[brotli]

[brotli:(os_name != "nt" or python_version >= "3") and platform_python_implementation != "CPython"]
brotlicffi>=0.8.0

[brotli:(os_name != "nt" or python_version >= "3") and platform_python_implementation == "CPython"]
brotli>=1.0.9

[brotli:os_name == "nt" and python_version < "3"]
brotlipy>=0.6.0

[secure]
certifi
cryptography>=1.3.4
idna>=2.0.0
pyOpenSSL>=0.14
urllib3-secure-extra

[secure:python_version == "2.7"]
ipaddress

[socks]
PySocks!=1.5.7,<2.0,>=1.5.6