From the README:

  PyGreSQL is a python module that interfaces to a PostgreSQL database. It
  embeds the PostgreSQL query library to allow easy use of the powerful
  PostgreSQL features from a Python script.

PyGreSQL includes a DB-API 2.0 compliant API wrapper.

Author:   D'Arcy J.M. Cain <darcy@druid.net>
WWW:      http://www.pygresql.org