Working Ninja
2016-11-21T23:42:35
import logging

logging_config = {
    'filename': '/var/log/app_log',
    'format': '%(asctime)s [%(levelname)s] %(message)s',
    'level': logging.INFO
}
logging.basicConfig(**logging_config)

logging.info('Our logged message.')

This will output the following to /var/log/app_log:

2016-11-21 23:50:53,677 [INFO] Our logged message.

Source: https://docs.python.org/2/howto ...

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2017-08-27T08:56:34

Here's how I set up logging where:

  • Log files rotate nightly (at midnight).
  • We keep 10 total log files (as history).
import logging
import os

# Set up logging
logger = logging.getLogger(__file__)
handler_kwargs = {
    'filename': os.path.join(base_dir, 'file.log'),
    'when': 'midnight',
    'backupCount': 10
}
handler = handlers.TimedRotatingFileHandler(**handler_kwargs)
formatter = logging ...

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