'Set the state of this request to be that expressed in these
PAPE arguments
@param args: The PAPE arguments without a namespace
@rtype: None
@raises ValueError: When the max_auth_age is not parseable as
an integer'

def parseExtensionArgs(self, args):

    self.preferred_auth_policies = []
    policies_str = args.get('preferred_auth_policies')
    if policies_str:
        for uri in policies_str.split('    '):
            if (uri not in self.preferred_auth_policies):
                self.preferred_auth_policies.append(uri)
    max_auth_age_str = args.get('max_auth_age')
    self.max_auth_age = None
    if max_auth_age_str:
        try:
            self.max_auth_age = int(max_auth_age_str)
        except ValueError:
            pass
