Add intersect_args method to Category

2 files changed, 8 insertions, 1 deletions

diff --git a/category.py b/category.py
index ad33774..1bccda1 100644
--- a/category.py
+++ b/category.py
@@ -59,6 +59,13 @@ class Category:
             retval.add(Category(self.name, **newargs))
         return retval
 
+    def intersect_args(self, **args):
+        """
+        `intersect` this Category with a new Category that has the same name and
+        the provided args.
+        """
+        return self.intersect(Category(self.name, **args))
+
     def intersect(self, other):
         """
         Returns a new category consisting only of items that are in this
diff --git a/statemachine.py b/statemachine.py
index 892dde6..3c63048 100644
--- a/statemachine.py
+++ b/statemachine.py
@@ -91,7 +91,7 @@ class StateMachine:
         retval = []
         for cat in self.up:
             if dependencies.superset_of(cat):
-                retval.append(dependents.intersect(Category(dependents.name, **cat.args)))
+                retval.append(dependents.intersect_args(**cat.args))
         return set(retval) | dependents.inverse_set()
 
     def get_applicable_deps(self, cat):