pyudev-example

0pyudev-query.py

import pyudev

# install pyudev
# apt install python3-pyudev

context = pyudev.Context()
for device in context.list_devices(subsystem="block"):
  if device.device_type == u"disk":
    property_dict = dict(device.items())
    if ('ID_MODEL' in property_dict):
      print("====== " + property_dict.get('DEVNAME', "Unknown") + " =========")
      for key in property_dict.keys():
        print(key, property_dict.get(key))

example-output

====== /dev/sda =========
DEVLINKS /dev/disk/by-id/wwn-0x600508b1001c0d600a6fc481e768a56f /dev/disk/by-id/scsi-3600508b1001c0d600a6fc481e768a56f /dev/disk/by-dname/sda /dev/disk/by-path/pci-0000:0c:00.0-scsi-0:1:0:0
DEVNAME /dev/sda
DEVPATH /devices/pci0000:00/0000:00:1c.0/0000:0c:00.0/host0/target0:1:0/0:1:0:0/block/sda
DEVTYPE disk
ID_BUS scsi
ID_MODEL LOGICAL_VOLUME
ID_MODEL_ENC LOGICAL\x20VOLUME\x20\x20
ID_PART_TABLE_TYPE dos
ID_PART_TABLE_UUID 805c3080
ID_PATH pci-0000:0c:00.0-scsi-0:1:0:0
ID_PATH_TAG pci-0000_0c_00_0-scsi-0_1_0_0
ID_REVISION 6.40
ID_SCSI 1
ID_SCSI_SERIAL 5001438007C467C0
ID_SERIAL 3600508b1001c0d600a6fc481e768a56f
ID_SERIAL_SHORT 600508b1001c0d600a6fc481e768a56f
ID_TYPE disk
ID_VENDOR HP
ID_VENDOR_ENC HP\x20\x20\x20\x20\x20\x20
ID_WWN 0x600508b1001c0d60
ID_WWN_VENDOR_EXTENSION 0x0a6fc481e768a56f
ID_WWN_WITH_EXTENSION 0x600508b1001c0d600a6fc481e768a56f
MAJOR 8
MINOR 0
SUBSYSTEM block
TAGS :systemd:
USEC_INITIALIZED 5964830