briefcase_client.py 文件源码

def download_media_files(self, xml_doc, media_path):
        for media_node in xml_doc.getElementsByTagName('mediaFile'):
            filename_node = media_node.getElementsByTagName('filename')
            url_node = media_node.getElementsByTagName('downloadUrl')
            if filename_node and url_node:
                filename = filename_node[0].childNodes[0].nodeValue
                path = os.path.join(media_path, filename)
                if default_storage.exists(path):
                    continue
                download_url = url_node[0].childNodes[0].nodeValue
                if self._get_media_response(download_url):
                    download_res = self._current_response
                    media_content = ContentFile(download_res.content)
                    default_storage.save(path, media_content)
                    self.logger.debug("Fetched %s." % filename)
                else:
                    self.logger.error("Failed to fetch %s." % filename)