New submission from Sebastian <[email protected]>:
In Python 3.6.3 I can do:
import logging
logger = logging.getLogger()
logger.setLevel(logging.INFO)
logger.info("this does not work")
logging.info("PARTY")
logger.info("this works")
And it outputs:
INFO:root:PARTY
INFO:root:this works
The line
logging.info("PARTY")
seems to add a handler which makes the last line work. This is very confusing
behavior as it is not obvious that a call to "logging.info" mutates the state
of the logging subsystem and affects subsequent logging calls.
----------
components: Library (Lib)
messages: 323224
nosy: oneofthose
priority: normal
severity: normal
status: open
title: Non obvious logging handler behaviour
versions: Python 3.6, Python 3.7
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Python tracker <[email protected]>
<https://bugs.python.org/issue34350>
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