Merge 31cacc2 into 78f1a38

chevron/renderer.py

@@ -66,11 +66,16 @@ def _get_key(key, scopes):
                     scope = scope[child]
                 except (TypeError, AttributeError):
                     try:
-                        # Try the dictionary (Complex types)
-                        scope = scope.__dict__[child]
+                        # Try namedtuple (which does not have __dict__ in
+                        # Python 3: https://bugs.python.org/issue24931)
+                        scope = scope._asdict()[child]
                     except (TypeError, AttributeError):
-                        # Try as a list
-                        scope = scope[int(child)]
+                        try:
+                            # Try the dictionary (Complex types)
+                            scope = scope.__dict__[child]
+                        except (TypeError, AttributeError):
+                            # Try as a list
+                            scope = scope[int(child)]
 
             # Return an empty string if falsy, with two exceptions
             # 0 should return 0, and False should return False

test_spec.py

@@ -1,6 +1,7 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
 
+import collections
 import unittest
 import os
 import json
@@ -435,6 +436,18 @@ def test_indexed(self):
 
         self.assertEqual(result, expected)
 
+    def test_namedtuple_data(self):
+        NT = collections.namedtuple('NT', ['foo', 'bar'])
+        args = {
+            'template': '{{foo}} {{bar}}',
+            'data': NT('hello', 'world')
+        }
+
+        result = chevron.render(**args)
+        expected = 'hello world'
+
+        self.assertEqual(result, expected)
+
 
 # Run unit tests from command line
 if __name__ == "__main__":