用python实现监控cpu、内存、硬盘、网卡流量并发邮件报警

import psutil
import smtplib
from email.mime.text import MIMEText
from email.header import Header


def cpu_info():
    cpu = psutil.cpu_percent(1)  # 一秒内cpu使用率，单位
    cpu_per = '%.2f%%' % cpu     # 变成百分数，保留两位小数
    return cpu_per


def mem_info():
    mem = psutil.virtual_memory()
    mem_per = '%.2f%%' % mem[2]
    mem_total = str(int(mem[0] / 1024 / 1024)) + 'M'
    mem_used = str(int(mem[3] / 1024 / 1024)) + 'M'
    mem_dict = {
        'mem_per': mem_per,
        'mem_total': mem_total,
        'mem_used': mem_used,
    }
    return mem_dict


# C盘利用率
def disk_info():
    c_info = psutil.disk_usage("C:")
    c_per = '%.2f%%' % c_info[3]
    return c_per


def network_info():
    net = psutil.net_io_counters()
    net_sent = str(int(net[0]/1024/1024)) + 'MB'
    net_rece = str(int(net[1]/1024/1024)) + 'MB'
    net_dict = {
        'net_cent': net_sent,
        'net_rece': net_rece
    }
    return net_dict


def send_mail(message):
    sender = 'your@163.com'   # 发送邮箱