[Python-checkins] r50897 - python/trunk/Lib/uuid.py
neal.norwitz
python-checkins at python.org
Fri Jul 28 09:21:27 CEST 2006
Author: neal.norwitz
Date: Fri Jul 28 09:21:27 2006
New Revision: 50897
Modified:
python/trunk/Lib/uuid.py
Log:
Try to find the MAC addr on various flavours of Unix. This seems hopeless.
The reduces the test_uuid failures, but there's still another method failing.
Modified: python/trunk/Lib/uuid.py
==============================================================================
--- python/trunk/Lib/uuid.py (original)
+++ python/trunk/Lib/uuid.py Fri Jul 28 09:21:27 2006
@@ -271,22 +271,48 @@
version = property(get_version)
-def _ifconfig_getnode():
- """Get the hardware address on Unix by running ifconfig."""
+def _find_mac(command, args, hw_identifiers, get_index):
import os
for dir in ['', '/sbin/', '/usr/sbin']:
try:
# LC_ALL to get English output, 2>/dev/null to
# prevent output on stderr
- cmd = 'LC_ALL=C %s 2>/dev/null' % os.path.join(dir, 'ifconfig')
+ executable = os.path.join(dir, command)
+ cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
pipe = os.popen(cmd)
except IOError:
continue
+
for line in pipe:
words = line.lower().split()
for i in range(len(words)):
- if words[i] in ['hwaddr', 'ether']:
- return int(words[i + 1].replace(':', ''), 16)
+ if words[i] in hw_identifiers:
+ return int(words[get_index(i)].replace(':', ''), 16)
+ return None
+
+def _ifconfig_getnode():
+ """Get the hardware address on Unix by running ifconfig."""
+
+ # This works on Linux ('' or '-a'), Tru64 ('-av'), but not all Unixes.
+ for args in ('', '-a', '-av'):
+ mac = _find_mac('ifconfig', args, ['hwaddr', 'ether'], lambda i: i+1)
+ if mac:
+ return mac
+
+ import socket
+ ip_addr = socket.gethostbyname(socket.gethostname())
+
+ # Try getting the MAC addr from arp based on our IP address (Solaris).
+ mac = _find_mac('arp', '-an', [ip_addr], lambda i: -1)
+ if mac:
+ return mac
+
+ # This might work on HP-UX.
+ mac = _find_mac('lanscan', '-ai', ['lan0'], lambda i: 0)
+ if mac:
+ return mac
+
+ return None
def _ipconfig_getnode():
"""Get the hardware address on Windows by running ipconfig.exe."""
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