使用Python在Windows上检测网络连接并发送电子邮件

本代码演示了如何使用Python检测Windows系统中的网络连接，并在网络连接断开时发送电子邮件通知用户。实现方式为使用pythonping库进行ping测试，当ping测试失败时，通过smtplib库向指定的电子邮件地址发送电子邮件通知。

import smtplib
import os
import platform
from pythonping import ping

def checkInternet(host="8.8.8.8",timeout=1):
    response = ping(host,timeout=timeout)
    return response.success()

def sendMail(subject,to,body):
    user = "your_email_address"
    pwd = "your_email_password"
    smtp_server = "smtp_server_address"
    headers = ["From: " + user,
               "Subject: " + subject,
               "To: " + to,
               "MIME-Version: 1.0",
               "Content-Type: text/html"]
    headers = "\r\n".join(headers)
    session = smtplib.SMTP(smtp_server,587)
    session.ehlo()
    session.starttls()
    session.ehlo()
    session.login(user,pwd)
    session.sendmail(user,to,headers + "\r\n\r\n" + body)
    session.quit()

if __name__ == "__main__":
    while True:
        if not checkInternet():
            hostname = platform.node()
            subject = "Network Disconnected from " + hostname
            to = "recipient_email_address"
            body = "The network connection to " + hostname + " is disconnected."
            sendMail(subject,to,body)
        time.sleep(5)

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