Commit b1abfb3c authored by Anubhav Joshi's avatar Anubhav Joshi Committed by Tim Graham
Browse files

Fixed #21707 -- Added helpful error message when using {{ block.super }} in base template. 

Thanks mitar for the suggestion.
parent 5f919b9c

django/template/loader_tags.py

+5 −0
Original line number Diff line number Diff line
@@ -68,6 +68,11 @@ class BlockNode(Node): 
        return result



    def super(self):

        if not hasattr(self, 'context'):

            raise TemplateSyntaxError(

                "'%s' object has no attribute 'context'. Did you use "

                "{{ block.super }} in a base template?" % self.__class__.__name__

            )

        render_context = self.context.render_context

        if (BLOCK_CONTEXT_KEY in render_context and

                render_context[BLOCK_CONTEXT_KEY].get_block(self.name) is not None):

tests/template_tests/tests.py

+3 −0
Original line number Diff line number Diff line
@@ -881,6 +881,9 @@ class TemplateTests(TestCase): 
            # Raise exception for custom tags used in child with {% load %} tag in parent, not in child

            'exception04': ("{% extends 'inheritance17' %}{% block first %}{% echo 400 %}5678{% endblock %}", {}, template.TemplateSyntaxError),



            # Raise exception for block.super used in base template

            'exception05': ("{% block first %}{{ block.super }}{% endblock %}", {}, template.TemplateSyntaxError),



            ### FILTER TAG ############################################################

            'filter01': ('{% filter upper %}{% endfilter %}', {}, ''),

            'filter02': ('{% filter upper %}django{% endfilter %}', {}, 'DJANGO'),