Python擷取Linux系統記憶體情況

[Python]代碼

import subprocessimport re keydic = {"MemTotal":"總記憶體(單位G)",          "MemFree":"剩餘記憶體(單位G)",          "MemAvailable":"可用記憶體(單位G)",          "Cached":"緩衝記憶體(單位G)"} def command(command):    p = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)    resultDic = {}    for line in p.stdout.readlines():        line = str(line,encoding="utf-8")        result = re.split("\s*",line)        if result[0][:-1] in keydic:            resultDic[keydic[result[0][:-1]]] = "%.2f" %(int(result[1])/(1024**2))    return resultDic if __name__ == "__main__":   print(command("cat /proc/meminfo"))

