python 发送邮件

''''''
#coding；utf-8
import smtplib
from email.header import Header
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.utils import formataddr

#发送邮件数据
class SendEmail():
  
    def __init__(self):

       '''
       :param url: 邮件服务器
       :param port: 端口号
       :param sender: 发送人
       :param authorization_code:密码
       :param receiver: 收件人
       :param context: 邮件主题
       :param title: 邮件内容
       :param filepath: 附件路径
       '''
       #邮件服务器
       self.url = 'smtp.163.com'
       #端口
       self.port = 465
       # 设置发件人
       self.sender = ''
       # 邮箱授权码,不是登录的密码
       self.authorization_code = ''
       # 收件人地址
       self.receiver = ['@163.com','****@163.com']
       #邮件内容
       self.context = 'this is content'
       self.title = '标题测试'
       #附加地址
       self.file_path =None
      
    def mail_content(self):
        #编辑邮件内容数据

        if self.file_path!=None:
            msg = MIMEMultipart()
            msg['From'] = formataddr(["ws", self.sender])
            msg['To'] = ','.join(self.receiver)  # 多人邮件发送数据
            # 设置邮件标题
            msg['Subject'] = Header(self.title, 'utf-8').encode()

            '''发送附件开始'''
            msg.attach(MIMEText(self.context, 'plain', 'utf-8'))
            # 构造附件1，传送当前目录下的 test.txt 文件
            att1 = MIMEText(open(self.file_path, 'rb').read(), 'base64', 'utf-8')
            att1["Content-Type"] = 'application/octet-stream'
            # 这里的filename可以任意写，写什么名字，邮件中显示什么名字
            att1["Content-Disposition"] = 'attachment; filename="test.text"'
            msg.attach(att1)
            '''发送附件结束'''
        else:
            msg = MIMEText(self.context, 'plain', 'utf-8')
            msg['From'] = formataddr(["ws", self.sender])
            # msg['To'] =  formataddr(["wsd",r])#单人邮件发送
            msg['To'] = ','.join(self.receiver)  # 多人邮件发送数据
            # 设置邮件标题
            msg['Subject'] = Header(self.title, 'utf-8').encode()

        try:
            # 使用ssl加密
            smt = smtplib.SMTP_SSL(self.url, self.port)
            smt.login(self.sender, self.authorization_code)
            # smt.sendmail(sender, [receiver, ], msg.as_string())
            log.warning('begin send email')
            smt.sendmail(self.sender, msg['To'].split(','), msg.as_string())
            # 关闭连接
            smt.quit()
            print('send success')
            log.warning('send success')
        except Exception as e:
            log.warning('send fail')
            print(e)

if __name__ == '__main__':

    SendEmail().mail_content()