Package appstream-generator

https://github.com/ximion/appstream-generator

appstream-generator is a tool to generate distribution metadata
from package repositories. It will extract icons, download
screenshots, validate and transform the metadata, and return
XML or YAML files that can be read by AppStream clients,
such as software centers. It will also generate issue reports
as JSON documents and HTML pages.

Version: 0.9.1

See also: appstream, appstream-compose.