def _update(self):
newObservedFolders = set(self.directories)
if self.eventStreamRef is not None:
if newObservedFolders == self.observedFolders:
return
FSEventStreamStop(self.eventStreamRef)
FSEventStreamUnscheduleFromRunLoop(self.eventStreamRef,
CFRunLoopGetCurrent(),
kCFRunLoopDefaultMode)
FSEventStreamInvalidate(self.eventStreamRef)
self.observedFolders = newObservedFolders
if not newObservedFolders:
self.eventStreamRef = None
return
self.eventStreamRef = FSEventStreamCreate(None,
self._fsEventCallback,
None,
list(newObservedFolders),
kFSEventStreamEventIdSinceNow,
self.latency,
kFSEventStreamCreateFlagNone)
FSEventStreamScheduleWithRunLoop(self.eventStreamRef,
CFRunLoopGetCurrent(),
kCFRunLoopDefaultMode)
FSEventStreamStart(self.eventStreamRef)
def __remove_dir(self, path):
"""override of FSMonitor.__remove_dir()"""
if path in self.monitored_paths.keys():
streamRef = self.monitored_paths[path].fsmonitor_ref
# Stop, unschedule, invalidate and release the stream refs.
FSEventStreamStop(streamRef)
# We don't use FSEventStreamUnscheduleFromRunLoop prior to
# invalidating the stream, because invalidating the stream
# automatically unschedules the stream from all run loops.
FSEventStreamInvalidate(streamRef)
FSEventStreamRelease(streamRef)
del self.monitored_paths[path]
def run(self):
pool = AppKit.NSAutoreleasePool.alloc().init()
self._run_loop = CFRunLoopGetCurrent()
FSEventStreamScheduleWithRunLoop(self._stream_ref, self._run_loop,
kCFRunLoopDefaultMode)
if not FSEventStreamStart(self._stream_ref):
FSEventStreamInvalidate(self._stream_ref)
FSEventStreamRelease(self._stream_ref)
raise IOError('FSEvents. Could not start stream.')
CFRunLoopRun()
FSEventStreamStop(self._stream_ref)
FSEventStreamInvalidate(self._stream_ref)
FSEventStreamRelease(self._stream_ref)
del pool
self._queue.put(None)