python发送多个图片

# -*- coding: utf-8 -*-
from email.mime.text import MIMEText
from email.mime.image import MIMEImage
from email.mime.multipart import MIMEMultipart
import smtplib
import datetime
import os

mail_to = "123456@qq.com"
mail_host = "mail.qq.com:465"
mail_user = "yw@qq.com"
mail_pass = "123456"


def send_mail(title,images=[]):
    me = "yw@qq.com"
    msg = MIMEMultipart()
    msg['Subject'] = title
    msg['From'] = mail_user
    msg['To'] = mail_to

    mail_msg = '<h2 align="center">各rds实例数据库占用空间大小(GB)</h2><br>'
    for i in range(len(images)):
        mail_msg += '<p align="center"><img src="cid:image%d" height="900" width="900"></p>' % (i+1)

    msg.attach(MIMEText(mail_msg, 'html', 'utf-8'))

    for i, img_name in enumerate(images):
        with open("image/" + img_name, 'rb') as fp:
            img_data = fp.read()
        msg_image = MIMEImage(img_data)
        msg_image.add_header('Content-ID', '<image%d>' % (i+1))
        msg.attach(msg_image)

    try:
        s = smtplib.SMTP_SSL(mail_host)
        s.login(mail_user, mail_pass)
        s.sendmail(me, mail_to.split(','), msg.as_string())
        s.quit()
        return True
    except Exception as e:
        print(e)
        return False


def get_imagelist(path):
    # 获取当前目录下的所有文件
    files = [os.path.join(path, file) for file in os.listdir(path)]
    sorted_files = sorted(files)
    # 遍历文件列表，输出文件名
    image_list=[]
    for file in sorted_files:
        image_list.append(os.path.basename(file))
    return image_list


if __name__ == '__main__':
    now_time = datetime.datetime.now()
    yes_time = now_time + datetime.timedelta(days=-1)
    today = datetime.datetime.now().weekday() ##0 表示周一
    title = "【数据库监控】各实例数据库占用空间" + '('+str(now_time.strftime('%Y%m%d'))+')'
    content = "rds各实例数据库占用空间大小(GB)"
    print(today)
    path = "C:/Users/huangxueliang/PycharmProjects/rdscmdb/os/image"
    if today == 2:
        image_list = get_imagelist(path)
        if len(image_list) > 0:
            send_mail(title,image_list)