# notify.py - example of getting notifies
#
# Copyright (C) 2001 Federico Di Gregorio  <fog@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.
#
# -*- Mode: pyhton -*-

## put in DSN your DSN string

DSN = 'dbname=test user=test'

## don't modify anything below tis line (except for experimenting)

import sys, psycopg, select


if len(sys.argv) > 1:
    DSN = sys.argv[1]

print "Opening connection using dns:", DSN
conn = psycopg.connect(DSN)
conn.autocommit(1)

curs = conn.cursor()

curs.execute("listen test")

print "Waiting for 'NOTIFY test'"
while 1:
    if select.select([curs],[],[],5)==([],[],[]):
        print "Timeout"
    else:
        curs.execute("select 1")
        print "Got: %s" % curs.notifies()