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"""
  MAC Types

"""
import binascii


def mactobinary(mac):
    """ Convert the : separated format into binary packet data for the API """
    return binascii.unhexlify(mac.replace(':', ''))


def binarytomac(binary):
    """ Convert binary packed data in a : separated string """
    x = b':'.join(binascii.hexlify(binary)[i:i + 2]
                  for i in range(0, 12, 2))
    return str(x.decode('ascii'))


class VppMacAddress():
    def __init__(self, addr):
        self._address = addr

    def encode(self):
        return {
            'bytes': self.bytes
        }

    @property
    def bytes(self):
        return mactobinary(self.address)

    @property
    def address(self):
        return self._address

    def __str__(self):
        return self.address

    def __eq__(self, other):
        if isinstance(other, self.__class__):
            return self.address == other.address
        elif hasattr(other, "bytes"):
            # vl_api_mac_addres_t
            return self.bytes == other.bytes
        else:
            raise TypeError("Comparing VppMacAddress:%s"
                            "with unknown type: %s" %
                            (self, other))
        return False