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Can WebSocket and HTTP on same port?
Yes it can run on the same port, in fact it must run on the same port; the raison d’etre of websocket handshake is so that the websocket can run on the same connection without confusing intermediaries that doesn’t understand websocket.
Does Flask support WebSockets?
Flask-SocketIO is a Flask extension that relies upon eventlet or gevent to create server-side WebSockets connections. websocket-client provides low level APIs for WebSockets and works with both Python 2 and 3.
Can WebSockets replace HTTP?
There is no harm if you support both models. Use REST for one way communication/simple requests & WebSocket for two way communication especially when server want to send real time notification. WebSocket is a more efficient protocol than RESTful HTTP but still RESTful HTTP scores over WebSocket in below areas.
Does Flask use Asyncio?
At the moment Flask only supports asyncio . It’s possible to override flask.
How to use flask WebSocket in Python example?
First install Flask if you haven’t done so: Install Flask-SocketIO with pip: In the example below socket.io and the Flask module are used. socketio is an two-way event-based communication engine. Events are triggered both by server and connected clients in socketio. If an event is detected, the related call back functions is called.
What can you do with the Flask framework?
Flask is a very versatile and lightweight framework that can be molded and twisted to fit many use cases. This includes building basic websites, web APIs, CRUD applications, or in the case of this blog post, a websocket server.
What do you need to know about flask socketio?
The module Flask-SocketIO provides access to low-latency two-way client-server communication for Python Flask apps. Any of the SocketIO approved client libraries in Python, C++, Java and Swift, or another compatible framework may be used by the application to build a permanent link to the server.
Can you use gevent as a web server for flask?
UPDATE #2: Flask-SocketIO version 1.0 adds support for Python 3.3+, and offers the choice to use gevent or eventlet as web server, as well as the standard Flask server. When using the Flask server the bi-directional channel is emulated using the HTTP long-polling technique.