In the effort to Port All The Things from yum to dnf/hawkey/librepo, we've hit a roadblock with the `yum.update_md` UpdateMetadata parser. It doesn't seem like there is an easy way to parse this file from the repodata. http://yum.baseurl.org/gitweb?p=yum.git;a=blob;f=yum/update_md.py
I did stumble upon a python-Updateinfo package that the Scientific Linux folks created for dealing with this file, which has potential: girpm.pbone.net/index.php3/stat/4/idpl/22670939/dir/scientific_linux_6/com/python-Updateinfo-0.1.5-6.5.sl6.noarch.rpm.html (I can't seem to find the upstream repo though...)
(In reply to Luke Macken from comment #1) > I did stumble upon a python-Updateinfo package that the Scientific Linux > folks created for dealing with this file, which has potential: Oops, botched the link. http://rpm.pbone.net/index.php3/stat/4/idpl/22670939/dir/scientific_linux_6/com/python-Updateinfo-0.1.5-6.5.sl6.noarch.rpm.html
Closing, as createrepo_c has support for this: https://github.com/Tojaj/createrepo_c/blob/master/examples/python/updateinfo_parsing.py