odoo后台调用路由接口

from odoo.exceptions import UserError
import requests
from odoo.http import request

def action_commit_approval(self,action_type='commit_approval'):
    """
    action_type : commit_approval/cancel_approval
    """
    self.ensure_one()
    base_url = self.env['ir.config_parameter'].sudo().get_param('web.base.url', default='http://localhost:8069')
    data = {
        'model_name': self._name,
        'res_id': self.id,
        'action_type': action_type
    }
    session = request.session
    opener = requests.Session()
    opener.cookies['session_id'] = session.sid
    res = opener.post(url=base_url + '/web/dataset/control_approval', json={'params': data})
    resp = json.loads(res.content)
    if resp.get('result') and resp['result'].get('state') == 1:
        print('提交审批成功1')
        res = opener.post(url=base_url+'/web/dataset/instance_get_info',json={'params': data})
        resp = json.loads(res.content)
        if resp.get('result'):
            print('提交审批成功2',resp.get('result').get('approval_state'))
    else:
        error = resp.get('error').get('data').get('message')
        raise UserError(error)