- import subprocess
- import re
- keydic = {"MemTotal":"总内存(单位G)",
- "MemFree":"剩余内存(单位G)",
- "MemAvailable":"可用内存(单位G)",
- "Cached":"缓存内存(单位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"))
来源: http://www.phpxs.com/code/1009826/