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from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler
import subprocess
import time
import sys
class AppReloader(FileSystemEventHandler):
def __init__(self):
self.process = None
self.start_app()
def start_app(self):
if self.process:
self.process.terminate()
self.process.wait()
print("\n--- Restarting app.py ---\n")
self.process = subprocess.Popen([sys.executable, "app.py"])
def on_modified(self, event):
if event.src_path.endswith('app.py'):
self.start_app()
if __name__ == "__main__":
event_handler = AppReloader()
observer = Observer()
observer.schedule(event_handler, path='.', recursive=False)
observer.start()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
observer.stop()
if event_handler.process:
event_handler.process.terminate()
observer.join() |