Getting CPU temperature using Python? [closed]

How do I retrieve the temperature of my CPU using Python? (Assuming I'm on Linux)

DrDee

Py-cputemp seems to do the job.

There is a newer "sysfs thermal zone" API (see also LWN article and Linux kernel doc) showing temperatures under e.g.

/sys/class/thermal/thermal_zone0/temp

Readings are in thousandths of degrees Celcius (although in older kernels, it may have just been degrees C).

If your Linux supports ACPI, reading pseudo-file /proc/acpi/thermal_zone/THM0/temperature (the path may differ, I know it's /proc/acpi/thermal_zone/THRM/temperature in some systems) should do it. But I don't think there's a way that works in every Linux system in the world, so you'll have to be more specific about exactly what Linux you have!-)

Reading files in /sys/class/hwmon/hwmon*/temp1_* worked for me but AFAIK there are no standards for doing this cleanly. Anyway, you can try this and make sure it provides the same number of CPUs shown by "sensors" cmdline utility, in which case you can assume it's reliable.

from __future__ import division
import os
from collections import namedtuple


_nt_cpu_temp = namedtuple('cputemp', 'name temp max critical')

def get_cpu_temp(fahrenheit=False):
    """Return temperatures expressed in Celsius for each physical CPU
    installed on the system as a list of namedtuples as in:

    >>> get_cpu_temp()
    [cputemp(name='atk0110', temp=32.0, max=60.0, critical=95.0)]
    """
    # http://www.mjmwired.net/kernel/Documentation/hwmon/sysfs-interface
    cat = lambda file: open(file, 'r').read().strip()
    base = '/sys/class/hwmon/'
    ls = sorted(os.listdir(base))
    assert ls, "%r is empty" % base
    ret = []
    for hwmon in ls:
        hwmon = os.path.join(base, hwmon)
        label = cat(os.path.join(hwmon, 'temp1_label'))
        assert 'cpu temp' in label.lower(), label
        name = cat(os.path.join(hwmon, 'name'))
        temp = int(cat(os.path.join(hwmon, 'temp1_input'))) / 1000
        max_ = int(cat(os.path.join(hwmon, 'temp1_max'))) / 1000
        crit = int(cat(os.path.join(hwmon, 'temp1_crit'))) / 1000
        digits = (temp, max_, crit)
        if fahrenheit:
            digits = [(x * 1.8) + 32 for x in digits]
        ret.append(_nt_cpu_temp(name, *digits))
    return ret

I recently implemented this in psutil for Linux only.

>>> import psutil
>>> psutil.sensors_temperatures()
{'acpitz': [shwtemp(label='', current=47.0, high=103.0, critical=103.0)],
 'asus': [shwtemp(label='', current=47.0, high=None, critical=None)],
 'coretemp': [shwtemp(label='Physical id 0', current=52.0, high=100.0, critical=100.0),
              shwtemp(label='Core 0', current=45.0, high=100.0, critical=100.0),
              shwtemp(label='Core 1', current=52.0, high=100.0, critical=100.0),
              shwtemp(label='Core 2', current=45.0, high=100.0, critical=100.0),
              shwtemp(label='Core 3', current=47.0, high=100.0, critical=100.0)]}

Pedro

Look after pyspectator in pip

Requires python3

from pyspectator import Cpu
from time import sleep
cpu = Cpu(monitoring_latency=1)

while True:
    print (cpu.temperature)
    sleep(1)

Depending on your Linux distro, you may find a file under /proc that contains this information. For example, this page suggests /proc/acpi/thermal_zone/THM/temperature.

yassi

As an alternative you can install the lm-sensors package, then install PySensors (a python binding for libsensors).

You could try the PyI2C module, it can read directly from the kernel.

Sysmon works nice. Nicely made, it does much more than measure CPU temperature. It is a command line program, and logs all the data it measured to a file. Also, it is open-source and written in python 2.7.

Sysmon: https://github.com/calthecoder/sysmon-1.0.1

来源：https://stackoverflow.com/questions/2440511/getting-cpu-temperature-using-python

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