old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import os
  import sys
  import requests
  from requests.compat import is_py3, is_py2
  
  try:
      from setuptools import setup
  except ImportError:
      from distutils.core import setup
  
  
  
  if sys.argv[-1] == 'publish':
      os.system('python setup.py sdist upload')
      sys.exit()
  
  if sys.argv[-1] == 'test':
      os.system('python tests/test_requests.py')
      sys.exit()
  
  required = ['certifi>=0.0.7']
  packages = [
      'requests',
      'requests.packages',
      'requests.packages.urllib3',
      'requests.packages.urllib3.packages',
      'requests.packages.urllib3.packages.ssl_match_hostname',
      'requests.packages.urllib3.packages.mimetools_choose_boundary',
  ]
  
  if is_py3:
      required.append('chardet2')
  else:
      required.append('chardet>=1.0.0')
      required.append('oauthlib')
      packages.append('requests.packages.oreos')
  
  setup(
      name='requests',
      version=requests.__version__,
      description='Python HTTP for Humans.',
      long_description=open('README.rst').read() + '\n\n' +
                       open('HISTORY.rst').read(),
      author='Kenneth Reitz',
      author_email='me@kennethreitz.com',
      url='http://python-requests.org',
      packages=packages,
      package_data={'': ['LICENSE', 'NOTICE']},
      include_package_data=True,
      install_requires=required,
      license=open("LICENSE").read(),
      classifiers=(
          'Development Status :: 5 - Production/Stable',
          'Intended Audience :: Developers',
          'Natural Language :: English',
          'License :: OSI Approved :: ISC License (ISCL)',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.0',
          'Programming Language :: Python :: 3.1',
      ),
  )
  
new_contents: #!/usr/bin/env python
  
  """
  distutils/setuptools install script. See inline comments for packaging documentation.
  """
  
  import sys
  
  import requests
  from requests.compat import is_py3
  
  try:
      from setuptools import setup
  except ImportError:
      from distutils.core import setup
  
  if sys.argv[-1] == 'publish':
      os.system('python setup.py sdist upload')
      sys.exit()
  
  packages = [
      'requests',
      'requests.packages',
      'requests.packages.urllib3',
      'requests.packages.urllib3.packages',
      'requests.packages.urllib3.packages.ssl_match_hostname',
      'requests.packages.urllib3.packages.mimetools_choose_boundary',
  ]
  
  # certifi is a Python package containing a CA certificate bundle for SSL verification.
  # On certain supported platforms (e.g., Red Hat / Debian / FreeBSD), Requests can
  # use the system CA bundle instead; see `requests.utils` for details.
  # If your platform is supported, set `requires` to [] instead:
  requires = ['certifi>=0.0.7']
  
  # chardet is used to optimally guess the encodings of pages that don't declare one.
  # At this time, chardet is not a required dependency. However, it's sufficiently
  # important that pip/setuptools should install it when it's unavailable.
  if is_py3:
      chardet_package = 'chardet2'
  else:
      chardet_package = 'chardet>=1.0.0'
  requires.append(chardet_package)
  
  # The async API in requests.async requires the gevent package.
  # This is also not a required dependency.
  extras_require = {
          'async': ['gevent'],
  }
  
  setup(
      name='requests',
      version=requests.__version__,
      description='Python HTTP for Humans.',
      long_description=open('README.rst').read() + '\n\n' +
                       open('HISTORY.rst').read(),
      author='Kenneth Reitz',
      author_email='me@kennethreitz.com',
      url='http://python-requests.org',
      packages=packages,
      package_data={'': ['LICENSE', 'NOTICE']},
      include_package_data=True,
      install_requires=requires,
      extras_require=extras_require,
      license=open("LICENSE").read(),
      classifiers=(
          'Development Status :: 5 - Production/Stable',
          'Intended Audience :: Developers',
          'Natural Language :: English',
          'License :: OSI Approved :: ISC License (ISCL)',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2.6',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.0',
          'Programming Language :: Python :: 3.1',
      ),
  )
  
subject: Change setup.py to reflect required/optional dependencies