An implementation of the psycopg2 module using cffi. The module is currently compatible with Psycopg 2.4.4.
You can install psycopg2cffi from pypi:
pip install psycopg2cffi
Or from source:
python setup.py develop
Installation requirements are the same as for psycopg2 - you must have libpq headers, pg_config somewhere on your $PATH. Installation was tested on Ubuntu 12.04 and CentOS (RHEL 5.0). It should be possible to make it work on Windows, but I did not even test it.
This module is only tested with python 2.6+ and PyPy 2.0 (and will definityly not work on PyPy 1.9).
To use this package with Django or SQLAlchemy invoke a compatability hook (for example, from settings.py in case of django, or from a psycopg2.py file in site-packages of your virtual env):
from psycopg2cffi import compat compat.register()
This will map psycopg2cffi to psycopg2.
To run tests, install pytest and run them with:
py.test psycopg2cffi
Submit issues to https://github.com/chtd/psycopg2cffi/issues
If you notice that psycopg2cffi under PyPy is noticably slower than psycopg2 under CPython, submit this to the issues too - it should not be the case.
This is a port of (Michael van Tellingen port https://github.com/mvantellingen/psycopg2-ctypes of Alex Gaynor’s rpython port (https://bitbucket.org/alex_gaynor/pypy-postgresql/overview) of psycopg2 to python + ctypes) to cffi.
The main motivation for a port was speed - the writeup with benchmarks is here: http://chtd.ru/blog/bystraya-rabota-s-postgres-pod-pypy/?lang=en
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