python-简单邮件报警

 """

@file: emailHandler.py 

"""
 1 #邮件服务封装
 2 
 3 import smtplib
 4 from email.mime.text import MIMEText
 5 from email.utils import formataddr
 6 
 7 class EmailHandler(object):
 8 
 9     def __init__(self,user,password,type = 0):
10         """
11         :param user:str 发送人邮箱地址（用户名）
12         :param password:str 发送人在QQ或163申请的授权码
13         :param type:int 0 为QQ邮箱 1 为163邮箱
14         """
15         self.__QQ = {'smtp':'smtp.qq.com','port':465}
16         self.__163 = {'smtp':'smtp.163.com','port':25}
17         self.user = user
18         self.password = password
19         if type == 0:
20            self.server=smtplib.SMTP_SSL (self.__QQ['smtp'],self.__QQ['port'])
21            self.server.login (self.user,self.password)
22         elif type == 1:
23            self.server=smtplib.SMTP_SSL (self.__163['smtp'],self.__163['port'])
24            self.server.login (self.user,self.password)
25 
26     def send_mail(self,To,subject,content):
27         """
28         :param To:str 接收人邮箱地址
29         :param subject:str 邮件标题
30         :param content:str 邮件内容
31         :return:bool True 成功 False 失败
32         """
33         try:
34             msg = MIMEText(content,'plain','utf-8')
35             msg['From'] = formataddr(['spider邮件报警系统',self.user])
36             msg['To'] = formataddr(['',To])
37             msg['Subject'] = subject
38 
39             self.server.sendmail(self.user,To,msg.as_string())
40             print("【%s】邮件发送成功"%subject)
41             return True
42         except Exception as f:
43             print("【%s】邮件发送失败,请检查信息"%subject)
44             return False

1 #邮箱信息
2 MAIL_CONFIG = {
3     'user':'xxxxx', #邮箱账号
4     'password':'xxxx',  #邮箱授权码
5     'to_add':'xxx',  #要发送的邮箱地址
6     'mail_title':'scrapy_标题'  #邮件标题
7 }

 1 from pydispatch import dispatcher
 2 err_spider = object()
 3 
 4 def __init__(self):
 5         #初始化邮件发送次数
 6         self.mail_count = 0
 7         dispatcher.connect(self.send_mail, signal=err_spider)
 8         super(xxx, self).__init__()
 9 
10 def send_mail(self, error):
11         "当spider出现error时发送邮件到邮箱"
12         if self.mail_count < 1:
13             mailmanager = EmailHandler(mail_conf.get('user', ''), mail_conf.get('password', ''))
14             mailmanager.send_mail(mail_conf.get('to_add', ''), mail_conf.get('mail_title', ''), 'spider出现错误请及时查看r%s' % error)
15             self.mail_count += 1 

　　#列表页数据
    def parse(self, response):
        #列表页条目
        data_lists = response.xpath('//div[@id="listbox30"]/div')
        try:
            #最后一个div是分页数据
            for data in data_lists[:-1]:
                item = WangdaitianyanItem()
                item['title'] = data.xpath('div[1]/div/div[1]/a/@title').extract_first()   #标题
                log.msg('[info] 正在爬取【%s】' % (item['title']), level=log.INFO)
                item['img'] = data.xpath('div[2]/div/a/img/@data-src').extract_first()   #封面图
                item['introduction'] = data.xpath('div[1]/div/div[2]/text()').extract_first()   #简介
                item['source'] = data.xpath('div[1]/div/div[3]/div[1]/span[1]/a/text()').extract_first() #源
                item['release_time'] = data.xpath('div[1]/div/div[3]/div[1]/span[3]/text()').extract_first() #发布时间
                item['read_count'] = data.xpath('div[1]/div/div[3]/div[2]/span[2]/text()').extract_first()   #回复数
                item['comment_count'] = data.xpath('div[1]/div/div[3]/div[2]/span[5]/text()').extract_first()  #评论数
                #抓取详情页数据
                #//news.p2peye.com/article-513444-1.html
                url = data.xpath('div[1]/div/div[1]/a/@href').extract_first()  #url
                yield scrapy.Request(url='http:%s'%url, callback=self.details_page, meta={'item':item})


            #分页部分
            #如果检测不到下一页 不在请求
            try:
                next_page  = data_lists[-1].xpath('div/a[contains(@title,"下一页")]/@href').extract_first()  #拿去下一页url
                yield scrapy.Request(url='https://news.p2peye.com%s'%next_page, callback=self.parse)
            except Exception as e:
                pass
        except Exception as e:
            #发送邮件
            dispatcher.send(signal=err_spider, error=traceback.format_exc())