Dymo USB Scale

import picamera
import usb.core
import usb.util
import time

VENDOR_ID = 0x0922
PRODUCT_ID = 0x8003

# Find the Dymo USB scale.
device = usb.core.find(idVendor=VENDOR_ID, idProduct=PRODUCT_ID)
camera = picamera.PiCamera()

attach = False
if device.is_kernel_driver_active(0):
        reattach = True
        device.detach_kernel_driver(0)

device.set_configuration()
endpoint = device[0][(0,0)][0]
counter = 0

while True:
        camera.capture('/tmp/getfile/cam_' + str(counter) + '.jpg')
        data = device.read(endpoint.bEndpointAddress, endpoint.wMaxPacketSize)
        file = open('/tmp/weight/weight_' + str(counter) + '.txt', 'w')
        raw_weight = data[4] + data[5] * 256
        file.write(str(raw_weight))
        file.close()
        counter = counter + 1
        time.sleep(3)                                                                                                                                                                                                           30        30,22         All