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Timestamp:
02/05/08 17:41:48 (1 year ago)
Author:
mtredinnick
Message:

Tweaked [7082] and [7084] a little bit to also allow comment nodes prior to the extends tag.

This would be little less fiddly if we knew nodelist were always of type
NodeList?, but they could be normal lists. Or if we merged successive TextNodes?,
instead of appending them. Something to think about going forwards.

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  • django/trunk/django/template/__init__.py

    r7084 r7089  
    290290 
    291291    def extend_nodelist(self, nodelist, node, token): 
    292         if (node.must_be_first and nodelist and 
    293                 (not isinstance(nodelist[0], TextNode) or len(nodelist) > 2)): 
    294             raise TemplateSyntaxError("%r must be the first tag in the template." % node) 
     292        if node.must_be_first and nodelist: 
     293            try: 
     294                if nodelist.contains_nontext: 
     295                    raise AttributeError 
     296            except AttributeError: 
     297                raise TemplateSyntaxError("%r must be the first tag in the template." % node) 
     298        if isinstance(nodelist, NodeList) and not isinstance(node, TextNode): 
     299            nodelist.contains_nontext = True 
    295300        nodelist.append(node) 
    296301 
    …… 
    733738 
    734739class NodeList(list): 
     740    # Set to True the first time a non-TextNode is inserted by 
     741    # extend_nodelist(). 
     742    contains_nontext = False 
     743 
    735744    def render(self, context): 
    736745        bits = []