root / pykota / trunk / pykota / loggers / system.py @ 2139

Revision 2139, 2.6 kB (checked in by jerome, 19 years ago)

Added the Log keyword property

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision Log
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1# PyKota
2# -*- coding: ISO-8859-15 -*-
3#
4# PyKota : Print Quotas for CUPS and LPRng
5#
6# (c) 2003-2004 Jerome Alet <alet@librelogiciel.com>
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
20#
21# $Id$
22#
23# $Log$
24# Revision 1.11  2004/05/24 11:59:51  jalet
25# More robust (?) code
26#
27# Revision 1.10  2004/05/07 14:43:46  jalet
28# Now logs the PID too
29#
30# Revision 1.9  2004/01/08 14:10:33  jalet
31# Copyright year changed.
32#
33# Revision 1.8  2003/10/07 09:07:29  jalet
34# Character encoding added to please latest version of Python
35#
36# Revision 1.7  2003/07/07 11:49:24  jalet
37# Lots of small fixes with the help of PyChecker
38#
39# Revision 1.6  2003/04/23 22:13:57  jalet
40# Preliminary support for LPRng added BUT STILL UNTESTED.
41#
42# Revision 1.5  2003/03/29 13:45:27  jalet
43# GPL paragraphs were incorrectly (from memory) copied into the sources.
44# Two README files were added.
45# Upgrade script for PostgreSQL pre 1.01 schema was added.
46#
47# Revision 1.4  2003/02/27 23:48:41  jalet
48# Correctly maps PyKota's log levels to syslog log levels
49#
50# Revision 1.3  2003/02/27 22:55:20  jalet
51# WARN log priority doesn't exist.
52#
53# Revision 1.2  2003/02/05 23:47:54  jalet
54# Forgotten default argument
55#
56# Revision 1.1  2003/02/05 23:09:20  jalet
57# Name conflict
58#
59#
60#
61
62import os
63import syslog
64
65class Logger :
66    """A logger class which logs to syslog."""
67    levels = { "error" : "ERR", "warn": "WARNING", "info": "INFO", "debug": "DEBUG" }
68    def __init__(self) :
69        """Opens the logging subsystem."""
70        syslog.openlog("PyKota", 0, syslog.LOG_LPR)
71       
72    def __del__(self) :   
73        """Ensures the logging subsystem is closed."""
74        syslog.closelog()
75       
76    def log_message(self, message, level="info") :
77        """Sends the message to syslog."""
78        priority = getattr(syslog, "LOG_%s" % self.levels.get(level.lower(), "DEBUG").upper(), syslog.LOG_DEBUG)
79        try :
80            syslog.syslog(priority, "(PID %s) : %s" % (os.getpid(), message.strip()))
81        except :   
82            pass # What else could we do ?
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