Do not index roles

Author: Mauko Quiroga

openfisca_core/entities/role.py

@@ -60,9 +60,6 @@ class Role:
         >>> tuple(role)
         (('entity', <object object...>), ('key', 'parent'), ('plural', 'par...)
 
-        >>> role["key"]
-        'parent'
-
         >>> "key" in role
         True
 
@@ -104,9 +101,6 @@ def __str__(self) -> str:
     def __contains__(self, item: Any) -> bool:
         return item in dict(self)
 
-    def __getitem__(self, key: str) -> Any:
-        return dict(self)[key]
-
     def __iter__(self) -> Iterator[Tuple[str, Any]]:
         return (item for item in dataclasses.asdict(self).items())
 

openfisca_core/types/protocols/rolifiable.py

@@ -53,12 +53,6 @@ def __contains__(self, item: Any) -> bool:
 
         ...
 
-    @abc.abstractmethod
-    def __getitem__(self, key: str) -> Any:
-        """Has to implement :meth:`.__getitem__`."""
-
-        ...
-
     @abc.abstractmethod
     def __iter__(self) -> Iterator[Tuple[str, Any]]:
         """Has to implement :meth:`.__iter__`."""