352 of components: loggers, handlers, filters, and formatters.
354 * Loggers expose the interface that application code directly uses.
355 * Handlers send the log records (created by loggers) to the appropriate
361 Log event information is passed between loggers, handlers, filters and
365 class (hereafter called :dfn:`loggers`). Each instance has a name, and they are
367 separators. For example, a logger named 'scan' is the parent of loggers
371 A good convention to use when naming loggers is to use a module-level logger,
379 The root of the hierarchy of loggers is called the root logger. That's the
413 The flow of log event information in loggers and handlers is illustrated in the
418 Loggers  section in Advanced Logging Tutorial
472 will return a reference to the same logger object.  Loggers that are further
473 down in the hierarchical list are children of loggers higher up in the list.
474 For example, given a logger with a name of ``foo``, loggers with names of
477 Loggers have a concept of *effective level*. If a level is not explicitly set
485 Child loggers propagate messages up to the handlers associated with their
486 ancestor loggers. Because of this, it is unnecessary to define and configure
487 handlers for all the loggers an application uses. It is sufficient to
488 configure handlers for a top-level logger and create child loggers as needed.
589 1. Creating loggers, handlers, and formatters explicitly using Python
660     [loggers]
706    will cause any non-root loggers existing before the :func:`fileConfig`
756     loggers:
803 document how the library uses logging - for example, the names of loggers
824 library *foo* is done using loggers with names matching 'foo.x', 'foo.x.y',
835    than* :class:`~logging.NullHandler` *to your library's loggers*. This is
869 Levels can also be associated with loggers, being set either by the developer or
894 Just as for loggers, handlers can have levels associated with them. A handler's
997 Before deciding to process a message further, both loggers and handlers consult
1067    expensive than you'd like (e.g. for deeply nested loggers where an explicit