server.py

from gevent import monkey
monkey.patch_all()

from flask import Flask, render_template, session, request
from flask_socketio import SocketIO, emit, join_room

app = Flask(__name__)
app.debug = True
app.config['SECRET_KEY'] = 'nuttertools'
socketio = SocketIO(app)

@app.route('/')
def chat():
  return render_template('chat.html')

@app.route('/login')
def login():
  return render_template('login.html')

@socketio.on('message', namespace='/chat')
def chat_message(message):
  print("message = ", message)
  emit('message', {'data': message['data']}, broadcast=True)

@socketio.on('connect', namespace='/chat')
def test_connect():
  emit('my response', {'data': 'Connected', 'count': 0})

if __name__ == '__main__':
  socketio.run(app)