MainMenu object is not rendered properly in Django 1.3 templates.
So the problem is that: 'MainMenu' object has no attribute 'alters_data'. From my investigation in Django source code and documentation: Changed in Django 1.3: Previously, only variables that originated with an attribute lookup would be called by the template system. This change was made for consistency across lookup types. ... A variable can only be called if it has no required arguments. Otherwise, the system will return an empty string. Obviously, there can be side effects when calling some variables, and it'd be either foolish or a security hole to allow the template system to access them. More info here: https://docs.djangoproject.com/en/1.3/ref/templates/api/#rendering-a-context Unfortunately, even adding 'self.alters_data = False' attribute to MainMenu and/or Menu class, didn't solve the problem (only exception is not raise, but menu is still not rendered). I'm going to further investigate.
Menu rendering could be fixed with making MainMenu _not_ callable. Which means moving operations from __call__ to (for example) LazyMenu.__get__. But this is only workaround, which doesn't solve the cause of the problem. Do you want me to write such a patch?
(In reply to comment #2) > Menu rendering could be fixed with making MainMenu _not_ callable. Which means > moving operations from __call__ to (for example) LazyMenu.__get__. But this is > only workaround, which doesn't solve the cause of the problem. > > Do you want me to write such a patch? Even a hack is definitely better than nothing. But if you can write something which is not a workaround, please do so.
Created attachment 516937 [details] MainMenu patch Attached is the patch. I think that it would not be possible to preserve MainMenu as callable object. According to Django 1.3 documentation every callable variable in templates must not accept any attribute.
pushed to git
Setting to VERIFIED since we use MainMenu successfully with Django-1.3
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