Python--发送带有附件的电子邮件

import smtplib
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
from email import encoders

fromaddr = "sender@example.com"
toaddr = "recipient@example.com"
subject = "邮件主题"

msg = MIMEMultipart()
msg['From'] = fromaddr
msg['To'] = toaddr
msg['Subject'] = subject

body = "邮件正文"
msg.attach(MIMEText(body, 'plain'))

filename = "附件文件名"
attachment = open("附件路径", "rb")
part = MIMEBase('application', 'octet-stream')
part.set_payload((attachment).read())
encoders.encode_base64(part)
part.add_header('Content-Disposition', "attachment; filename= %s" % filename)
msg.attach(part)

server = smtplib.SMTP('smtp.gmail.com', 587)
server.starttls()
server.login(fromaddr, "密码")
text = msg.as_string()
server.sendmail(fromaddr, toaddr, text)
server.quit()