fixed issue #461

- config.add_view() raises an AttributeError for __text__ if the View is an instancemethod.
  added wrapper adding the __text__ attribute if it isnt present yet.

1 files changed, 12 insertions, 1 deletions

diff --git a/pyramid/config/views.py b/pyramid/config/views.py
index 0f70c604f..7d0a5a971 100644
--- a/pyramid/config/views.py
+++ b/pyramid/config/views.py
@@ -139,7 +139,18 @@ class ViewDeriver(object):
                             self.http_cached_view(
                                 self.decorated_view(
                                     self.rendered_view(
-                                        self.mapped_view(view)))))))))
+                                        self.mapped_view(
+                                            self.text_wrapped_view(view))))))))))
+    @wraps_view
+    def text_wrapped_view(self, view):
+        # wraps the view and adds __text__ attribute
+        # intended for instancemethods
+        if hasattr(view, '__text__'):
+            return view
+        def text_wrapper(context, request):
+            return view(context, request)
+        text_wrapper.__text__ = ''
+        return text_wrapper
 
     @wraps_view
     def mapped_view(self, view):