old_contents: import os.path
  import sys
  
  import setuptools
  
  root_dir = os.path.abspath(os.path.dirname(__file__))
  readme_file = os.path.join(root_dir, 'README.rst')
  with open(readme_file, encoding='utf-8') as f:
      long_description = f.read()
  
  if os.environ.get('READTHEDOCS') == 'True':
      cffi_modules=[]
  else:
      cffi_modules=[
          'src/build_opus.py:ffibuilder',
          'src/build_vpx.py:ffibuilder',
      ]
  
  setuptools.setup(
      name='aiortc',
      version='0.9.6',
      description='An implementation of WebRTC and ORTC',
      long_description=long_description,
      url='https://github.com/jlaine/aiortc',
      author='Jeremy Lainé',
      author_email='jeremy.laine@m4x.org',
      license='BSD',
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Environment :: Web Environment',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
      ],
      cffi_modules=cffi_modules,
      packages=['aiortc', 'aiortc.codecs', 'aiortc.contrib'],
      setup_requires=['cffi'],
      install_requires=['aioice>=0.6.7,<0.7.0', 'attrs', 'crcmod', 'cryptography>=2.2', 'opencv-python', 'pyee', 'pylibsrtp>=0.5.6', 'pyopenssl'],
  )
  
new_contents: import os.path
  
  import setuptools
  
  root_dir = os.path.abspath(os.path.dirname(__file__))
  readme_file = os.path.join(root_dir, 'README.rst')
  with open(readme_file, encoding='utf-8') as f:
      long_description = f.read()
  
  if os.environ.get('READTHEDOCS') == 'True':
      cffi_modules = []
  else:
      cffi_modules = [
          'src/build_opus.py:ffibuilder',
          'src/build_vpx.py:ffibuilder',
      ]
  
  setuptools.setup(
      name='aiortc',
      version='0.9.6',
      description='An implementation of WebRTC and ORTC',
      long_description=long_description,
      url='https://github.com/jlaine/aiortc',
      author='Jeremy Lainé',
      author_email='jeremy.laine@m4x.org',
      license='BSD',
      classifiers=[
          'Development Status :: 5 - Production/Stable',
          'Environment :: Web Environment',
          'Intended Audience :: Developers',
          'License :: OSI Approved :: BSD License',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
      ],
      cffi_modules=cffi_modules,
      packages=['aiortc', 'aiortc.codecs', 'aiortc.contrib'],
      setup_requires=['cffi>=1.0.0'],
      install_requires=[
          'aioice>=0.6.7,<0.7.0',
          'attrs',
          'cffi>=1.0.0',
          'crcmod',
          'cryptography>=2.2',
          'opencv-python',
          'pyee',
          'pylibsrtp>=0.5.6',
          'pyopenssl',
      ],
  )
  
subject: add versioned dependency on cffi (fixes #62)