python logging close and application exit

Question

I am using the logging module in an application and it occurred to me that it would be neat if the logging module supported a method which would gracefully close file handles etc and then close the application.

For example:

logger = logging.getLogger('my_app')
logger.fatal("We're toast!")

the fatal method (or some such) would then:

log the message as normal
logging.shutdown()
Call sys.exit(1)

Thoughts? Does something like this exist? Is this a bad idea?

Why do I want this? Well there are a few places in my code where I want the app to die and it seems a waste to keep repeating the code to do 2 and 3.

If it's just two-three lines, just write a small function for it? — Stiffo
– Stiffo, Commented Jul 29, 2015 at 13:16
@Stiffo Yup I'd say I'll probably have to do that alright. I was just wondering if there was something I was missing... it seems like quite an intuitive method to have. — Gregory Kuhn
– Gregory Kuhn, Commented Jul 29, 2015 at 13:18

Wolph · Accepted Answer · 2015-07-29 13:17:43Z

3

Perhaps not the cleanest solution, but this springs to mind:

try:
    # Your main function
    main()
except:
    logger.exception('some message')
    sys.exit(1)

And in the actual code just raise any exception

Although that will give you a different logger. If it's just about the shutdown part, just use try/finally:

try:
    # do whatever here
    main()
finally:
    logging.shutdown()

answered Jul 29, 2015 at 13:17

Wolph

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