Python Socket Starter Code

AtEchoOff

Jan 7th, 2025

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=========== app.py ====================
from os import environ
from flask import Flask, render_template
from flask_socketio import SocketIO, emit
app = Flask(__name__)
app.config['SECRET_KEY'] = 'secret!'
socketio = SocketIO(app)
#Code here...
if __name__ == '__main__':
HOST = environ.get('SERVER_HOST', 'localhost')
PORT = int(environ.get('SERVER_PORT', '5000'))
socketio.run(app, host=HOST, port=PORT)
================== index.html ========================
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>SocketIO example</title>
<script src="https://code.jquery.com/jquery-3.3.1.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.4.0/socket.io.js"></script>
</head>
<body>
<h1>WebSockets with Flask</h1>
<h2>Receive:</h2>
<div id="log"></div>
<form id="message" method="POST" action='#'>
<input type="text" name="message_data" id="message_data" placeholder="Message">
<input type="submit" value="send">
</form>
<script src="/static/index.js"></script>
</body>
</html>

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