python 获取163 邮箱的邮件信息

此案例是是获取的一个亚马逊的验证码

import time
from imaplib import IMAP4_SSL
import imaplib,email,datetime
from lxml import etree
from dateutil.parser import parsedef str_to_unicode(s, encoding=None):return str(s, encoding) if encoding else str(s)def get_xpath(xpath, content):# xpath 工具out = []tree = etree.HTML(content)results = tree.xpath(xpath)for result in results:if 'ElementStringResult' in str(type(result)) or 'ElementUnicodeResult' in str(type(result)):out.append(result)else:out.append(etree.tostring(result))return outdef send_mail(now_time):max_retries = 5  # 最大重试次数retry_delay = 2  # 每次重试的间隔时间（秒）while True:status = 0sender = 'XXX'  # 邮箱password = 'XXX'  # 开启163邮箱的IMAP，获取授权码# 尝试连接 IMAP 服务器for attempt in range(max_retries):try:email_server = IMAP4_SSL(host='imap.163.com')breakexcept Exception as e:if attempt < max_retries - 1:print(f"连接失败，正在重试... (尝试 {attempt + 1}/{max_retries})")time.sleep(retry_delay)else:print("连接失败，已达到最大重试次数。")return Noneemail_server.login(user=sender, password=password)imaplib.Commands["ID"] = ('AUTH',)args = ("name", sender, "contact", sender, "version", "1.0.0", "vendor", "myclient")email_server._simple_command("ID", str(args).replace(",", "").replace("\'", "\""))email_server.select('INBOX', readonly=True)emaillist = email_server.search(None, 'UnSeen')emailist = emaillist[1][0].split()for unseen in reversed(emailist):status, emaildata = email_server.fetch(unseen, '(RFC822)')messages = email.message_from_string(emaildata[0][1].decode('utf-8'))date = datetime.datetime.strftime(parse(messages['Date']) + datetime.timedelta(hours=8),'%Y-%m-%d %H:%M:%S')print(date, now_time)if date >= now_time:status = 1passelse:time.sleep(3)print('暂未收到验证码！等待3秒后重试')email_server.close()email_server.logout()breakmessage_subject = email.header.decode_header(messages["Subject"])subject = str_to_unicode(message_subject[0][0], message_subject[0][1])if 'amazon.com' in subject or 'Account data access attempt' in subject:for data in messages.walk():if data.get_content_type() == 'text/html':charset = data.get_content_charset()data = data.get_payload(decode=True).decode(charset)code = str(get_xpath('/html/body/table/tbody/tr/td/table/tbody/tr[6]/td/p/text()', data)[0]).strip()email_server.close()email_server.logout()print(code)return codeelse:continueif status == 1:breaktime.sleep(3)if __name__ == '__main__':now_time = datetime.datetime.strftime(datetime.datetime.now(), '%Y-%m-%d %H:%M:%S')code = send_mail(now_time)print(code)

now_time = datetime.datetime.strftime(datetime.datetime.now(), '%Y-%m-%d %H:%M:%S')
code = send_mail(now_time)