-setattr(ConstantIncludeNode, LOADED_TEMPLATE_ATTR, property(get_included))
-
-
-def default_callback(node, result_list):
- result_list.append(node)
-
- if hasattr(node, 'child_nodelists'):
- for nodelist_name in node.child_nodelists:
- if hasattr(node, nodelist_name):
- nodelist_crawl(getattr(node, nodelist_name), default_callback)
-
- # LOADED_TEMPLATE_ATTR contains the name of an attribute philo uses to declare a
- # node as rendering an additional template. Philo monkeypatches the attribute onto
- # the relevant default nodes and declares it on any native nodes.
- if hasattr(node, LOADED_TEMPLATE_ATTR):
- loaded_template = getattr(node, LOADED_TEMPLATE_ATTR)
- if loaded_template:
- nodelist_crawl(loaded_template.nodelist, default_callback)
-
-
-def nodelist_crawl(nodelist, callback=default_callback, *args, **kwargs):
- """This function crawls through a template's nodelist and the
- nodelists of any included or extended templates, as determined by
- the presence and value of <LOADED_TEMPLATE_ATTR> on a node. Each
- node will also be passed to a callback function for additional
- processing, along with any additional args and kwargs."""
- for node in nodelist:
- try:
- callback(node, *args, **kwargs)
- except:
- raise # fail for this node
\ No newline at end of file