clean registry before registering

[photosort.git] / src / dirtrigger.py

diff --git a/src/dirtrigger.py b/src/dirtrigger.py
index 7978df3555dd663d10efe4aabaf3f61a82567ba2..1ef7e8bbf7e90cd8b1fe5114be48bfb28aab04ff 100644 (file)
--- 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