1 files changed, 21 insertions, 2 deletions
diff --git a/djangorestframework/exceptions.py b/djangorestframework/exceptions.py
index e70f55df..425b4b8f 100644
--- a/djangorestframework/exceptions.py
+++ b/djangorestframework/exceptions.py
@@ -1,3 +1,22 @@
+from djangorestframework import status
+
+
 class ParseError(Exception):
-    def __init__(self, detail):
-        self.detail = detail
+    status_code = status.HTTP_400_BAD_REQUEST
+    default_detail = 'Malformed request'
+
+    def __init__(self, detail=None):
+        self.detail = detail or self.default_detail
+
+
+class PermissionDenied(Exception):
+    status_code = status.HTTP_403_FORBIDDEN
+    default_detail = 'You do not have permission to access this resource.'
+
+    def __init__(self, detail=None):
+        self.detail = detail or self.default_detail
+
+
+# class Throttled(Exception):
+#     def __init__(self, detail):
+#         self.detail = detail