[Checkins] SVN: five.pt/trunk/ Re-added ``same_type`` function to the default context.

[Malthe Borch]

Log message for revision 122251:
  Re-added ``same_type`` function to the default context.

Changed:
  U   five.pt/trunk/CHANGES.txt
  U   five.pt/trunk/src/five/pt/patches.py

-=-
Modified: five.pt/trunk/CHANGES.txt
===================================================================
--- five.pt/trunk/CHANGES.txt	2011-07-14 20:28:36 UTC (rev 122250)
+++ five.pt/trunk/CHANGES.txt	2011-07-15 06:12:58 UTC (rev 122251)
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+In next release ...
+
+- Added the ``same_type`` function to the provided context.
+  [malthe]
+
 2.1 (2011-07-14)
 ~~~~~~~~~~~~~~~~
 

Modified: five.pt/trunk/src/five/pt/patches.py
===================================================================
--- five.pt/trunk/src/five/pt/patches.py	2011-07-14 20:28:36 UTC (rev 122250)
+++ five.pt/trunk/src/five/pt/patches.py	2011-07-15 06:12:58 UTC (rev 122251)
@@ -97,6 +97,17 @@
         self._v_errors = ()
 
 
+def same_type(arg1, *args):
+    """Compares the class or type of two or more objects. Copied from
+    RestrictedPython.
+    """
+    t = getattr(arg1, '__class__', type(arg1))
+    for arg in args:
+        if getattr(arg, '__class__', type(arg)) is not t:
+            return False
+    return True
+
+
 def test(condition, a, b):
     if condition:
         return a
@@ -133,6 +144,7 @@
             # the turnary operator in place of calls to the test
             # function.
             context.setdefault('test', test)
+            context.setdefault('same_type', same_type)
 
             result = self.template.render(**context)