[issue31732] Add TRACE level to the logging module

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Perhaps a recipe should be published to explain how to add your own levels?

>>> import logging
>>> logging.NOTE = logging.INFO + 5
>>> logging.addLevelName(logging.INFO + 5, 'NOTE')
>>> class MyLogger(logging.getLoggerClass()):
...:    def note(self, msg, *args, **kwargs):
...:        self.log(logging.NOTE, msg, *args, **kwargs)
...:        
>>> logging.setLoggerClass(MyLogger)

>>> logging.basicConfig(level=logging.INFO)
>>> logger.note("hello %s", "Guido")
NOTE:foo:hello Guido

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue31732>
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