psutil （进程和系统实用程序）是一个跨平台的库，用于检索 Python 中有关正在运行的进程和系统利用率（ CPU ，内存，磁盘，网络，传感器）的信息。它主要用于系统监视，概要分析和限制进程资源以及管理正在运行的进程。
1 、安装 psutil
pip3 install psutil # python2 用户直接使用 pip install psutil
2 、创建 get_system_info.py 文件，获取系统状态
1 import psutil as p
2
3
4 def memory(): # 获取内存信息
5 info = p.virtual_memory()
6 return info[2]
7
8
9 def disk(): # 获取磁盘使用情况
10 info = p.disk_usage('/')
11 return info[-1], info[-2]
12
13
14 def cpu(): # 获取 CPU 使用率
15 info = p.cpu_percent(1)
16 return info
# 在此只使用了博主所需的相关功能，详细说明见 https://pypi.org/project/psutil/
3 、创建邮件发送 send_Email.py 文件
1 import smtplib
2 from email.header import Header
3 from email.mime.text import MIMEText
4 from email.utils import formataddr
5
6
7 class send_Email():
8 def __init__(self, mail_host, mail_port, mail_user, mail_pass, sender):
9 self.mail_host = mail_host
10 self.mail_port = mail_port
11 self.mail_user = mail_user
12 self.mail_pass = mail_pass
13 self.sender = sender
14
15 def make_mail(self, title, code, receiver): # 生成邮件
16 mail_msg = """
17 %s
18 %s
19 """ % (title, code)
20 self.message = MIMEText(mail_msg, "html", "utf-8")
21 self.message['From'] = formataddr(["XX", self.sender])
22 self.message['To'] = formataddr(["User", receiver])
23 subject = title
24 self.message['Subject'] = Header(subject, "utf-8")
25
26 def send(self, receiver, title, code): # 发送邮件
27 status = 0
28 self.make_mail(title, code, receiver)
29 try:
30 self.smtpObj = smtplib.SMTP_SSL(self.mail_host, self.mail_port)
31 # print(1)
32 self.smtpObj.login(self.mail_user, self.mail_pass)
33 # print(2)
34 self.smtpObj.sendmail(self.sender, [receiver], self.message.as_string())
35 self.smtpObj.quit()
36 status = 1
37 except smtplib.SMTPException as e:
38 print("Error ！ 无法发送邮件！！！ " + e)
39 return status
4 、整合代码
from send_Email import send_Email
import get_system_info as gsi
email = send_Email("smtp.163.com", 465, "*******@***.com", "**********", "********@***.com") # 初始化
memory = gsi.memory()
disk, capacity = gsi.disk()
info = str(memory)+" "+str(disk)+" "+str(round(capacity/1024/1024/1024, 2))
email.send(code=info, title=" 系统状态异常 ", receiver="*******@***.***")
status_d = 0
status_m = 0
while True: # 实时检测系统状态，会占用一定的系统资源
memory = gsi.memory()
disk, capacity = gsi.disk()
if memory >= 80 and status_m == 0:
status_m = 1
data = " 当前内存占用率为 "+str(memory)+"% ，建议清理或扩充内存！ "
email.send(code=data, title=" 系统状态异常 ", receiver="*******@***.***")
elif memory < 80:
status_m = 0
if disk >= 80 and status_d == 0:
status_d = 1
data = " 当前硬盘已使用 "+str(disk)+"% ，剩余 "+str(round(capacity/1024/1024/1024, 2))+"GB ，请及时扩充！ "
if disk >=货币符号https://www.gendan5.com/currencyworld.html
email.send(receiver="*******@***.***", title=" 系统状态异常 ", code=data)
elif disk < 80:
status_d = 0
if memory >= 90 and status_m == 1:
status_m = 2
data = " 当前内存占用率为 "+str(memory)+"% ，建议清理或扩充内存！ "
email.send(code=data, title=" 系统状态异常 ", receiver="*******@***.***")
elif memory < 90:
status_m = 1
if disk >= 90 and status_d == 1:
status_d = 2
data = " 当前硬盘已使用 "+str(disk)+"% ，剩余 "+str(round(capacity/1024/1024/1024, 2))+"GB ，请及时扩充！ "
email.send(receiver="*******@***.***", title=" 系统状态异常 ", code=data)
elif disk < 90:
status_d = 1
程序仍有不足之处，请大佬多多指教。