Class MACField

scapy/fields.py:798–834

class MACField(Field[Optional[str], bytes]):
    def __init__(self, name, default):
        # type: (str, Optional[Any]) -> None
        Field.__init__(self, name, default, "6s")

    def i2m(self, pkt, x):
        # type: (Optional[Packet], Optional[str]) -> bytes
        if not x:
            return b"\0\0\0\0\0\0"
        try:
            y = mac2str(x)
        except (struct.error, OverflowError, ValueError):
            y = bytes_encode(x)
        return y

    def m2i(self, pkt, x):
        # type: (Optional[Packet], bytes) -> str
        return str2mac(x)

    def any2i(self, pkt, x):
        # type: (Optional[Packet], Any) -> str
        if isinstance(x, bytes) and len(x) == 6:
            return self.m2i(pkt, x)
        return cast(str, x)

    def i2repr(self, pkt, x):
        # type: (Optional[Packet], Optional[str]) -> str
        x = self.i2h(pkt, x)
        if x is None:
            return repr(x)
        if self in conf.resolve:
            x = conf.manufdb._resolve_MAC(x)
        return x

    def randval(self):
        # type: () -> RandMAC
        return RandMAC()


class LEMACField(MACField):