Email提醒

说明：当爬虫在运行过程中遇到异常或则服务器遇到问题，可以通过Email及时向目标邮件发送报告

from email.mime.text import MIMEText
from email.header import Header
from email.utils import parseaddr,formataddr
import smtplib


class SendEmailFromSpider():
    """默认使用smtp服务"""
    def __init__(self,from_addr,to_addr,password):
        self.from_addr = from_addr  # 发送邮件的地址
        self.to_addr = to_addr  # 接受邮件的地址
        self.password = password
        self.smtp_server = 'smtp.qq.com'    # smtp_server为smtp服务器地址
    
    def format_addr_(self,s):
        name,addr = parseaddr(s)    # 将传入的s，如"一号爬虫<{}>"解析为name='一号安排爬虫',addr={}
        return formataddr(pair=(Header(s=name,charset='utf-8').encode(),addr),charset='utf-8')
    
    def make_message(self,from_addr,to_addr):
        """
        构造MIMEText对象时需要3个参数：
        _text：表示邮件的正文
        _subtype：表示传入文本的类型，常有的有plain和html
        _charset：编码
        """
        msg = MIMEText(_text="hello world",_subtype='plain',_charset='utf-8')
        # msg['From'] = Header(s="一号爬虫",charset='utf-8').encode()   # 这样写会使用代发
        # msg['To'] = Header(s='管理员',charset='utf-8').encode()
        msg['From'] = self.format_addr_('一号爬虫<{}>'.format(from_addr))
        msg['To'] = self.format_addr_('管理员<{}>'.format(to_addr))
        msg['Subject'] = Header(s='一号爬虫的运行状态',charset='utf-8').encode()
        
        return msg
        

    def send_message(self,message):
        server = smtplib.SMTP(host=self.smtp_server,port=25)    # 连接到smtp服务器
        server.login(user=self.from_addr,password=self.password)    # 登录
        server.sendmail(from_addr=self.from_addr,to_addrs=self.to_addr,msg=message.as_string())
        server.quit()
    
    def run(self):
        message = self.make_message(from_addr=self.from_addr,to_addr=self.to_addr)
        self.send_message(message=message)


if __name__=="__main__":
    from_addr = "xxxxxx@qq.com"  
    password = "xxxxxxx"   # 密码为对第三方客户端的授权码
    to_addr = "xxxxx@gmail.com"
    obj = SendEmailFromSpider(from_addr=from_addr,to_addr=to_addr,password=password)
    obj.run()