gistfile1.py

# gunicorn.conf.py: getting gevent and gevent-psycopg2 running

bind = '127.0.0.1:1437'
accesslog = "<some-path>/logs/gunicorn-access.log"
errorlog = "<some-path>/logs/gunicorn-error.log"
workers = 5
try:
    # fail 'successfully' if either of these modules aren't installed
    from gevent import monkey
    import gevent_psycopg2

    # setting this inside the 'try' ensures that we only 
    # activate the gevent worker pool if we have gevent installed
    worker_class = 'gevent'

    # this ensures forked processes are patched with gevent/gevent-psycopg2
    def do_post_fork(server, worker):
        monkey.patch_all()
        gevent_psycopg2.monkey_patch()

        # you should see this text in your gunicorn logs if it was successful
        worker.log.info("Made Psycopg2 Green")

    post_fork = do_post_fork
except ImportError:
    pass


# in your settings.py, along with the rest of your settings for celery:
CELERYD_POOL = 'gevent'


# if you want gevent and gevent-pscopg2 to work for management commands, runserver 
# and other things on the command line, add the following to the top of your manage.py 
# like so (based on a 1.4.x Django installation):
try:
    from gevent import monkey
    monkey.patch_all()
except ImportError:
    pass

try:
    import gevent_psycopg2
    gevent_psycopg2.monkey_patch()
except ImportError:
    pass

# ... the rest of manage.py is here