Using repoze.catalog Within Pyramid¶ repoze.catalog is a ZODB-based system that can be used to index Python objects. It also offers a query interface for retrieving previously indexed data. Those whom are used to Zope’s “ZCatalog” implementation will feel at home using repoze.catalog. This tutorial assumes that you want a Zope-like setup. For example, it assumes you want to use a persistent ZODB o