Fix get_facedir/get_facemod in the absence of a visitor instance

python/dune/codegen/sumfact/permutation.py

@@ -124,10 +124,9 @@ def sumfact_quadrature_permutation_strategy(dim, restriction):
         # all others can be derived by rotating the cube and matching edge
         # directions.
         def _order_on_self(restriction):
-            from dune.codegen.generation import get_global_context_value
-            visitor = get_global_context_value("visitor")
-            facedir = visitor.get_facedir(restriction)
-            facemod = visitor.get_facemod(restriction)
+            from dune.codegen.sumfact.accumulation import SumfactAccumulationMixin
+            facedir = SumfactAccumulationMixin.get_facedir(None, restriction)
+            facemod = SumfactAccumulationMixin.get_facemod(None, restriction)
 
             quadrature_order = {
                 (0, 0): (0, 1, 2),