Python netaddr 模块，mac_eui48() 实例源码

def test_serialization_with_eui_in_different_dialect(self, model):
        field = fields.MACAddressField()
        model.mac = netaddr.EUI('78-F8-82-B2-E5-5A', dialect=netaddr.mac_eui48)
        serialized = field.serialize('mac', model)
        assert serialized == '78:f8:82:b2:e5:5a'

def _win_query(v):
    v.dialect = netaddr.mac_eui48
    return str(v)


# ---- IP address and network filters ----

def _win_query(v):
    v.dialect = netaddr.mac_eui48
    return str(v)


# ---- IP address and network filters ----

def _win_query(v):
    v.dialect = netaddr.mac_eui48
    return str(v)


# ---- IP address and network filters ----

def hwaddr(value, query = '', alias = 'hwaddr'):
    ''' Check if string is a HW/MAC address and filter it '''

    try:
        v = netaddr.EUI(value)
    except:
        if query and query not in [ 'bool' ]:
            raise errors.AnsibleFilterError(alias + ': not a hardware address: %s' % value)

    if not query:
        if v:
            return value

    elif query == 'bool':
        if v:
            return True

    elif query in [ 'win', 'eui48' ]:
        v.dialect = netaddr.mac_eui48
        return str(v)

    elif query == 'unix':
        v.dialect = netaddr.mac_unix
        return str(v)

    elif query in [ 'pgsql', 'postgresql', 'psql' ]:
        v.dialect = netaddr.mac_pgsql
        return str(v)

    elif query == 'cisco':
        v.dialect = netaddr.mac_cisco
        return str(v)

    elif query == 'bare':
        v.dialect = netaddr.mac_bare
        return str(v)

    elif query == 'linux':
        v.dialect = mac_linux
        return str(v)

    else:
        raise errors.AnsibleFilterError(alias + ': unknown filter type: %s' % query)

    return False