webapp/app/views.py


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from flask import render_template, request
from app import app, sio
import time

import threading

thread = None

@app.route('/')
@app.route('/index')
def index():
    return render_template('index.html',
                           title='F16 Group1')

connections = set()

@sio.on('connect', namespace='/spawn')
def connect(sid, environ):
    print("connect ", sid)
    connections.add(sid)

@sio.on('spawn', namespace='/spawn')
def message(sid, data):
    print("message ", data)

@sio.on('disconnect', namespace='/spawn')
def disconnect(sid):
    print('disconnect', sid)
    connections.remove(sid)


def add_creature():
    time.sleep(5)
    sio.emit('new creature', {'name': 'fish1'}, namespace='/spawn')

thread = sio.start_background_task(add_creature)