Merge branch '0.3.2'

concepts/__init__.py

@@ -4,7 +4,7 @@
 __version_info__ = {
     'major': 0,
     'minor': 3,
-    'micro': 1,
+    'micro': 2,
     'releaselevel': 'final',
     'serial': 1
 }

concepts/templatetags/concepts_tags.py

@@ -0,0 +1,37 @@
+from django import template
+from django.core.exceptions import FieldError
+
+from concepts.models import ConceptItem, Concept
+from django.contrib.contenttypes.models import ContentType
+
+register = template.Library()
+
+
+class ConceptsNode(template.Node):
+    """
+    Sets a context variable to the concepts linked to the object
+    """
+    def __init__(self, obj, variable_name):
+        self.obj = template.Variable(obj)
+        self.variable_name = variable_name
+
+    def render(self, context):
+        obj = self.obj.resolve(context)
+        ctype = ContentType.objects.get_for_model(obj)
+        links = ConceptItem.objects.filter(object_id=obj.pk, content_type=ctype)
+        context[self.variable_name] = links
+        return ''
+
+@register.tag
+def get_concepts_for_object(parser, token):
+    """
+    Get the concepts linked to the object instance passed
+    
+    {% get_concepts_for_object object as var %}
+    """
+    bits = token.split_contents()
+
+    if len(bits) != 4:
+        raise template.TemplateSyntaxError("The proper usage is: {%% get_concepts_for_object object as var %}")
+
+    return ConceptsNode(bits[1], bits[3])