import os from pot_libs.logger import log from unify_api import constants async def get_download(request): """装置升级""" file_path = os.path.expanduser(constants.DEVICE_UPGRADED_FILE) print(file_path) if os.path.exists(file_path): with open(file_path, 'rb') as fh: # 浏览器响应视为文件附件 return fh.read() log.error("请正确放置upgrade.bin")