http://hg.python.org/cpython/rev/a5c26e57f429 changeset: 87594:a5c26e57f429 branch: 3.3 parent: 87591:8662734296a0 user: Serhiy Storchaka <storchaka@gmail.com> date: Tue Nov 26 22:47:16 2013 +0200 summary: Issue #11508: Fixed uuid.getnode() and uuid.uuid1() on environment with virtual interface. Original patch by Kent Frazier. files: Lib/test/test_uuid.py | 21 +++++++++++++++++++++ Lib/uuid.py | 12 ++++++++++-- Misc/ACKS | 1 + Misc/NEWS | 3 +++ 4 files changed, 35 insertions(+), 2 deletions(-) diff --git a/Lib/test/test_uuid.py b/Lib/test/test_uuid.py --- a/Lib/test/test_uuid.py +++ b/Lib/test/test_uuid.py @@ -1,5 +1,7 @@ import unittest +from test import support import builtins +import io import os import uuid @@ -356,6 +358,25 @@ self.assertEqual(node1, node2) + def test_find_mac(self): + data = '''\ + +fake hwaddr +cscotun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 +eth0 Link encap:Ethernet HWaddr 12:34:56:78:90:ab +''' + def mock_popen(cmd): + return io.StringIO(data) + + with support.swap_attr(os, 'popen', mock_popen): + mac = uuid._find_mac( + command='ifconfig', + args='', + hw_identifiers=['hwaddr'], + get_index=lambda x: x + 1, + ) + self.assertEqual(mac, 0x1234567890ab) + @unittest.skipUnless(importable('ctypes'), 'requires ctypes') def test_uuid1(self): equal = self.assertEqual diff --git a/Lib/uuid.py b/Lib/uuid.py --- a/Lib/uuid.py +++ b/Lib/uuid.py @@ -327,8 +327,16 @@ words = line.lower().split() for i in range(len(words)): if words[i] in hw_identifiers: - return int( - words[get_index(i)].replace(':', ''), 16) + try: + return int( + words[get_index(i)].replace(':', ''), 16) + except (ValueError, IndexError): + # Virtual interfaces, such as those provided by + # VPNs, do not have a colon-delimited MAC address + # as expected, but a 16-byte HWAddr separated by + # dashes. These should be ignored in favor of a + # real MAC address + pass except IOError: continue return None diff --git a/Misc/ACKS b/Misc/ACKS --- a/Misc/ACKS +++ b/Misc/ACKS @@ -394,6 +394,7 @@ Andrew Francis Stefan Franke Martin Franklin +Kent Frazier Bruce Frederiksen Robin Friedrich Bradley Froehle diff --git a/Misc/NEWS b/Misc/NEWS --- a/Misc/NEWS +++ b/Misc/NEWS @@ -16,6 +16,9 @@ Library ------- +- Issue #11508: Fixed uuid.getnode() and uuid.uuid1() on environment with + virtual interface. Original patch by Kent Frazier. + - Issue #11489: JSON decoder now accepts lone surrogates. - Issue #19545: Avoid chained exceptions while passing stray % to -- Repository URL: http://hg.python.org/cpython