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| author | Vinay Sajip <vinay_sajip@yahoo.co.uk> | 2019-07-01 19:45:01 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-07-01 19:45:01 (GMT) |
| commit | 0f4e8132820947d93eccf31b9e526b81c6ffa53d (patch) | |
| tree | a564ad25ab092a72b122ba41a96ed863aeb71af7 /Doc/library/logging.handlers.rst | |
| parent | 67310023f299b5a2fad71fca449b46d280036690 (diff) | |
| download | cpython-0f4e8132820947d93eccf31b9e526b81c6ffa53d.zip cpython-0f4e8132820947d93eccf31b9e526b81c6ffa53d.tar.gz cpython-0f4e8132820947d93eccf31b9e526b81c6ffa53d.tar.bz2 | |
bpo-37470: Document more clearly the error handling for QueueHandler.emit(). (GH-14532)
Diffstat (limited to 'Doc/library/logging.handlers.rst')
| -rw-r--r-- | Doc/library/logging.handlers.rst | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Doc/library/logging.handlers.rst b/Doc/library/logging.handlers.rst index 592d7e5..b7445a1 100644 --- a/Doc/library/logging.handlers.rst +++ b/Doc/library/logging.handlers.rst @@ -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) |