':param title: è§é¢çŽ æçæ é¢
:param introduction: è§é¢çŽ æçæè¿°
:param video: èŠäžäŒ çè§é¢ïŒäžäžª File-object
:return: requests ç Response å®äŸ'

def upload_permanent_video(self, title, introduction, video):

    return requests.post(url='https://api.weixin.qq.com/cgi-bin/material/add_material', params={'access_token': self.token, 'type': 'video'}, data={'description': _json.dumps({'title': title, 'introduction': introduction}, ensure_ascii=False).encode('utf-8')}, files={'media': video})
