from flask import Flask, render_template from flask_socketio import SocketIO, emit app = Flask(__name__) socketio = SocketIO(app) @app.route('/') def index(): return render_template('index.html') @socketio.event def message(data): emit('message', data, broadcast=True) if __name__ == '__main__': socketio.run(app, log_output=True, debug=True)