1 files changed, 26 insertions, 0 deletions
diff --git a/lib/toaster/toastergui/templatetags/queryset_to_list_filter.py b/lib/toaster/toastergui/templatetags/queryset_to_list_filter.py
new file mode 100644
index 000000000..dfc094b59
--- /dev/null
+++ b/lib/toaster/toastergui/templatetags/queryset_to_list_filter.py
@@ -0,0 +1,26 @@
+from django import template
+import json
+
+register = template.Library()
+
+def queryset_to_list(queryset, fields):
+    """
+    Convert a queryset to a list; fields can be set to a comma-separated
+    string of fields for each record included in the resulting list; if
+    omitted, all fields are included for each record, e.g.
+
+        {{ queryset | queryset_to_list:"id,name" }}
+
+    will return a list like
+
+        [{'id': 1, 'name': 'foo'}, ...]
+
+    (providing queryset has id and name fields)
+    """
+    if fields:
+        fields_list = [field.strip() for field in fields.split(',')]
+        return list(queryset.values(*fields_list))
+    else:
+        return list(queryset.values())
+
+register.filter('queryset_to_list', queryset_to_list)