diff options
| -rw-r--r-- | Doc/library/logging.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst index b2f98d0373..f257643b72 100644 --- a/Doc/library/logging.rst +++ b/Doc/library/logging.rst @@ -2558,6 +2558,13 @@ initialized with the empty string, all events are passed. yes. If deemed appropriate, the record may be modified in-place by this method. +Note that filters attached to handlers are consulted whenever an event is +emitted by the handler, whereas filters attached to loggers are consulted +whenever an event is logged to the handler (using :meth:`debug`, :meth:`info`, +etc.) This means that events which have been generated by descendant loggers +will not be filtered by a logger's filter setting, unless the filter has also +been applied to those descendant loggers. + .. _log-record: LogRecord Objects |