quick flask-socketIO server app

flask_socketio_simple_app

# general imports
from flask_socketio import SocketIO
from flask_socketio import emit
from flask import Flask, render_template
from random import random
import time
from threading import Thread, Event
from threading import Lock


# define the port and host that the app will run on
PORT = 5051
HOST = '127.0.0.1'


# Set this variable to "threading", "eventlet" or "gevent" to test the
# different async modes, or leave it set to None for the application to choose
# the best option based on installed packages.
# source of the doc => https://github.com/miguelgrinberg/Flask-SocketIO/blob/main/example/app.py
async_mode = None

thread = None
thread_lock = Lock()


# define the flask app
app = Flask(__name__)
app.config['SECRET_KEY'] = 'secret!'
app.config['DEBUG'] = True

# define the socketio object
socketio = SocketIO(app, async_mode=async_mode)


def main():
    socketio.run(app, port=PORT, host=HOST)


if __name__ == '__main__':
    main()