Python logging configuration (to console and file, adapted from python-guide.org)
[loggers]
keys=root
[handlers]
keys=stream_handler,file_handler
[formatters]
keys=formatter
[logger_root]
level=DEBUG
handlers=stream_handler,file_handler
[handler_stream_handler]
class=StreamHandler
level=INFO
formatter=formatter
args=(sys.stderr,)
[handler_file_handler]
class=logging.handlers.RotatingFileHandler
level=DEBUG
formatter=formatter
args=("filename.log", 'a', 1000*1000)
[formatter_formatter]
format=%(asctime)s %(name)-12s %(levelname)-8s %(message)s