'Loads client secrets from the given filename.'

def _load_client_secrets(self, filename):

    (client_type, client_info) = clientsecrets.loadfile(filename)
    if (client_type != clientsecrets.TYPE_WEB):
        raise ValueError('The    flow    specified    in    {0}    is    not    supported.'.format(client_type))
    self.client_id = client_info['client_id']
    self.client_secret = client_info['client_secret']
