<PYTHON>시스템 정보 가져오기(CPU, RAM, DISK)

import time, random
import psutil
import os
 
# Return CPU temperature as a character string
def getCPUTemperature():
    res = os.popen('vcgencmd measure_temp').readline()
    return(res.replace("temp=","").replace("'C\n",""))
 
# Return RAM information (unit=kb) in a list
# Index 0: total RAM
# Index 1: used RAM
# Index 2: free RAM
def getRAMInfo():
    p = os.popen('free')
    i = 0
    while 1:
        i = i + 1
        line = p.readline()
        if i==2:
            return(line.split()[1:4])
 
# Return % of CPU used by user as a character string
def getCPUUsage():
    cpu = psutil.cpu_percent(interval=1)
    return cpu*10
    #return(str(os.popen("top -n1 | awk '/Cpu\(s\):/ {print $2}'").readline().strip(\
    #        )))
 
# Return information about disk space as a list (unit included)
# Index 0: total disk space
# Index 1: used disk space
# Index 2: remaining disk space
# Index 3: percentage of disk used
def getDiskSpace():
    p = os.popen("df -h /")
    i = 0
    while 1:
        i = i +1
        line = p.readline()
        if i==2:
            return(line.split()[1:5])

 

psutil 모듈을 설치하여야 동작한다.

 

pip install psutil