/usr/lib/python2.7/dist-packages/maasserver/models/macaddress.py is in python-django-maas 1.5.4+bzr2294-0ubuntu1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | # Copyright 2012 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""MACAddress model and friends."""
from __future__ import (
absolute_import,
print_function,
unicode_literals,
)
str = None
__metaclass__ = type
__all__ = [
'MACAddress',
]
import re
from django.db.models import (
ForeignKey,
ManyToManyField,
)
from maasserver import DefaultMeta
from maasserver.fields import (
MAC,
MACAddressField,
)
from maasserver.models.cleansave import CleanSave
from maasserver.models.managers import BulkManager
from maasserver.models.timestampedmodel import TimestampedModel
mac_re = re.compile(r'^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$')
class MACAddress(CleanSave, TimestampedModel):
"""A `MACAddress` represents a `MAC address`_ attached to a :class:`Node`.
:ivar mac_address: The MAC address.
:ivar node: The :class:`Node` related to this `MACAddress`.
:ivar networks: The networks related to this `MACAddress`.
.. _MAC address: http://en.wikipedia.org/wiki/MAC_address
"""
mac_address = MACAddressField(unique=True)
node = ForeignKey('Node', editable=False)
networks = ManyToManyField('maasserver.Network', blank=True)
objects = BulkManager()
class Meta(DefaultMeta):
verbose_name = "MAC address"
verbose_name_plural = "MAC addresses"
def __unicode__(self):
address = self.mac_address
if isinstance(address, MAC):
address = address.get_raw()
if isinstance(address, bytes):
address = address.decode('utf-8')
return address
def unique_error_message(self, model_class, unique_check):
if unique_check == ('mac_address',):
return "This MAC address is already registered."
return super(
MACAddress, self).unique_error_message(model_class, unique_check)
def get_networks(self):
"""Return networks to which this MAC is connected, sorted by name."""
return self.networks.all().order_by('name')
|