Psycopg on Mac OS 10.8 with Python 2.7 and Postgresql 9.2

I don't have time for a full tutorial, but here is how I managed, after weeks of trying without luck, to get Psycopg2 to work with Python 2.7.3 and PostgreSQL 9.2 on Mac OS 10.8, Mountain Lion.

The problem I was having, after installing Psycopg using python install was related to this error when running import psycopg2 from a Python shell. Symbol not found: _PQbackendPID.

This fixed it:

Me suplantan / I am being impersonated

The website calling itself "Fernando Diaz del Castillo Picks and Rambles" is in no way associated with me and is an abusive use of my name for a publicity scheme.

El sitio web llamado "Fernando Díaz del Castillo Picks and Rambles" no está asociado de ninguna manera conmigo y es un uso abusivo de mi nombre para un esquema publicitario.