Python选择多个本地文件以附件发送到Email

Posted 2020-09-09 星光灿烂

Python Email 发送多个附件

起因

邮箱是最普遍的“跨平台”的信息储存节点。应能抓取网页、或者附件发送本地文件，以便各个终端共享信息。 
最终实现自动抓取页面推送到邮箱；将笔记、日程以附件形式发送到邮箱。

工具和准备

• 编辑器：Sublime 3
• 语言：Python v2.7.11
• OS：Windows 7 64位

网络搜索 "Pythonemail 发送附件" 得到基础模板。修改调试得到如下代码：

# -*- coding: utf-8 -*-
# Python 2.7.11 Windows 7 64位下测试通过
import smtplib,os,sys,mimetools
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
from email.mime.multipart import MIMEMultipart
from email import encoders
class tMail:
    from_mail=‘[email protected]‘
    to_mail=‘[email protected]‘
    msg = MIMEMultipart()
    def genMail(self,message,files): 
        msg= self.msg
        msg[‘From‘]=self.from_mail
        msg[‘To‘]=self.to_mail
        msg[‘Subject‘]=‘myMail ‘  
        prts = []   # 附件
        fnames = [] # 文件名
        # 遍历附件文件
        for f in files:
            part = MIMEBase(‘application‘, ‘octet-stream‘) 
            try:
                data = f.read( )                
                ahead = ‘attachment; filename="%(basename)s"‘ %{‘basename‘:os.path.basename(f.name).encode(‘gbk‘)}                
                part.set_payload(data)             
                encoders.encode_base64(part) 
                part.add_header(‘Content-Disposition‘, ahead) 
                prts.append(part)
            finally:
                f.close( )            
            fnames.append(f.name)
        st = ‘\t‘.join(fnames)
        # 邮件正文
        content=MIMEText(st.encode(‘gbk‘),‘html‘,‘gbk‘)
        msg.attach(content)  
        # 邮件附件
        for z in prts:
            msg.attach(z)
        self.msg = msg
    def sendMail(self):
        server=smtplib.SMTP(‘smtp.youremail.com‘,"25")
        server.docmd(‘ehlo‘,‘[email protected]‘)
        server.login(‘[email protected]‘,‘yourpassword‘)
        server.sendmail(self.from_mail,self.to_mail,self.msg.as_string())
        server.quit()
if __name__ == ‘__main__‘:
    # 选择多个文件
    import tkFileDialog
    filepaths = tkFileDialog.askopenfiles(mode=‘rb‘)
    # 将文件以附件的形式发送到指定邮箱
    client = tMail()
    client.genMail(‘<h4>this is a mail</h4>‘,filepaths)
    client.sendMail()
    print ‘Mail send complete‘

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