root / pykota / trunk / pykota / loggers / system.py @ 3411

Revision 3411, 1.9 kB (checked in by jerome, 16 years ago)

Minor change to please emacs...

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
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1# -*- coding: utf-8 -*-*-
2#
3# PyKota : Print Quotas for CUPS
4#
5# (c) 2003, 2004, 2005, 2006, 2007, 2008 Jerome Alet <alet@librelogiciel.com>
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <http://www.gnu.org/licenses/>.
18#
19# $Id$
20#
21#
22
23"""This module defines a class for PyKota logging through syslog."""
24
25import sys
26import os
27import syslog
28
29__revision__ = "$Id$"
30
31class Logger :
32    """A logger class which logs to syslog."""
33    levels = { "error" : "ERR", "warn": "WARNING", \
34               "info": "INFO", "debug": "DEBUG" }
35    def __init__(self) :
36        """Opens the logging subsystem."""
37        syslog.openlog("PyKota", 0, syslog.LOG_LPR)
38       
39    def __del__(self) :   
40        """Ensures the logging subsystem is closed."""
41        syslog.closelog()
42       
43    def log_message(self, message, level="info") :
44        """Sends the message to syslog."""
45        priority = getattr(syslog, \
46                           "LOG_%s" % self.levels.get(level.lower(), \
47                                                      "DEBUG").upper(), \
48                           syslog.LOG_DEBUG)
49        try :                   
50            message = message.strip().encode(sys.stdout.encoding or "UTF-8", \
51                                             "replace")
52        except UnicodeDecodeError :   
53            pass
54        syslog.syslog(priority, "(PID %s) : %s" % (os.getpid(), message))
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