X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/54b897cf7eb8b3840b7b53d355d6db6462002b28..c79f6c48cae9411acf3f413b25d942df34f7719f:/philo/models/nodes.py

diff --git a/philo/models/nodes.py b/philo/models/nodes.py
index a9b77fb..87ccb40 100644
--- a/philo/models/nodes.py
+++ b/philo/models/nodes.py
@@ -8,16 +8,19 @@ from django.core.servers.basehttp import FileWrapper
 from django.core.urlresolvers import resolve, clear_url_caches, reverse, NoReverseMatch
 from django.db import models
 from django.http import HttpResponse, HttpResponseServerError, HttpResponseRedirect, Http404
-from django.template import add_to_builtins as register_templatetags
 from django.utils.encoding import smart_str
 
 from philo.exceptions import MIDDLEWARE_NOT_CONFIGURED, ViewCanNotProvideSubpath, ViewDoesNotProvideSubpaths
-from philo.models.base import TreeEntity, Entity, QuerySetMapper, register_value_model
+from philo.models.base import TreeEntity, Entity, register_value_model
 from philo.models.fields import JSONField
 from philo.utils import ContentTypeSubclassLimiter
+from philo.utils.entities import LazyPassthroughAttributeMapper
 from philo.signals import view_about_to_render, view_finished_rendering
 
 
+__all__ = ('Node', 'View', 'MultiView', 'Redirect', 'File')
+
+
 _view_content_type_limiter = ContentTypeSubclassLimiter(None)
 
 
@@ -170,12 +173,12 @@ class View(Entity):
 		"""
 		raise NotImplementedError("View subclasses must implement get_reverse_params to support subpaths.")
 	
-	def attributes_with_node(self, node):
+	def attributes_with_node(self, node, mapper=LazyPassthroughAttributeMapper):
 		"""
-		Returns a :class:`~philo.models.base.QuerySetMapper` using the :class:`Node`'s attributes as a passthrough.
+		Returns a :class:`LazyPassthroughAttributeMapper` which can be used to directly retrieve the values of :class:`Attribute`\ s related to the :class:`View`, falling back on the :class:`Attribute`\ s of the passed-in :class:`Node` and its ancestors.
 		
 		"""
-		return QuerySetMapper(self.attribute_set, passthrough=node.attributes)
+		return mapper((self, node))
 	
 	def render_to_response(self, request, extra_context=None):
 		"""
@@ -288,7 +291,7 @@ class MultiView(View):
 
 class TargetURLModel(models.Model):
 	"""An abstract parent class for models which deal in targeting a url."""
-	#: An optional :class:`ForeignKey` to a :class:`Node`. If provided, that node will be used as the basis for the redirect.
+	#: An optional :class:`ForeignKey` to a :class:`.Node`. If provided, that node will be used as the basis for the redirect.
 	target_node = models.ForeignKey(Node, blank=True, null=True, related_name="%(app_label)s_%(class)s_related")
 	#: A :class:`CharField` which may contain an absolute or relative URL, or the name of a node's subpath.
 	url_or_subpath = models.CharField(max_length=200, blank=True, help_text="Point to this url or, if a node is defined and accepts subpaths, this subpath of the node.")
@@ -386,5 +389,4 @@ class File(View):
 		return self.file.name
 
 
-register_templatetags('philo.templatetags.nodes')
 register_value_model(Node)
\ No newline at end of file