This is a Zope database adapter for PostGreSQL based on psycopg2 for Zope 4 and up on all Python versions supported by Zope 4 and 5.
The code was forked from the original project at https://github.com/psycopg/ZPsycopgDA because it appears to be dead. The old code is not compatible with Zope 4/5 and Python 3.