the high priority messages in the queue

the medium priority messages in the queue

create a log entry for an attempt to send the given message and record the given result and (optionally) a log message

>>> lock = LockBase('somefile') >>> lock = LockBase('somefile', threaded=False)

Acquire the lock. * If timeout is omitted (or None), wait forever trying to lock the file. * If timeout > 0, try

the low priority messages in the queue

Release the lock. If the file is not locked, raise NotLocked.

Send all eligible messages in the queue.

the deferred messages in the queue

is the given address on the don't send list?

the messages in the queue not deferred

Yield the messages in the queue in the order they should be sent.

Context manager support.

Context manager support.

>>> lock = MkdirFileLock('somefile') >>> lock = MkdirFileLock('somefile', threaded=False)

Remove a lock. Useful if a locking thread failed to unlock.

Return True if this object is locking the file.

Tell whether or not the file is locked.

Loop indefinitely, checking queue at intervals of EMPTY_QUEUE_SLEEP and sending messages if any are on queue.