From 8392c93d8e6de82ff12330af1b79b8437e76ec0f Mon Sep 17 00:00:00 2001
From: Nathan Woodrow <nathan.woodrow@mapsolutions.com.au>
Date: Tue, 11 Jun 2013 22:13:34 +1000
Subject: [PATCH] Monkey patch __nonzero__ onto QPyNullVariant for easier null
 check.

Who doesn't love monkeys :)
---
 python/__init__.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/python/__init__.py b/python/__init__.py
index 2f38bae0d71..0940ed13a68 100755
--- a/python/__init__.py
+++ b/python/__init__.py
@@ -22,3 +22,15 @@ __date__ = 'January 2007'
 __copyright__ = '(C) 2007, Martin Dobias'
 # This will get replaced with a git SHA1 when you do a git archive
 __revision__ = '$Format:%H$'
+
+from PyQt4.QtCore import QPyNullVariant
+from types import MethodType
+
+# Add a __nonzero__ method onto QPyNullVariant so we can check for null values easier.
+#   >>> value = QPyNullVariant("int")
+#   >>> if value:
+#   >>>	  print "Not a null value"
+def __nonzero__(self):
+    return False
+
+QPyNullVariant.__nonzero__ = MethodType(__nonzero__, None, QPyNullVariant)