__init__.py 文件源码

def _ssl_wrap_socket(sock, key_file, cert_file, disable_validation,
                     ca_certs, ssl_version, hostname):
    if disable_validation:
        cert_reqs = ssl.CERT_NONE
    else:
        cert_reqs = ssl.CERT_REQUIRED
    if ssl_version is None:
        ssl_version = ssl.PROTOCOL_SSLv23

    if hasattr(ssl, 'SSLContext'):  # Python 2.7.9
        context = ssl.SSLContext(ssl_version)
        context.verify_mode = cert_reqs
        context.check_hostname = (cert_reqs != ssl.CERT_NONE)
        if cert_file:
            context.load_cert_chain(cert_file, key_file)
        if ca_certs:
            context.load_verify_locations(ca_certs)
        return context.wrap_socket(sock, server_hostname=hostname)
    else:
        return ssl.wrap_socket(sock, keyfile=key_file, certfile=cert_file,
                               cert_reqs=cert_reqs, ca_certs=ca_certs,
                               ssl_version=ssl_version)