A code snippet for vrchat to send and receave at the same time.

send and receive.py

# requires the python-osc library. If you need to install the modual use: "pip install python-osc"
import threading
from pythonosc import osc_server, dispatcher, udp_client

# Makes a thread to run the server in the background.
def start_server(ip="127.0.0.1", port=9001):
    print(f"Listening on {ip}:{port}")
    server = osc_server.ThreadingOSCUDPServer((ip, port), dispatcher)
    thread = threading.Thread(target=server.serve_forever)
    thread.daemon = True
    thread.start()
	
# Makes a thread for sending messages.
def send_message(address, value, ip="127.0.0.1", port=9000):
    print(f"Send {address} : {value}")
    client = udp_client.SimpleUDPClient(ip, port)
    thread = threading.Thread(target=client.send_message, args=(address, value))
    thread.start()
    
# Call back function to handle incoming messages received by the server.
def receive_message(address, *args):
    print(f"Get  {address}:{args[0]}")
    
    # Code here for receiving messages.

# The main body of the program.
def main():
    # Maps an address to the dispatcher and receives a callback function.
    dispatcher.map("/avatar/change", receive_message)
    start_server()
    
    # Code here for the logic of the program.
    # Example for sending a test message.
    send_message("/test", 1)

# Sets up the dispatcher and starts the main function.
if __name__ == "__main__":
    dispatcher = dispatcher.Dispatcher()
    main()
    
    # holds the program alive while the thread is running in the background.
    input("Press Enter to quit... \n")
    print("Quitting...")