diff options
| -rw-r--r-- | crocoite/controller.py | 4 |
1 files changed, 3 insertions, 1 deletions
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): |