start adding utility functions.

1 files changed, 23 insertions, 1 deletions

diff --git a/src/py-libs/util.py b/src/py-libs/util.py
index b6610fb..dc34831 100644
--- a/src/py-libs/util.py
+++ b/src/py-libs/util.py
@@ -1,4 +1,6 @@
 #!/usr/bin/python -tt
+# vim:expandtab:autoindent:tabstop=4:shiftwidth=4:filetype=python:textwidth=0:
+#
 # 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
@@ -17,13 +19,33 @@
 # revised and adapted by Michael Brown
 
 # python library imports
+import logging
+import os
+import os.path
 
 # our imports
 import mock.exception
+from mock.trace_decorator import trace
+
+# set up logging
+log = logging.getLogger("mock.util")
 
 # classes
-class commandTimeoutExpired(Error):
+class commandTimeoutExpired(mock.exception.Error):
     def __init__(self, msg):
         Error.__init__(self, msg)
         self.msg = msg
         self.resultcode = 10
+
+# functions
+@trace
+def mkdirIfAbsent(dir):
+    log.debug("ensuring that dir exists: %s" % dir)
+    if not os.path.exists(dir):
+        try:
+            log.debug("creating dir: %s" % dir)
+            os.makedirs(dir)
+        except OSError, e:
+            log.exception()
+            raise mock.exception.Error, "Could not create dir %s. Error: %s" % (dir, e)
+