X-Git-Url: http://git.treefish.org/~alex/photosort.git/blobdiff_plain/e7b340f1a05c4ef9a28a427d34ff12f14113c95c..refs/heads/locator:/src/dirtrigger.py diff --git a/src/dirtrigger.py b/src/dirtrigger.py index 7978df3..1ef7e8b 100644 --- a/src/dirtrigger.py +++ b/src/dirtrigger.py @@ -1,13 +1,15 @@ +import logging import threading import time -from watchdog.events import FileSystemEventHandler +from watchdog.events import DirDeletedEvent, FileDeletedEvent, FileSystemEventHandler from watchdog.observers import Observer class DirTrigger(FileSystemEventHandler): - COOL_TIME = 10 - MAX_TIME = 86400 - def __init__(self, dir_path): + def __init__(self, dir_path, cool_time, max_time): + self._dir_path = dir_path + self._cool_time = cool_time + self._max_time = max_time self._got_event = False self._last_event_time = 0.0 self._last_reset_time = 0.0 @@ -16,7 +18,10 @@ class DirTrigger(FileSystemEventHandler): self._observer.schedule(self, path=dir_path, recursive=True) def start(self): - self._observer.start() + try: + self._observer.start() + except Exception as e: + logging.warning("Error starting file observer for %s: %s", self._dir_path, str(e)) def stop(self): self._observer.stop() @@ -24,17 +29,25 @@ class DirTrigger(FileSystemEventHandler): def is_triggering(self): self._lock.acquire() try: + now = time.time() return ( self._got_event and - (time.time() - self._last_event_time > DirTrigger.COOL_TIME) ) or \ - time.time() - self._last_reset_time > DirTrigger.MAX_TIME + (now - self._last_event_time > self._cool_time) ) or \ + now - self._last_reset_time > self._max_time finally: self._lock.release() def reset(self): - self._got_event = False - self._last_reset_time = time.time() + self._lock.acquire() + try: + self._got_event = False + self._last_reset_time = time.time() + finally: + self._lock.release() def on_any_event(self, event): + if event.event_type == FileDeletedEvent or event.event_type == DirDeletedEvent: + return + self._lock.acquire() try: self._got_event = True