From 820cbcdbbdac176b97752d3619d52a5ca76b7bb3 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Wed, 3 Oct 2018 14:01:51 +0200
Subject: controller: Depth limit does not work with i>1

No easy way to fix this, so just limit to [0, 1] for now.
---
 crocoite/controller.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'crocoite/controller.py')

diff --git a/crocoite/controller.py b/crocoite/controller.py
index 81f0638..ee05b04 100644
--- a/crocoite/controller.py
+++ b/crocoite/controller.py
@@ -241,12 +241,14 @@ class DepthLimit (RecursionPolicy):
     """
     Limit recursion by depth.
     
-    depth==0 means no recursion, depth==1 is the page and outgoing links, …
+    depth==0 means no recursion, depth==1 is the page and outgoing links
     """
 
     __slots__ = ('maxdepth')
 
     def __init__ (self, maxdepth=0):
+        if maxdepth < 0 or maxdepth > 1:
+            raise ValueError ('Unsupported')
         self.maxdepth = maxdepth
 
     def __call__ (self, urls):
-- 
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