ea_get_connected_usb_device_info.py

#!/usr/bin/python3

"""Intends to read USB SmartCard  and return 
device names, product IDs, and vendor IDs"""

import json
import subprocess


def main():
    cmd = ['/usr/sbin/system_profiler', 'SPUSBDataType', '-json']
    output = subprocess.check_output(cmd)

    info = json.loads(output)
    hardware_info = info['SPUSBDataType']
    items = []
    for dict in hardware_info:
        if "_items" in dict:
            for item in dict["_items"]:
                items.append(f"{item['_name']},{item['product_id']}")
    if not items:
        items = "N/A"
    print(f"<result>{items}</result>")

if __name__ == "__main__":
    main()