I'm currently trying to understand how sockets work. I'm using Flask-socketio and a python socketio client and running through a basic example. Here is what I have done so far
app.py
from flask import Flask, render_template from flask_socketio import SocketIO, emit app = Flask(__name__) app.config['SECRET_KEY'] = 'secret!' socketio = SocketIO(app) @socketio.on('aaa') def test_connect(): print("Welcome, aaa received") emit('aaa_response', {'data': 'Server'}) if __name__ == '__main__': socketio.run(app, port=8000) client.py
from socketIO_client import SocketIO, LoggingNamespace def on_aaa_response(args): print('on_aaa_response', args['data']) socketIO = SocketIO('localhost', 8000, LoggingNamespace) socketIO.on('aaa_response', on_aaa_response) socketIO.emit('aaa') socketIO.wait(seconds=1) I get an assertion error when I run the client.py. I do see the server printing "Welcome, aaa recived" though. I don't know what am I doing wrong here, If thats required here is my log
Error log
Exception in thread Thread-1: Traceback (most recent call last): File "c:\users\dj\appdata\local\programs\python\python36\Lib\threading.py", li ne 916, in _bootstrap_inner self.run() File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\heartbeats.py", line 27, in run self._send_heartbeat() File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\__init__.py", line 203, in _ping engineIO_packet_type, engineIO_packet_data) File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\transports.py", line 109, in send_packet assert response.content == b'ok' AssertionError Traceback (most recent call last): File "demo.py", line 8, in <module> socketIO.emit('aaa') File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\__init__.py", line 424, in emit self._message(str(socketIO_packet_type) + socketIO_packet_data) File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\__init__.py", line 33, in wrap return f(*args, **kw) File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\__init__.py", line 219, in _message transport.send_packet(engineIO_packet_type, engineIO_packet_data) File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\transports.py", line 109, in send_packet assert response.content == b'ok' AssertionError Exception ignored in: <bound method SocketIO.__del__ of <socketIO_client.SocketI O object at 0x00000028079DC320>> Traceback (most recent call last): File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\__init__.py", line 364, in __del__ File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\__init__.py", line 400, in disconnect File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\__init__.py", line 193, in _close File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\transports.py", line 108, in send_packet File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\socketIO_c lient\transports.py", line 191, in get_response File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\requests\s essions.py", line 555, in post File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\requests\s essions.py", line 494, in request File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\requests\s essions.py", line 419, in prepare_request File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\requests\c ookies.py", line 537, in merge_cookies File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\site-packages\requests\c ookies.py", line 353, in update File "C:\Users\Dj\Desktop\Flask\FLASK-SOCKET\venv\lib\copy.py", line 96, in co py ImportError: sys.meta_path is None, Python is likely shutting down