Custom handshake data with Flask-SocketIO

I have a Python server using Flask, that has a websocket connection using Flask-SocketIO . There is a similar question :...

How to run Flask without caching templates?

I have a Flask app running with python-socketio and eventlet. if __name__ == '__main__': import eventlet import eventlet.wsgi eventlet.wsgi.server(eventlet.listen(('', 5000)),...

Systemd: Start operation timed out. Terminating

I'm trying to create an autostart service for my python-flask-socketio server. I need to start a python script through systemd. Here's my service...

Understanding async await in python socket io / aiohttp server

I am trying to setup an socket.io server using python-socketio. Here is a minimal working example: import asyncio from aiohttp import web import socketio import random sio =...

raise RuntimeError('You need to use the eventlet server. '

In my project, I created a app: the website_chat/views.py code: async_mode = 'eventlet' import os from django.http import HttpResponse import socketio basedir =...

How to setup flask-socketio in a docker container?

Hello I'm trying to setup flask-socketio in a docker container. It seems to run but I get an error( from the browser) when I try to access localhost on port 5000 like I'm used to do with flask...

Closing Flask-SocketIO gracefully in python

I'm using flask-socketio for server side in python. When running on windows10 the .stop() function of the flask_socketio.SocketIO works and closes the socket which terminates my script but on...

Can i create a real time chart with Pygal?

I created a Flask-SocketIO Python app. I'm looking for a way to embed into my webpage a real time chart. When the user opens my webpage, he should see the chart updating with new data, but he...

setup.py don't installing the requirements

I'm did a python library, it's my first python library published on pypl and github The library works very well, but the setup() doesn't. When I install it by pip install, it dowloand the appfly...

electron/socket.io client - python-socketio/aiohttp server // fail to connect

This websocket connection fails. The funny thing is this was working a couple days ago. I downgraded electron from 6 to 5.0.6 but this didn't help. Server from aiohttp import web import...

python socketio communication with ssl related problem

I am using python socketio for communication and it works well for http. Have a problem when upgraded it to work with SSL. I made a self-signed root certificate (CA), and issued server.cert and...

Cannot emit message to room using Flask-SocketIO

I am building a simple chat app and I have been trying to emit messages to rooms with Flask-SocketIO. The "mesage_event" event from the client reaches the server well, but then, I cannot see...

Callbacks are not supported when broadcasting python-socketio

I have this code, whenever the user goes to this certain endpoint, it is supposed to emit a message to a python client, which then gets some data and then returns it back as a callback so I can...

Running Asyncio and Socketio at the same time in python

I want to run two websockets on in my program, where one communicates to my Raspberry Pi (via websockets) and the other one to my browser via Flask-SocketIO. Everything runs fine, when I run them...

Python-socketio Server.call() method does not seem to work with JavaScript client

Summarize the problem I am using the python-socketio package as a server for a web-based game that I am creating. I initially implemented the client in Python (with python-socketio[client]) for...

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource in python to angular socket io

socketio can't get the data from python to angular front end it shows the error as "Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://my...

How to get JavaScript Socket.IO version?

I use Flask and Flask-SocketIO inside of a Python application. Recently, when I start up the app, I am given this message: The client is using an unsupported version of the Socket.IO or Engine.IO...

Pip can't install flask-socketio

I want to install the module flask-socketio using pip2, however I get an error, that no matching bidict version was found. I looked bidict up, and it turns out, that the version doesnt even...

The client is using an unsupported version of the Socket.IO or Engine.IO protocols Error

I'm trying to run a client an server in python using flask_socketio, socketIO_client and SOCKET.IO in a raspberry pi 4 but I'm getting the following error: The client is using an unsupported...

SocketIO "packet queue is empty, aborting” Error When Sending Message From Server

I am having an issue with sending a SocketIO message from a WSGI server to a SocketIO client. Messages going the other way (client to server) work fine without any issue. The code is in Python...

python socketio - open packet not returned by the server

I am trying to connect to a socket server (node.js) say http://localhost:4300. On the server side it has been successfully connected, on my server's log client connected {client_id} but on my...

No module named 'ffi'

I'm trying to run gunicorn server on my windows 10 locally and I'm getting this error ModuleNotFoundError: No module named 'ffi'. This is my code import socketio sio = socketio.Server() app =...

WebSocket transport not available. Install simple-websocket for improved performance

Here is my full app code from flask import Flask, render_template, request, session, redirect, url_for from flask_socketio import SocketIO, join_room, send app =...

pip requirements doesn't match when dockerizing

I want to dockerize my project but I'm getting following errors. #9 13.36 ERROR: Could not find a version that satisfies the requirement bcrypt==3.2.0 (from versions: 1.0.0, 1.0.1, 1.0.2, 1.1.0,...

Flask Socketio | Update and plot a chart using background tasks created by Flask Executor or ThreadPoolExecutor

I am currently trying to successfully plot a bar chart when the results from the dataframe is updated or when there is any change in the...

python-socketio socketio.exceptions.ConnectionError: One or more namespaces failed to connect

I am trying to connect to socket.io server and receive messages. But when connecting I get socketio.exceptions.ConnectionError: One or more namespaces failed to connect Code: import socketio sio...

The pgAdmin 4 server could not be contacted: Fatal error

I upgrade PostgreSQL from 13.3 to 13.4 and got a fatal error by pgAdmin 4. I found other similar question that try to fix the problem deleting the folder:...

WebRTC problem with a python client using "asyncio, socketio, and aiortc"

WebRTC In this project the objective is to set up a connection between two clients who connect to a web server and who send video streams to each other. However, we have a java client (android...

The WebSocket transport is not available, you must install a WebSocket server that is compatible with your async mode to enable it

When I development some socket.io service in python environment by using python-socketio and gunicorn, I meet an issue here. I am using Mac OS X and I am using python 3.7. Environment setting $...

pathlib: cannot import name 'Sequence' from 'collections'

It has been a few days since I rebuilt my project but when I was testing some things this morning I wanted to update my Werkzeug package due to an issue I was having with its Multidict class, I...