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bpo-37470: Document more clearly the error handling for QueueHandler.… #14532

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Jul 1, 2019
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bpo-37470: Document more clearly the error handling for QueueHandler.… #14532

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7 changes: 6 additions & 1 deletion Doc/library/logging.handlers.rst
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Expand Up @@ -1001,7 +1001,12 @@ possible, while any potentially slow operations (such as sending an email via

.. method:: emit(record)

Enqueues the result of preparing the LogRecord.
Enqueues the result of preparing the LogRecord. Should an exception
occur (e.g. because a bounded queue has filled up), the
:meth:`~logging.Handler.handleError` method is called to handle the
error. This can result in the record silently being dropped (if
:attr:`logging.raiseExceptions` is ``False``) or a message printed to
``sys.stderr`` (if :attr:`logging.raiseExceptions` is ``True``).

.. method:: prepare(record)

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