extract nvme ssd temperatures

nvme_temps

#!/usr/bin/env python3

import sys
import getpass
import json
from io import StringIO
try:
    import sh
except ImportError:
     print("Please, install the sh library http://amoffat.github.io/sh/#installation")
     sys.exit(1)

try:
    from sh import nvme
except ImportError:
     print("Please, install the nvme-cli package. \nsudo apt install nvme-cli")
     sys.exit(1)


prompt = "[sudo] password for %s: " % getpass.getuser()
pw = getpass.getpass(prompt=prompt)

with sh.contrib.sudo(password=pw, _with=True):
    buf = StringIO()
    nvme("list", "-o", "json", _out=buf)
    nvme_query = buf.getvalue()
    nvme_devices = json.loads(nvme_query)
    nvme_devices = nvme_devices.get('Devices', [])
    # pprint(nvme_devices)

    result = []
    for device in nvme_devices:
        device_path = device.get('DevicePath', None)
        device_name = device.get('ModelNumber', None)
        if device_path:
            buf = StringIO()
            nvme("smart-log", device_path, "-o", "json", _out=buf)
            device_smart_log_query = buf.getvalue()
            device_smart_log = json.loads(device_smart_log_query)
            temperature = device_smart_log.get('temperature', None)
            if temperature:
                temperature = int(temperature) / 10
                temperature = f'{temperature}ºC'
            print(f'{device_name}\t{device_path}\t{temperature}')