Schema validation with multiple xsd

[Peter Schober]

* Abraham Martin <amc203 at cam.ac.uk> [2014-06-16 18:08]:
> We are developing a python app to manage shibboleth SAML metadata.

Not sure what you're after but check out some of those Free/Libre
projects, maybe you'll find something useful there:
https://github.com/leifj/pyFF/
https://github.com/rohe/pysaml2/
https://github.com/Yaco-Sistemas/peer/
-peter