mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-14 21:16:34 +03:00
44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
|
# notify.py - example of getting notifies
|
||
|
|
#
|
||
|
|
# Copyright (C) 2001-2005 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.
|
||
|
|
|
||
|
|
## put in DSN your DSN string
|
||
|
|
|
||
|
|
DSN = 'dbname=test'
|
||
|
|
|
||
|
|
## don't modify anything below tis line (except for experimenting)
|
||
|
|
|
||
|
|
import sys
|
||
|
|
import psycopg2
|
||
|
|
import select
|
||
|
|
|
||
|
|
if len(sys.argv) > 1:
|
||
|
|
DSN = sys.argv[1]
|
||
|
|
|
||
|
|
print "Opening connection using dns:", DSN
|
||
|
|
conn = psycopg2.connect(DSN)
|
||
|
|
print "Encoding for this connection is", conn.encoding
|
||
|
|
|
||
|
|
conn.set_isolation_level(0)
|
||
|
|
curs = conn.cursor()
|
||
|
|
|
||
|
|
curs.execute("listen test")
|
||
|
|
|
||
|
|
print "Waiting for 'NOTIFY test'"
|
||
|
|
while 1:
|
||
|
|
if select.select([curs],[],[],5)==([],[],[]):
|
||
|
|
print "Timeout"
|
||
|
|
else:
|
||
|
|
if curs.isready():
|
||
|
|
print "Got NOTIFY: %s" % str(curs.connection.notifies.pop())
|