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Fix ResourceWarning for unclosed files (from os.popen)

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Brian Curtin 2010-10-31 01:10:58 +00:00
parent a9615d14de
commit bf0757137f
1 changed files with 7 additions and 7 deletions
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14
Lib/uuid.py
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@ -322,15 +322,15 @@ 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():