old_contents: #!/usr/bin/env 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, **kwargs):
          self._addr = addr
          self._strat = strat
          self._addr_kwargs = kwargs
  
      def text_to_bin(self, text):
          return self._addr(text, **self._addr_kwargs).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, version=4)
  ipv6 = AddressConverter(netaddr.IPAddress, netaddr.strategy.ipv6, version=6)
  
  
  class mac_mydialect(netaddr.mac_unix):
      word_fmt = '%.2x'
  mac = AddressConverter(netaddr.EUI, netaddr.strategy.eui48, version=48,
                         dialect=mac_mydialect)
  
  if __name__ == '__main__':
          def eq_(a, b):
              if a != b:
                  print a
                  print b
  
          l = ['127.0.0.1', '255.255.0.0']
          conv = ipv4
          b2t = conv.bin_to_text
          t2b = conv.text_to_bin
          for a in l:
              eq_(b2t(t2b(a)), a)
  
          l = ['ff02::1', 'fe80::f00b:a4ff:fe7d:f8ea', '::']
          conv = ipv6
          b2t = conv.bin_to_text
          t2b = conv.text_to_bin
          for a in l:
              eq_(b2t(t2b(a)), a)
  
          l = ['f2:0b:a4:01:0a:23']
          conv = mac
          b2t = conv.bin_to_text
          t2b = conv.text_to_bin
          for a in l:
              eq_(b2t(t2b(a)), a)
  
new_contents: # 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, **kwargs):
          self._addr = addr
          self._strat = strat
          self._addr_kwargs = kwargs
  
      def text_to_bin(self, text):
          return self._addr(text, **self._addr_kwargs).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, version=4)
  ipv6 = AddressConverter(netaddr.IPAddress, netaddr.strategy.ipv6, version=6)
  
  
  class mac_mydialect(netaddr.mac_unix):
      word_fmt = '%.2x'
  mac = AddressConverter(netaddr.EUI, netaddr.strategy.eui48, version=48,
                         dialect=mac_mydialect)
  
subject: remove embedded test code