      'Sphinx >= 1.4',
      'sphinx_rtd_theme',
  ] + all_extra_requires
  
  
  def get_version():
      with open(os.path.join('settei', 'version.py')) as f:
          tree = ast.parse(f.read(), f.name)
          for node in ast.walk(tree):
              if not (isinstance(node, ast.Assign) and len(node.targets) == 1):
                  continue
              target, = node.targets
              value = node.value
              if not (isinstance(target, ast.Name) and
                      target.id == 'VERSION_INFO' and
                      isinstance(value, ast.Tuple)):
                  continue
              elts = value.elts
              if any(not isinstance(elt, ast.Num) for elt in elts):
                  continue
              return '.'.join(str(elt.n) for elt in elts)
  
  
  setup(
      name='settei',
      version=get_version(),
      description='Configuration loader from a TOML file',
      url='https://github.com/spoqa/settei',
      license='Apache 2.0',
      author='Spoqa Creators',
      author_email='dev' '@' 'spoqa.com',
      packages=find_packages(),
      install_requires=install_requires,
      extras_require=dict(
          extras_require,
          tests=tests_require,
          docs=docs_require,
      ),
      tests_require=tests_require,
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'License :: OSI Approved :: Apache Software License',
          'Programming Language :: Python :: 3.4',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3 :: Only',
          'Intended Audience :: Developers',
          'Topic :: Software Development',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'Topic :: Utilities',
      ]
  )
  
subject: Add url to package metadata