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# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
from usb import core
from odoo.addons.hw_drivers.interface import Interface
class USBInterface(Interface):
connection_type = 'usb'
def get_devices(self):
"""
USB devices are identified by a combination of their `idVendor` and
`idProduct`. We can't be sure this combination in unique per equipment.
To still allow connecting multiple similar equipments, we complete the
identifier by a counter. The drawbacks are we can't be sure the equipments
will get the same identifiers after a reboot or a disconnect/reconnect.
"""
usb_devices = {}
devs = core.find(find_all=True)
cpt = 2
for dev in devs:
identifier = "usb_%04x:%04x" % (dev.idVendor, dev.idProduct)
if identifier in usb_devices:
identifier += '_%s' % cpt
cpt += 1
usb_devices[identifier] = dev
return usb_devices
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