miguelgrinberg
Flask-SocketIO
Python

Socket.IO integration for Flask applications.

Last updated Jul 7, 2026
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README

Flask-SocketIO ==============

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Socket.IO integration for Flask applications.

Installation


You can install this package as usual with pip:

pip install flask-socketio

Example


from flask import Flask, render_template
from flask_socketio import SocketIO, emit
    
app = Flask(name)
app.config['SECRET_KEY'] = 'secret!'
socketio = SocketIO(app)

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

@socketio.event def my_event(message): emit('my response', {'data': 'got it!'})

if name == 'main': socketio.run(app)

Resources


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