Hi,

On 2017年05月23日 16:05, IWAMOTO Toshihiro wrote:
> diff --git a/ryu/lib/ofctl_string.py b/ryu/lib/ofctl_string.py
> ...(snip)
> +
> +import re
> +
> +import ryu.exception
> +from ryu.lib.ofctl_utils import str_to_int
> +from ryu.ofproto import nicira_ext
> +

For pep8 happy, 2 blank lines expected here?


> +def nxm_field_name_to_ryu(field):
> +    """
> +    Convert an ovs-ofctl style NXM_/OXM_ field name to
> +    a ryu match field name.
> +    """
> +    prefix = field[:7]
> +    field = field[7:].lower()
> +    mapped_result = None
> +
> +    # TODO: handle "_W" suffix.

Stripping that suffix as following is not enough?
  field = field.rstrip('_W')
  prefix = field[:7]
  field = field[7:].lower()


> +class OfctlActionConverter(object):
> +
> ...(snip)
> +
> +    # NX actions
> +    @classmethod
> +    def resubmit(cls, ofproto, action_str):
> +        arg = action_str[len("resubmit"):]
> +        kwargs = {}
> +        try:
> +            if arg[0] == ':':
> +                kwargs['in_port'] = str_to_int(arg[1:])
> +            elif arg[0] == '(' and arg[-1] == ')':
> +                in_port, table_id = arg[1:-1].split(',')
> +                if in_port:
> +                    kwargs['in_port'] = str_to_int(in_port)
> +                if table_id:
> +                    kwargs['table_id'] = str_to_int(table_id)
> +            else:
> +                raise Exception
> +            return dict(NXActionResubmitTable=kwargs)
> +        except Exception:
> +            raise ryu.exception.OFPInvalidActionString(
> +                action_str=action)

"actions" is a typo of "action_str"?

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