def all(*validators):
    def validate_all(fields):
        for validator in validators:
            errors = validator(fields)
            if errors:
                return errors

    validate_all.__doc__ = " and ".join(validator.__doc__ for validator in validators)
    return validate_all
request <peer> <method> <params>
dataset/ETHPy150Open timothycrosley/hug/hug/validate.py/all--crossover with--dataset/ETHPy150Open osrg/ryu/ryu/cmd/rpc_cli.py/Cmd.do_request