diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst index 5a700c72800..1ea76f10726 100644 --- a/Doc/library/logging.rst +++ b/Doc/library/logging.rst @@ -524,6 +524,9 @@ decides to actually dispatch an event, the :meth:`emit` method is used to send the message to its destination. Most user-defined subclasses of :class:`Handler` will need to override this :meth:`emit`. +Useful Handlers +--------------- + In addition to the base :class:`Handler` class, many useful subclasses are provided: @@ -532,40 +535,42 @@ provided: #. :class:`FileHandler` instances send error messages to disk files. -#. :class:`handlers.BaseRotatingHandler` is the base class for handlers that +#. :class:`BaseRotatingHandler` is the base class for handlers that rotate log files at a certain point. It is not meant to be instantiated directly. Instead, use :class:`RotatingFileHandler` or :class:`TimedRotatingFileHandler`. -#. :class:`handlers.RotatingFileHandler` instances send error messages to disk files, - with support for maximum log file sizes and log file rotation. +#. :class:`RotatingFileHandler` instances send error messages to disk + files, with support for maximum log file sizes and log file rotation. -#. :class:`handlers.TimedRotatingFileHandler` instances send error messages to disk files - rotating the log file at certain timed intervals. +#. :class:`TimedRotatingFileHandler` instances send error messages to + disk files, rotating the log file at certain timed intervals. -#. :class:`handlers.SocketHandler` instances send error messages to TCP/IP sockets. +#. :class:`SocketHandler` instances send error messages to TCP/IP + sockets. -#. :class:`handlers.DatagramHandler` instances send error messages to UDP sockets. +#. :class:`DatagramHandler` instances send error messages to UDP + sockets. -#. :class:`handlers.SMTPHandler` instances send error messages to a designated email - address. +#. :class:`SMTPHandler` instances send error messages to a designated + email address. -#. :class:`handlers.SysLogHandler` instances send error messages to a Unix syslog daemon, - possibly on a remote machine. +#. :class:`SysLogHandler` instances send error messages to a Unix + syslog daemon, possibly on a remote machine. -#. :class:`handlers.NTEventLogHandler` instances send error messages to a Windows - NT/2000/XP event log. +#. :class:`NTEventLogHandler` instances send error messages to a + Windows NT/2000/XP event log. -#. :class:`handlers.MemoryHandler` instances send error messages to a buffer in memory, - which is flushed whenever specific criteria are met. +#. :class:`MemoryHandler` instances send error messages to a buffer + in memory, which is flushed whenever specific criteria are met. -#. :class:`handlers.HTTPHandler` instances send error messages to an HTTP server using - either ``GET`` or ``POST`` semantics. +#. :class:`HTTPHandler` instances send error messages to an HTTP + server using either ``GET`` or ``POST`` semantics. -#. :class:`handlers.WatchedFileHandler` instances watch the file they are logging to. If -the file changes, it is closed and reopened using the file name. This handler -is only useful on Unix-like systems; Windows does not support the underlying -mechanism used. +#. :class:`WatchedFileHandler` instances watch the file they are + logging to. If the file changes, it is closed and reopened using the file + name. This handler is only useful on Unix-like systems; Windows does not + support the underlying mechanism used. #. :class:`NullHandler` instances do nothing with error messages. They are used by library developers who want to use logging, but want to avoid the "No @@ -602,6 +607,9 @@ The basic :class:`Filter` functionality allows filtering by specific logger name. If this feature is used, messages sent to the named logger and its children are allowed through the filter, and all others dropped. +Module-Level Functions +---------------------- + In addition to the classes described above, there are a number of module- level functions.