d64db265b3
This patch adopts to the following pycodestyle's checks; E275: missing whitespace after keyword E305: expected 2 blank lines after end of function or class Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
# Copyright (C) 2013 Nippon Telegraph and Telephone Corporation.
|
|
# Copyright (C) 2013 YAMAMOTO Takashi <yamamoto at valinux co jp>
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
|
|
# implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import netaddr
|
|
|
|
|
|
class AddressConverter(object):
|
|
def __init__(self, addr, strat, fallback=None, **kwargs):
|
|
self._addr = addr
|
|
self._strat = strat
|
|
self._fallback = fallback
|
|
self._addr_kwargs = kwargs
|
|
|
|
def text_to_bin(self, text):
|
|
try:
|
|
return self._addr(text, **self._addr_kwargs).packed
|
|
except Exception as e:
|
|
if self._fallback is None:
|
|
raise e
|
|
|
|
# text_to_bin is expected to return binary string under
|
|
# normal circumstances. See ofproto.oxx_fields._from_user.
|
|
ip = self._fallback(text, **self._addr_kwargs)
|
|
return ip.ip.packed, ip.netmask.packed
|
|
|
|
def bin_to_text(self, bin):
|
|
return str(self._addr(self._strat.packed_to_int(bin),
|
|
**self._addr_kwargs))
|
|
|
|
|
|
ipv4 = AddressConverter(netaddr.IPAddress, netaddr.strategy.ipv4,
|
|
fallback=netaddr.IPNetwork, version=4)
|
|
ipv6 = AddressConverter(netaddr.IPAddress, netaddr.strategy.ipv6,
|
|
fallback=netaddr.IPNetwork, version=6)
|
|
|
|
|
|
class mac_mydialect(netaddr.mac_unix):
|
|
word_fmt = '%.2x'
|
|
|
|
|
|
mac = AddressConverter(netaddr.EUI, netaddr.strategy.eui48, version=48,
|
|
dialect=mac_mydialect)
|