New logging module

diff --git a/logging.py b/logging.py
new file mode 100644 (file)
index 0000000..5aba74d
--- /dev/null
+++ b/logging.py
@@ -0,0 +1,68 @@
+# Logging functions
+# Copyright (C) 2001  James Troup <james@nocrew.org>
+# $Id: logging.py,v 1.1 2001-07-07 03:59:45 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, string, 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::LogDir"];
+        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", time.localtime(time.time())));
+        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", time.localtime(time.time()));
+        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(string.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();