from flask import Flask, render_template from flask_socketio import SocketIO from flask_socketio import emit from flask_cors import CORS app = Flask(__name__) socketio = SocketIO(app, cors_allowed_origins="*") CORS(app) @app.route('/') def index(): return render_template('index.html') @socketio.on('message') def handle_message(data): emit('message', data, broadcast=True) if __name__ == '__main__': socketio.run(app, host='0.0.0.0', debug=True, allow_unsafe_werkzeug=True)