Subprocesses are slow and we have to pass too many different parameters
for rendering. It's better to pass just metadata object and use Python
interface.
Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>
We can't reliably get mappings between requires and conflicts, so
just split the out to not confuse people.
Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>
