import logging
import logging.handlers


formatter = logging.Formatter("%(asctime)s - %(levelname)-1s - %(name)s - %(message)s")
loggingLevel = logging.DEBUG
# Setting up rotating file handler
logFilename = 'c:\Temp\log.txt'
maxFileSize = 100 # Maximum file size in bytes
noOfRotatingFiles = 5       # Number of rotating files
rotFileHandler = logging.handlers.RotatingFileHandler(logFilename,
                                                      maxBytes = maxFileSize,
                                                      backupCount= noOfRotatingFiles)
rotFileHandler.setFormatter(formatter)
rotFileHandler.setLevel(loggingLevel)

logger = logging.getLogger('LogTest')
logger.setLevel(logging.DEBUG)
logger.addHandler(rotFileHandler)


for i in range(20):
    logger.info("Message # %d" %i)

logging.shutdown()