usb-view.py

import commands
from glob import glob


SHOW_KEYS = ['bcdUSB', 'idVendor', 'idProduct']

for bus in glob('/dev/bus/usb/*'):
    vals = dict()
    for dev in glob('{b}/*'.format(b=bus)):
        cmd = 'lsusb -D {d}'.format(d=dev)
        s = commands.getoutput(cmd)
        for line in s.splitlines():
            t = line.strip().split()
            if t[0] in SHOW_KEYS:
                vals[t[0]] = ' '.join(t[1:])
        displays = ['Device {d}'.format(d=dev)]
        for key in SHOW_KEYS:
            displays.append('{k} {v}'.format(k=key, v=vals[key]))
        print(', '.join(displays))