dymo-m10.py

import usb.core
import usb.util

VENDOR_ID = 0x0922
PRODUCT_ID = 0x8003

device = usb.core.find(idVendor=VENDOR_ID,
                       idProduct=PRODUCT_ID)

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

data = device.read(endpoint.bEndpointAddress, endpoint.wMaxPacketSize)

attempts = 10
data = None
while data is None and attempts > 0:
    try:
        data = device.read(endpoint.bEndpointAddress,
                           endpoint.wMaxPacketSize)
    except usb.core.USBError as e:
        data = None
        if e.args == ('Operation timed out',):
            attempts -= 1
            continue

print data