python钉钉工作提示

import requests, json
from it.models import SysConf
import datetime


class DingDing:
    def get_access_token(self):
        _t = SysConf.objects.get(type='ali', key='ACCESS_TOKEN')
        if _t.update_time + datetime.timedelta(hours=_t.valid_time.hour) > datetime.datetime.now():
            return _t.value
        params = {
            'appkey': SysConf.objects.get(type='ali', key='APP_KEY').value,
            'appsecret': SysConf.objects.get(type='ali', key='APP_SECRET').value,
        }
        res = requests.get('https://oapi.dingtalk.com/gettoken', params)
        access_token = json.loads(res.text).get('access_token')
        _t.value = access_token
        _t.save()
        return access_token

    def send_inform(self, userid_list, title, text):
        '''
        :param title: 会话透出的展示内容
        :param text: markdown格式的消息，建议500字内
        :return: True or False
        '''
        url = f'https://oapi.dingtalk.com/topapi/message/corpconversation/asyncsend_v2'
        params = {'access_token': self.get_access_token()}
        data = {
            'agent_id': SysConf.objects.get(type='ali', key='AGENT_ID').value,
            'msg': {"markdown": {"text": text, "title": title}, "msgtype": "markdown"},
            'userid_list': userid_list,
        }
        res = requests.post(url, data=json.dumps(data), params=params).json()
        if res.get('errcode') == 0:return True
        else:return False

SysConf.py

from django.db import models


# Create your models here.
class SysConf(models.Model):
    type = models.CharField('类型', max_length=32)
    key = models.CharField('键', max_length=32)
    value = models.CharField('值', max_length=255)
    update_time = models.DateTimeField('最近更新时间', auto_now_add=True, null=True, blank=True)
    valid_time = models.TimeField('有效时间', null=True, blank=True)

    class Meta:
        managed = False
        db_table = 'qweqweqwe'
        verbose_name = '配置表'
        verbose_name_plural = verbose_name