gistfile1.txt

import pypm
import time

def listdev(options):
    for i in xrange(pypm.CountDevices()):
        inf = pypm.GetDeviceInfo(i)
        print '{0}.{default} api: {1}, name: {2}, input: {3}, output: {4}'\
            .format(i, *inf, default='*' if options.device == i else ' ')

def serve(options):
    inp = pypm.Input(options.device)
    while True:
        if inp.Poll():
            buf = inp.Read(128)
            print buf
        else:
            time.sleep(0.1)

def get_options():
    import optparse
    op = optparse.OptionParser()
    op.add_option('-l', '--list',
        help="List devices",
        dest="action", default=serve, action="store_const", const=listdev)
    op.add_option('-d', '--device',
        help="Select device for input",
        dest="device", default=pypm.GetDefaultInputDeviceID(), type='int')
    return op

def main():
    op = get_options()
    options, args = op.parse_args()
    if args:
        op.error("No arguments expected")
    pypm.Initialize()
    try:
        options.action(options)
    finally:
        pypm.Terminate()

if __name__ == '__main__':
    main()