Variable: Add method 'renamed'

Author: janezd

Orange/data/variable.py

@@ -460,6 +460,10 @@ def copy(self, compute_value=None, *, name=None, **kwargs):
         var.attributes = dict(self.attributes)
         return var
 
+    def renamed(self, new_name):
+        # prevent cyclic import, pylint: disable=import-outside-toplevel
+        from Orange.preprocess.transformation import Identity
+        return self.copy(name=new_name, compute_value=Identity(variable=self))
 
 del _predicatedescriptor