Function _create_https_context

Lib/http/client.py:829–839

(http_version)

def _create_https_context(http_version):
    # Function also used by urllib.request to be able to set the check_hostname
    # attribute on a context object.
    context = ssl._create_default_https_context()
    # send ALPN extension to indicate HTTP/1.1 protocol
    if http_version == 11:
        context.set_alpn_protocols(['http/1.1'])
    # enable PHA for TLS 1.3 connections if available
    if context.post_handshake_auth is not None:
        context.post_handshake_auth = True
    return context


class HTTPConnection: