def parse_authorization_header(authorization_header):
    auth_scheme = u'OAuth '
    if authorization_header.startswith(auth_scheme):
        authorization_header = authorization_header.replace(auth_scheme, u'', 1)
    items = parse_http_list(authorization_header)
    try:
        return parse_keqv_list(items).items()
    except ValueError:
        raise ValueError('Malformed authorization header')
Generates the GSSAPI authentication token with kerberos.
dataset/ETHPy150Open hzlf/openbroadcast/services/bcmon/requests/packages/oauthlib/oauth1/rfc5849/utils.py/parse_authorization_header--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/requests-kerberos-0.6.1/requests_kerberos/kerberos_.py/HTTPKerberosAuth.generate_request_header