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Fixed #30553 -- Clarified the default value of disable_existing_loggers.

This commit is contained in:
swatantra 2019-06-10 00:58:30 +05:30 committed by Mariusz Felisiak
parent 3ee0834a46
commit 03cd3d137e
1 changed files with 9 additions and 9 deletions
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18
docs/topics/logging.txt
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@ -218,15 +218,15 @@ default logging configuration <default-logging-configuration>` using the
following scheme.
If the ``disable_existing_loggers`` key in the :setting:`LOGGING` dictConfig is
set to ``True`` (which is the default) then all loggers from the default
configuration will be disabled. Disabled loggers are not the same as removed;
the logger will still exist, but will silently discard anything logged to it,
not even propagating entries to a parent logger. Thus you should be very
careful using ``'disable_existing_loggers': True``; it's probably not what you
want. Instead, you can set ``disable_existing_loggers`` to ``False`` and
redefine some or all of the default loggers; or you can set
:setting:`LOGGING_CONFIG` to ``None`` and :ref:`handle logging config yourself
<disabling-logging-configuration>`.
set to ``True`` (which is the ``dictConfig`` default if the key is missing)
then all loggers from the default configuration will be disabled. Disabled
loggers are not the same as removed; the logger will still exist, but will
silently discard anything logged to it, not even propagating entries to a
parent logger. Thus you should be very careful using
``'disable_existing_loggers': True``; it's probably not what you want. Instead,
you can set ``disable_existing_loggers`` to ``False`` and redefine some or all
of the default loggers; or you can set :setting:`LOGGING_CONFIG` to ``None``
and :ref:`handle logging config yourself <disabling-logging-configuration>`.
Logging is configured as part of the general Django ``setup()`` function.
Therefore, you can be certain that loggers are always ready for use in your