feat: MelleaSession.powerup

Author: guicho271828

mellea/stdlib/session.py

@@ -276,6 +276,12 @@ def wrapper(self, *args, **kwargs):
 
         setattr(cls, fn.__name__, wrapper)
 
+    @classmethod
+    def powerup(cls, powerup_cls: type):
+        """Appends methods in a class object `powerup_cls` to MelleaSession."""
+        for name, fn in inspect.getmembers(powerup_cls, predicate=inspect.isfunction):
+            cls.register(fn, set_context=False)
+
     # ###############################
     #  Convenience functions
     # ###############################