hupper

import hupper import os import datetime import time def worker_func(): """This function contains the main application logic, re-executed on reload.""" now = datetime.datetime.now() print(f"Worker process active at {now}. Edit 'my_app.py' to trigger reload.") # In a real application, this would be your main application loop # (e.g., a web server, a background task). For this example, we just # sleep briefly to demonstrate the worker's lifecycle. try: while True: time.sleep(1) except KeyboardInterrupt: print("Worker received KeyboardInterrupt, shutting down.") def main(): if os.environ.get('HUPPER_RELOADER') != 'true': # This code runs in the *monitor* process print("Monitor: Starting reloader for 'my_app.worker_func'...") # The first call to start_reloader from the main process # forks a worker, starts monitoring, and never returns in this process. reloader = hupper.start_reloader('my_app.worker_func') # Optional: Watch additional files/directories # reloader.watch_files(['./config.ini']) print("Monitor: Reloader stopped.") # This line is usually not reached else: # This code runs in the *worker* process, after being forked by the monitor print("Worker: This is a reloaded worker process.") worker_func() if __name__ == '__main__': main()