It's relatively straightforward to map a materialized view to an ORM entity in SQLAlchemy, if that's what you want to do:
http://www.jeffwidman.com/blog/847/using-sqlalchemy-to-creat...
SQLAlchemy's ability to separate out the query API, metadata, data objects, and combine them all via mappers is very powerful. I've been using SQLA for many years, and I still regularly find some functionality that I was never aware of.