gost_requests

import requests
from requests.adapters import HTTPAdapter
from requests.packages.urllib3.util.ssl_ import create_urllib3_context

# https://stackoverflow.com/questions/40373115/how-to-select-specific-the-cipher-while-sending-request-via-python-request-modul
CIPHERS = (
    'ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+HIGH:'
    'DH+HIGH:RSA+AESGCM:RSA+AES:RSA+HIGH:!aNULL:!eNULL:!MD5:GOST2012-GOST8912-GOST8912'
)


class GOSTAdapter(HTTPAdapter):
    def init_poolmanager(self, *args, **kwargs):
        context = create_urllib3_context(ciphers=CIPHERS)
        kwargs['ssl_context'] = context
        return super(GOSTAdapter, self).init_poolmanager(*args, **kwargs)

    def proxy_manager_for(self, *args, **kwargs):
        context = create_urllib3_context(ciphers=CIPHERS)
        kwargs['ssl_context'] = context
        return super(GOSTAdapter, self).proxy_manager_for(*args, **kwargs)

s = requests.Session()
s.verify = '/etc/ssl/certs/ca-certificates.crt'
s.mount('https://somegostsite', GOSTAdapter())
r = s.get('https://somegostsite')
print(r.text)