Raymond Hettinger <[email protected]> added the comment:
No need to be brusque with me. Vinay is the decision maker on this.
Overall, this seems rehash and second guess the discussions and decisions made
15 years ago when PEP 282 was accepted. At that time, it was decided that five
levels had advantages for learnability and usability, but that the levels
should be extendable to cover more specialized uses:
>>> import logging
>>> SEMI_IMPORTANT = 35
>>> logging.addLevelName(SEMI_IMPORTANT, 'SEMI_IMPORTANT')
>>> logging.log(SEMI_IMPORTANT, 'request backlog getting high')
SEMI_IMPORTANT:root:request backlog getting high
This effortless extendability let us avoid adding the whole zoo of names
sometimes used in other projects (FATAL, TRACE, NOTICE, FINE, FINER, FINEST).
As far as I can tell, this module has a 15 year track record of success and was
well thought-out from the outset. So there is no reason to suddenly be so
insistent that the module must change to accommodate your world view of how
everyone else should prioritize their log entries.
As a teacher, project leader, and coach, one thing I really like about Vinay's
design is that people seem to easily and naturally assign the correct rank
order to the existing five levels. Today, I asked some engineers where TRACE
or NOTICE would fit in and they were unsure. This indicates that adding new
levels will impact usability and make users worse off.
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<https://bugs.python.org/issue31732>
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