blob: a1003812003a2c1172929cbe6ee8ab02afef4387 (
plain)
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
|
#!/usr/bin/env python
#
# Copyright (c) 2016 Cisco and/or its affiliates.
# 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 binascii
def mac_pton(s):
'''Convert MAC address as text to binary'''
return binascii.unhexlify(s.replace(':', ''))
def mac_ntop(binary):
'''Convert MAC address as binary to text'''
x = b':'.join(binascii.hexlify(binary)[i:i + 2]
for i in range(0, 12, 2))
return str(x.decode('ascii'))
class MACAddress():
def __init__(self, mac):
'''MAC Address as a text-string (aa:bb:cc:dd:ee:ff) or 6 bytes'''
# Of course Python 2 doesn't distinguish str from bytes
if type(mac) is bytes and len(mac) == 6:
self.mac_binary = mac
self.mac_string = mac_ntop(mac)
else:
self.mac_binary = mac_pton(mac)
self.mac_string = mac
@property
def packed(self):
return self.mac_binary
def __len__(self):
return 6
def __str__(self):
return self.mac_string
def __repr__(self):
return '%s(%s)' % (self.__class__.__name__, self.mac_string)
|
