import asyncio
import socket
import websockets

# Your network printer targeting network coordinates
PRINTER_IP = "192.168.123.100"
PRINTER_PORT = 9100

async def handle_print_job(websocket, path=None): # Added path=None for newer websockets compatibility
    async for message in websocket:
        try:
            # If the incoming message is text, convert it to bytes for the raw socket
            if isinstance(message, str):
                message = message.encode('utf-8')

            # Connect directly to your network printer card interface
            s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            s.settimeout(5)
            s.connect((PRINTER_IP, PRINTER_PORT))
            s.sendall(message) # Stream raw bytes directly to print head
            s.close()
            
            await websocket.send("SUCCESS")
        except Exception as e:
            await websocket.send(f"ERROR: {str(e)}")

async def main():
    # Listen on internal localhost port 8080 matching browser config definitions
    async with websockets.serve(handle_print_job, "localhost", 8080):
        print("WebSocket Printer Bridge is running on ws://localhost:8080")
        await asyncio.Future() # Keep the server running indefinitely

# Modern asyncio entry point for Python 3.7+
if __name__ == "__main__":
    asyncio.run(main())
-----------------------------------------------
batch file
-----------------------------------------------
@echo off
cd /d "C:\Users\DELL\Documents"
python printer_bridge.py
pause