| Alexander Couzens | 2decdba | 2018-10-25 14:34:09 +0200 | [diff] [blame] | 1 | #!/usr/bin/env python3 |
| 2 | # Alexander Couzens <lynxis@fe80.eu> |
| 3 | # MIT |
| 4 | |
| 5 | # show usb device with their net and serial devices |
| 6 | |
| 7 | import os |
| 8 | import usb.core |
| 9 | import usb.util |
| 10 | from pprint import pprint |
| 11 | |
| 12 | def get_path_ids(bus, port_numbers): |
| 13 | port_numbers = [str(port) for port in port_numbers] |
| 14 | ports = '.'.join(port_numbers) |
| 15 | return '{}-{}'.format(bus, ports) |
| 16 | |
| 17 | def get_usb_dir(bus, port_numbers): |
| 18 | return '/sys/bus/usb/devices/' + get_path_ids(bus, port_numbers) + '/' |
| 19 | |
| 20 | def get_usbmisc_from_usb(bus, port_numbers): |
| 21 | usbmisc_ifaces = [] |
| 22 | path = get_usb_dir(bus, port_numbers) |
| 23 | path_ids = get_path_ids(bus, port_numbers) |
| 24 | |
| 25 | usb_interfaces = [f for f in os.listdir(path) if f.startswith(path_ids)] |
| 26 | for usb_iface in usb_interfaces: |
| 27 | listdir = [f for f in os.listdir(path + usb_iface) if f == ('usbmisc')] |
| 28 | if listdir: |
| 29 | # found a net iface |
| 30 | usbmisc_ifaces += os.listdir(path + usb_iface + '/usbmisc/') |
| 31 | return usbmisc_ifaces |
| 32 | |
| 33 | def get_net_from_usb(bus, port_numbers): |
| 34 | net_ifaces = [] |
| 35 | path = get_usb_dir(bus, port_numbers) |
| 36 | path_ids = get_path_ids(bus, port_numbers) |
| 37 | |
| 38 | usb_interfaces = [f for f in os.listdir(path) if f.startswith(path_ids)] |
| 39 | for usb_iface in usb_interfaces: |
| 40 | listdir = [f for f in os.listdir(path + usb_iface) if f == ('net')] |
| 41 | if listdir: |
| 42 | # found a net iface |
| 43 | net_ifaces += os.listdir(path + usb_iface + '/net/') |
| 44 | return net_ifaces |
| 45 | |
| 46 | def get_serial_from_usb(bus, port_numbers): |
| 47 | serial_ifaces = [] |
| 48 | path = get_usb_dir(bus, port_numbers) |
| 49 | path_ids = get_path_ids(bus, port_numbers) |
| 50 | |
| 51 | usb_interfaces = [f for f in os.listdir(path) if f.startswith(path_ids)] |
| 52 | for usb_iface in usb_interfaces: |
| 53 | serial_ifaces += [f for f in os.listdir(path + usb_iface) if f.startswith('tty')] |
| 54 | return serial_ifaces |
| 55 | |
| 56 | def get_product(bus, port_numbers): |
| 57 | usb_dir = get_usb_dir(bus, port_numbers) |
| 58 | try: |
| 59 | product = open(os.path.join(usb_dir, 'product')).read().strip() |
| 60 | except OSError as exp: |
| 61 | product = "Unknown" |
| 62 | return product |
| 63 | |
| 64 | def get_manuf(bus, port_numbers): |
| 65 | usb_dir = get_usb_dir(bus, port_numbers) |
| 66 | try: |
| 67 | manuf = open(os.path.join(usb_dir, 'manufacturer')).read().strip() |
| 68 | except OSError: |
| 69 | manuf = "Unknown" |
| 70 | return manuf |
| 71 | |
| 72 | def get_name(bus, port_numbers): |
| 73 | manuf = get_manuf(bus, port_numbers) |
| 74 | product = get_product(bus, port_numbers) |
| 75 | return "%s %s" % (manuf, product) |
| 76 | |
| 77 | if __name__ == '__main__': |
| 78 | USB_DEVS = [dev for dev in usb.core.find(find_all=True)] |
| 79 | RESULT = {} |
| 80 | for device in USB_DEVS: |
| 81 | result = {} |
| 82 | if not device.port_numbers: |
| 83 | continue |
| 84 | |
| 85 | # retrieve manuf + product from /sys because non-root user can not ask the usb device |
| 86 | result['name'] = get_name(device.bus, device.port_numbers) |
| 87 | result['path'] = get_usb_dir(device.bus, device.port_numbers) |
| 88 | result['net'] = get_net_from_usb(device.bus, device.port_numbers) |
| 89 | result['cdc'] = get_usbmisc_from_usb(device.bus, device.port_numbers) |
| 90 | result['serial'] = get_serial_from_usb(device.bus, device.port_numbers) |
| 91 | |
| 92 | # only show device which have serial or net devices |
| 93 | if result['net'] or result['serial']: |
| 94 | RESULT[device] = result |
| 95 | |
| 96 | pprint(RESULT) |
| 97 | |