add a "has_base method" for Class to break circular imports and more polymorphism.

of course all other nodes return 'False'.

1 files changed, 3 insertions, 0 deletions

diff --git a/bases.py b/bases.py
index 248d16a..e78b4b4 100644
--- a/bases.py
+++ b/bases.py
@@ -525,6 +525,9 @@ class NodeNG(BaseClass):
         """instanciate a node if it is a Class node, else return self"""
         return self
 
+    def has_base(self, node):
+        return False
+
     def callable(self):
         return False