text: import os.path
  
  import setuptools
  
  root_dir = os.path.abspath(os.path.dirname(__file__))
  
  about = {}
  about_file = os.path.join(root_dir, "src", "aiortc", "about.py")
  with open(about_file, encoding="utf-8") as fp:
      exec(fp.read(), about)
  
  readme_file = os.path.join(root_dir, "README.rst")
  with open(readme_file, encoding="utf-8") as f:
      long_description = f.read()
  
  cffi_modules = [
      "src/_cffi_src/build_opus.py:ffibuilder",
      "src/_cffi_src/build_vpx.py:ffibuilder",
  ]
  install_requires = [
      "aioice>=0.7.0,<0.8.0",
      "av>=8.0.0,<9.0.0",
      "cffi>=1.0.0",
      "crc32c>=2.1",
      "cryptography>=2.2",
      'dataclasses; python_version < "3.7"',
      "pyee>=6.0.0",
      "pylibsrtp>=0.5.6",
  ]
  
  if os.environ.get("READTHEDOCS") == "True":
      cffi_modules = []
      install_requires = list(filter(lambda x: not x.startswith("av"), install_requires))
  
  setuptools.setup(
      name=about["__title__"],
      version=about["__version__"],
      description=about["__summary__"],
      long_description=long_description,
      url=about["__uri__"],
      author=about["__author__"],
      author_email=about["__email__"],
      license=about["__license__"],
      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 :: 3.6",
          "Programming Language :: Python :: 3.7",
          "Programming Language :: Python :: 3.8",
          "Programming Language :: Python :: 3.9",
      ],
      cffi_modules=cffi_modules,
      package_dir={"": "src"},
      packages=["aiortc", "aiortc.codecs", "aiortc.contrib"],
      setup_requires=["cffi>=1.0.0"],
      install_requires=install_requires,
  )
  