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#!/usr/bin/env python
# Logging functions
# Copyright (C) 2001, 2002 James Troup <james@nocrew.org>
# $Id: logging.py,v 1.3 2002/10/16 02:47:32 troup Exp $
# 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 of the License, 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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
################################################################################
import os, pwd, time;
import utils;
################################################################################
class Logger:
"Logger object"
Cnf = None;
logfile = None;
program = None;
def __init__ (self, Cnf, program):
"Initialize a new Logger object"
self.Cnf = Cnf;
self.program = program;
# Create the log directory if it doesn't exist
logdir = Cnf["Dir::Log"];
if not os.path.exists(logdir):
umask = os.umask(00000);
os.makedirs(logdir, 02775);
# Open the logfile
logfilename = "%s/%s" % (logdir, time.strftime("%Y-%m"));
logfile = utils.open_file(logfilename, 'a');
# Seek to the end of the logfile
logfile.seek(0,2);
self.logfile = logfile;
# Log the start of the program
user = pwd.getpwuid(os.getuid())[0];
self.log(["program start", user]);
def log (self, details):
"Log an event"
# Prepend the timestamp and program name
details.insert(0, self.program);
timestamp = time.strftime("%Y%m%d%H%M%S");
details.insert(0, timestamp);
# Force the contents of the list to be string.join-able
details = map(str, details);
# Write out the log in TSV
self.logfile.write("~".join(details)+'\n');
# Flush the output to enable tail-ing
self.logfile.flush();
def close (self):
"Close a Logger object"
self.log(["program end"]);
self.logfile.flush();
self.logfile.close();
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