The RotatingFileHandler running on win 7 64-bit; py 2.7 is failing
when the script launches a process using subprocess.Popen. Works fine
if the subprocess is not launched
The exception thrown
Traceback (most recent call last):
File "C:\Python27\lib\logging\handlers.py", line 78, in emit
self.doRollover()
File "C:\Python27\lib\logging\handlers.py", line 141, in doRollover
os.rename(self.baseFilename, dfn)
WindowsError: [Error 32] The process cannot access the file because it
is being used by another process
Anyone have an idea how to fix this?
import os, sys
import logging
import logging.handlers
import subprocess
def chomp(s):
"remove trailing carriage return"
if s[-1:]=='\n': return s[:-1]
else: return s
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s %
(name)-2s %(levelname)-8s %(threadName)-12s %(message)s')
q5Logger = logging.getLogger('Q5')
logFileHandler = logging.handlers.RotatingFileHandler(filename='c:\
\logger\\q5.log', mode= 'a', maxBytes=100, backupCount=5)
logFileHandler.setFormatter(logging.Formatter('%(asctime)s %(name)-2s %
(levelname)-8s %(threadName)-12s %(message)s'))
logFileHandler.setLevel(logging.DEBUG)
q5Logger.addHandler(logFileHandler)
progOutput = subprocess.Popen(r'dir *.*', shell=True, bufsize=1000,
stdout=subprocess.PIPE).stdout
line = progOutput.readline()
while (line) != "":
q5Logger.info( chomp(line))
line = progOutput.readline()
rc = progOutput.close()
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