bot.py 文件源码

def send_image(self, recipient_id, image_path):
        '''Send an image to the specified recipient.
        Image must be PNG or JPEG or GIF (more might be supported).
        https://developers.facebook.com/docs/messenger-platform/send-api-reference/image-attachment
        Input:
            recipient_id: recipient id to send to
            image_path: path to image to be sent
        Output:
            Response from API as <dict>
        '''
        payload = {
            'recipient': json.dumps(
                {
                    'id': recipient_id
                }
            ),
            'message': json.dumps(
                {
                    'attachment': {
                        'type': 'image',
                        'payload': {}
                    }
                }
            ),
            'filedata': (image_path, open(image_path, 'rb'))
        }
        multipart_data = MultipartEncoder(payload)
        multipart_header = {
            'Content-Type': multipart_data.content_type
        }
        return requests.post(self.base_url, data=multipart_data, headers=multipart_header).json()