python email 模块

参考简书，廖雪峰python

import smtplib
import os
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import traceback
import time   
 def send(self,content=None):
        '''''
        发送邮件
        '''
        server = None
        index = 1  #邮件重试
        while index < 3:
            index += 1
            try:
                server = smtplib.SMTP_SSL("smtp.exmail.qq.com",port=465)
                server.login(self.user,self.passwd)
                server.sendmail("<%s>" % self.user, self.to_list + self.cc_list, self.get_attach(content=content))
                server.close()
                print("send email successful")
                break
            except Exception as e:
                traceback.print_exc()
                time.sleep(5)
                print("send email failed")
            finally:
                try:
                    if server is not None:
                        server.close()
                except Exception as e:
                    traceback.print_exc()

    def get_attach(self,content=None,subtype='html'):
        '''''
        构造邮件内容
        '''
        attach = MIMEMultipart()
        #添加邮件内容
        txt = MIMEText(content, _subtype=subtype, _charset='utf-8')
        attach.attach(txt)
        if self.subject is not None:
            #主题,最上面的一行
            attach["Subject"] = self.subject
        if self.user is not None:
            #显示在发件人
            attach["From"] = "Data Team<%s>" % self.user
        if self.to_list:

            attach["To"] = ";".join(self.to_list)#收件人列表
        if self.cc_list:
            attach["Cc"] = ";".join(self.cc_list)#抄送列表
        if self.doc:
            #估计任何文件都可以用base64，比如rar等
            #文件名汉字用gbk编码代替
            name = os.path.basename(self.doc).encode("gbk")
            f = open(self.doc,"rb")
            doc = MIMEText(f.read(), "base64", "gb2312")
            doc["Content-Type"] = 'application/octet-stream'
            doc["Content-Disposition"] = 'attachment; filename="' + name +'"'
            attach.attach(doc)
            f.close()
        return attach.as_string()

    def get_jobs_descript(self):
        """
        获取任务的执行str
        :return:
        """
        html =''
        html += ''
        html += ''
        html += ''
        html += ''
        html += ''
        html +=''
        html +=''
        till = str(datetime.datetime.now() - self.start_time)
        till = till[0:till.index(".")] #精确到秒级小数点，然后要自己弄好，
        html +='
启动时间:[' + self.start_time.strftime("%Y-%m-%d %H:%M:%S") +']    结束时间:[' + self.get_end_time_str() +']    持续时间:'+till+'
'
        ss = 0
        er = 0
        skip = 0
        run_c = 0
        pl = ''
        for job_name in self.job_run_:
            node = self.dag_job.get_node(job_name=job_name)
            if node.status == 1:
                if node.is_active == False:
                    skip += 1
                else:
                    ss += 1
            elif node.status == -1:
                er += 1
            elif node.status == 0:
                run_c += 1
            pl += node.get_job_mail_str()
        html +="
统计 [成功:" + str(ss) +'\t错误:' + str(er)+'\t跳过:'+str(skip)+'\t未执行:' + str(self.job_size - ss - er - skip)+'] 总任务数: ' + str(self.job_size)+'
'
        html +='
邮件发送时间:' + str(datetime.datetime.now().strftime('%Y-%m-%d %H:%M')) +'
'
        html += '
调度报告
'
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html +=''
        html += pl
        html +='
状态
任务名
创建时间
结束时间
持续时间
重试次数
重试上限
是否跳过
一定正确
优先级
'
        return html

    def get_job_mail_str(self):
        """
        获取发送邮件的行数
        :return:
        """
        sz = ""
        if self.start_time is None:
            sz += "SKIP" + self.name +''
        else:
            if self.status == 1:
                sz += "SUCCEED" + self.name+''
            elif self.status ==-1:
                sz += "ERROR" + self.name+''
            elif self.status ==0:
                sz += "RUNNING" + self.name+''
            elif self.status is None:
                sz += "NOT_RUN" + self.name+''
            if self.start_time is not None:
                sz +='' + self.start_time.strftime('%Y-%m-%d %H:%M:%S')+''
            else:
                sz +=''
            if self.end_time is not None:
                sz +=''+self.end_time.strftime('%Y-%m-%d %H:%M:%S') +''
            else:
                sz +=''
            if self.start_time is None or self.end_time is None:
                sz +=''
            else:
                plz = str(self.end_time - self.start_time)
                if plz.index(':') == 1:
                    sz += '0' + str(self.end_time - self.start_time)[0:7] +''
                else:
                    sz += '' + str(self.end_time - self.start_time)[0:8] +''
            sz += '' + str(self.retry_time) + ''
            sz += '' + str(self.retry_limit) + ''
            if self.is_active:
                sz +=''
            else:
                sz += '' + str(self.is_active == False) +''
            if self.forver_right:
                sz += '' + str(self.forver_right == True) +''
            else:
                sz += ''
            sz += '' + str(self.priority) +''
        sz += ''
        return sz