Update watcher.py

watcher.py

@@ -1,61 +1,103 @@
+#!/usr/bin/env python3
+import sys
+import time
+import threading
 import os
 import subprocess
-import time
 from watchdog.observers import Observer
 from watchdog.events import FileSystemEventHandler
 
-WATCH_DIR = "/data"
+DEBOUNCE_DELAY = 2  # seconds to wait after last modification
 DEBUG = os.environ.get("DEBUG", "false").lower() == "true"
-MERGE_ALL = os.environ.get("MERGE_ALL", "false").lower() == "true"
 
-class NewBookHandler(FileSystemEventHandler):
-    def on_created(self, event):
-        if DEBUG:
-            print(f"📂 [DEBUG] Created: {event.src_path} (dir={event.is_directory})")
-        if event.is_directory:
-            self.process_new_dir(event.src_path)
+class WatcherHandler(FileSystemEventHandler):
+    def __init__(self):
+        super().__init__()
+        self.debounce_timers = {}       # path -> Timer
+        self.processed_folders = set()  # already processed folders
 
-    def on_moved(self, event):
-        if DEBUG:
-            print(f"📂 [DEBUG] Moved: {event.src_path} → {event.dest_path} (dir={event.is_directory})")
-        if event.is_directory:
-            self.process_new_dir(event.dest_path)
+    def on_any_event(self, event):
+        # Print all events
+        if event.event_type == "moved":
+            print(f"{'DIR' if event.is_directory else 'FILE'} MOVED: {event.src_path} -> {event.dest_path}")
+        else:
+            print(f"{'DIR' if event.is_directory else 'FILE'} {event.event_type.upper()}: {event.src_path}")
 
-    def on_modified(self, event):
-        if DEBUG:
-            print(f"📂 [DEBUG] Modified: {event.src_path} (dir={event.is_directory})")
+        # Only schedule processing for directories
+        if event.is_directory and event.event_type in ("created", "moved", "modified"):
+            path_to_process = event.dest_path if event.event_type == "moved" else event.src_path
+            self.schedule_process(path_to_process)
 
-    def on_deleted(self, event):
-        if DEBUG:
-            print(f"📂 [DEBUG] Deleted: {event.src_path} (dir={event.is_directory})")
+    def schedule_process(self, path):
+        """Debounce processing of a folder."""
+        if path in self.debounce_timers:
+            self.debounce_timers[path].cancel()
+
+        timer = threading.Timer(DEBOUNCE_DELAY, self.process_new_dir, args=[path])
+        self.debounce_timers[path] = timer
+        timer.start()
 
     def process_new_dir(self, path):
-        # find .m4b files in this new book directory
+        """Called after folder is stable for DEBOUNCE_DELAY seconds."""
+        if path in self.debounce_timers:
+            del self.debounce_timers[path]
+
+        if not os.path.exists(path):
+            if DEBUG:
+                print(f"⚠️ Skipping {path}, folder no longer exists")
+            return
+
+        # Check if folder has .m4b files
         m4b_files = [
             f for f in os.listdir(path)
             if os.path.isfile(os.path.join(path, f)) and f.lower().endswith(".m4b") and not f.startswith("._")
         ]
 
-        if MERGE_ALL and len(m4b_files) <= 1:
+        if not m4b_files:
             if DEBUG:
-                print(f"⚠️ [DEBUG] Skipping {path}, only {len(m4b_files)} file(s).")
+                print(f"❌ No .m4b files in {path}, skipping")
             return
 
-        book_name = os.path.basename(path)
-        print(f"📕 New book detected: {book_name} at {path} ({len(m4b_files)} file(s))")
+        # Avoid re-processing the same folder
+        if path in self.processed_folders:
+            if DEBUG:
+                print(f"⚠️ Folder already processed: {path}")
+            return
+        self.processed_folders.add(path)
 
-        subprocess.run(["python3", "main.py", "-da", path], check=True)
+        print(f"📂 Folder ready: {path} contains {len(m4b_files)} .m4b file(s)")
 
-if __name__ == "__main__":
-    print(f"👀 Watching {WATCH_DIR} for new books...")
+        # Run main.py -da
+        try:
+            subprocess.run(["python3", "main.py", "-da", path], check=True)
+            print(f"✅ Processed folder: {path}")
+        except subprocess.CalledProcessError as e:
+            print(f"❌ Error processing folder {path}: {e}")
+
+def main():
+    if len(sys.argv) < 2:
+        print(f"Usage: {sys.argv[0]} /path/to/watch")
+        sys.exit(1)
+
+    watch_path = sys.argv[1]
+
+    if not os.path.exists(watch_path):
+        print(f"❌ Path does not exist: {watch_path}")
+        sys.exit(1)
+
+    event_handler = WatcherHandler()
     observer = Observer()
-    event_handler = NewBookHandler()
-    observer.schedule(event_handler, WATCH_DIR, recursive=True)
+    observer.schedule(event_handler, watch_path, recursive=True)
     observer.start()
 
+    print(f"👀 Watching: {watch_path}")
     try:
         while True:
             time.sleep(1)
     except KeyboardInterrupt:
         observer.stop()
     observer.join()
+
+
+if __name__ == "__main__":
+    main()