init

watch.py

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+import time
+from watchdog.observers import Observer
+from watchdog.events import FileSystemEventHandler
+import subprocess
+import sys
+import os
+import signal
+
+class FileChangeHandler(FileSystemEventHandler):
+    def __init__(self, app_process):
+        self.app_process = app_process
+        self.last_reload = time.time()
+        self.cooldown = 1  # Cooldown in seconds to prevent multiple reloads
+
+    def on_modified(self, event):
+        if event.is_directory:
+            return
+        
+        # Only watch Python files and module files
+        if not (event.src_path.endswith('.py') or event.src_path.endswith('.module')):
+            return
+
+        # Implement cooldown to prevent multiple reloads
+        current_time = time.time()
+        if current_time - self.last_reload < self.cooldown:
+            return
+
+        print(f"\n🔄 Detected change in {os.path.basename(event.src_path)}, restarting server...")
+        
+        # Kill the current process group
+        try:
+            os.killpg(os.getpgid(self.app_process.pid), signal.SIGTERM)
+        except:
+            pass
+        
+        # Start a new process
+        self.app_process = start_app()
+        self.last_reload = current_time
+
+def start_app():
+    return subprocess.Popen(
+        ['uvicorn', 'app:app', '--host', '0.0.0.0', '--port', '7275', '--log-level', 'info'],
+        preexec_fn=os.setsid
+    )
+
+def main():
+    app_process = start_app()
+    
+    # Set up file watching
+    event_handler = FileChangeHandler(app_process)
+    observer = Observer()
+    
+    # Watch the current directory and subdirectories
+    observer.schedule(event_handler, '.', recursive=True)
+    observer.start()
+
+    try:
+        while True:
+            time.sleep(1)
+    except KeyboardInterrupt:
+        observer.stop()
+        try:
+            os.killpg(os.getpgid(app_process.pid), signal.SIGTERM)
+        except:
+            pass
+        
+    observer.join()
+
+if __name__ == '__main__':
+    main()