':param file: èŠäžäŒ çæä»¶ïŒäžäžª File-object
:return: è¿åç JSON æ°æ®å'

def upload_news_picture(self, file):

    return self.post(url='https://api.weixin.qq.com/cgi-bin/media/uploadimg', params={'access_token': self.token}, files={'media': file})
