From c89b734d3223615c6bd062be506ddd1b3079db2d Mon Sep 17 00:00:00 2001 From: Brian Curtin Date: Sun, 31 Oct 2010 01:16:45 +0000 Subject: [PATCH] Merged revisions 86009 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r86009 | brian.curtin | 2010-10-30 20:10:58 -0500 (Sat, 30 Oct 2010) | 2 lines Fix ResourceWarning for unclosed files (from os.popen) ........ --- Lib/uuid.py | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/Lib/uuid.py b/Lib/uuid.py index 259f1bbb0e7..4f8d539a90f 100644 --- a/Lib/uuid.py +++ b/Lib/uuid.py @@ -302,15 +302,15 @@ def _find_mac(command, args, hw_identifiers, get_index): # LC_ALL to get English output, 2>/dev/null to # prevent output on stderr cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args) - pipe = os.popen(cmd) + with os.popen(cmd) as pipe: + for line in pipe: + words = line.lower().split() + for i in range(len(words)): + if words[i] in hw_identifiers: + return int( + words[get_index(i)].replace(':', ''), 16) except IOError: continue - - for line in pipe: - words = line.lower().split() - for i in range(len(words)): - if words[i] in hw_identifiers: - return int(words[get_index(i)].replace(':', ''), 16) return None def _ifconfig_getnode():