[pygobject] [gi-overrides] fix setting rows in treeview to accept None as a value

[John Palmieri <johnp src gnome org>]

commit 702a89beca92cab6b0142829b20281b9245f28b8
Author: John (J5) Palmieri <johnp redhat com>
Date:   Wed Feb 23 15:11:59 2011 -0500

    [gi-overrides] fix setting rows in treeview to accept None as a value
    
     * as done in PyGTK None indicates the column should not be set

 gi/overrides/Gtk.py     |    3 +++
 tests/test_overrides.py |   18 +++++++++++++-----
 2 files changed, 16 insertions(+), 5 deletions(-)
---
diff --git a/gi/overrides/Gtk.py b/gi/overrides/Gtk.py
index 37f4e98..31d1362 100644
--- a/gi/overrides/Gtk.py
+++ b/gi/overrides/Gtk.py
@@ -720,6 +720,9 @@ class TreeModel(Gtk.TreeModel):
 
         for i in range(n_columns):
             value = row[i]
+            if value is None:
+               continue  # None means skip this row
+
             self.set_value(treeiter, i, value)
 
     def _convert_value(self, treeiter, column, value):
diff --git a/tests/test_overrides.py b/tests/test_overrides.py
index 36b9f59..2fc5512 100644
--- a/tests/test_overrides.py
+++ b/tests/test_overrides.py
@@ -783,16 +783,24 @@ class TestGtk(unittest.TestCase):
                                       False))
 
         # add sorted items out of order to test insert* apis
+        # also test sending in None to not set a column
         i = 97
         label = 'this is row #97'
-        treeiter = list_store.append((i,
-                                      label,
-                                      TestGtk.TestClass(self, i, label),
+        treeiter = list_store.append((None,
+                                      None,
+                                      None,
                                       test_pyobj,
-                                      test_pydict,
+                                      None,
                                       test_pylist,
                                       1,
-                                      True))
+                                      None))
+
+        list_store.set_value(treeiter, 0, i)
+        list_store.set_value(treeiter, 1, label)
+        list_store.set_value(treeiter, 2, TestGtk.TestClass(self, i, label))
+        list_store.set_value(treeiter, 4, test_pydict)
+        list_store.set_value(treeiter, 7, True)
+ 
         # this should append
         i = 99
         label = 'this is row #99'