[Assorted-commits] SF.net SVN: assorted: [705] python-commons/trunk/src/commons/misc.py

[<yan...@us...>]

Revision: 705
          http://assorted.svn.sourceforge.net/assorted/?rev=705&view=rev
Author:   yangzhang
Date:     2008-05-07 20:18:47 -0700 (Wed, 07 May 2008)

Log Message:
-----------
added seq, default_if_none

Modified Paths:
--------------
    python-commons/trunk/src/commons/misc.py

Modified: python-commons/trunk/src/commons/misc.py
===================================================================
--- python-commons/trunk/src/commons/misc.py	2008-05-07 16:06:28 UTC (rev 704)
+++ python-commons/trunk/src/commons/misc.py	2008-05-08 03:18:47 UTC (rev 705)
@@ -46,3 +46,17 @@
     finally:
         end = time()
         output[0] = end - start
+
+def default_if_none(x, d):
+    """
+    Returns L{x} if it's not None, otherwise returns L{d}.
+    """
+    if x is None: return d
+    else: return x
+
+def seq(f, g):
+    """
+    Evaluate 0-ary functions L{f} then L{g}, returning L{g()}.
+    """
+    f()
+    return g()


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.