lot_manager/device.py

import subprocess

p = subprocess.Popen(['cat /home/pi/device_name'], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
device_name = out.decode('utf-8').strip()
update 2023-12-09 15:16:51 +08:00			`import subprocess`

update 2023-12-09 15:25:38 +08:00			`p = subprocess.Popen(['cat /home/pi/device_name'], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)`
			`out, err = p.communicate()`
			`device_name = out.decode('utf-8').strip()`