Add informative parameters to 'RateLimited' Exception

ratelimit/decorators.py

@@ -20,7 +20,7 @@ def _wrapped(request, *args, **kw):
                                          increment=True)
             request.limited = ratelimited or old_limited
             if ratelimited and block:
-                raise Ratelimited()
+                raise Ratelimited(group=group, key=key, rate=rate)
             return fn(request, *args, **kw)
         return _wrapped
     return decorator

ratelimit/exceptions.py

@@ -2,4 +2,9 @@
 
 
 class Ratelimited(PermissionDenied):
-    pass
+
+    def __init__(self, group, key, rate):
+        super(Ratelimited, self).__init__()
+        self.group = group
+        self.key = key
+        self.rate = rate