diff options
Diffstat (limited to 'mesonbuild/interpreterbase.py')
| -rw-r--r-- | mesonbuild/interpreterbase.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/mesonbuild/interpreterbase.py b/mesonbuild/interpreterbase.py index 136eb6e..0273c36 100644 --- a/mesonbuild/interpreterbase.py +++ b/mesonbuild/interpreterbase.py @@ -428,6 +428,10 @@ class KwargInfo(T.Generic[_T]): intended for cases where a string is expected, but only a few specific values are accepted. Must return None if the input is valid, or a message if the input is invalid + :param convertor: A callable that converts the raw input value into a + different type. This is intended for cases such as the meson DSL using a + string, but the implementation using an Enum. This should not do + validation, just converstion. """ def __init__(self, name: str, types: T.Union[T.Type[_T], T.Tuple[T.Type[_T], ...], ContainerTypeInfo], @@ -435,7 +439,8 @@ class KwargInfo(T.Generic[_T]): default: T.Optional[_T] = None, since: T.Optional[str] = None, deprecated: T.Optional[str] = None, - validator: T.Optional[T.Callable[[_T], T.Optional[str]]] = None): + validator: T.Optional[T.Callable[[_T], T.Optional[str]]] = None, + convertor: T.Optional[T.Callable[[_T], TYPE_nvar]] = None): self.name = name self.types = types self.required = required @@ -444,6 +449,7 @@ class KwargInfo(T.Generic[_T]): self.since = since self.deprecated = deprecated self.validator = validator + self.convertor = convertor def typed_kwargs(name: str, *types: KwargInfo) -> T.Callable[..., T.Any]: @@ -517,6 +523,9 @@ def typed_kwargs(name: str, *types: KwargInfo) -> T.Callable[..., T.Any]: else: kwargs[info.name] = info.default + if info.convertor: + kwargs[info.name] = info.convertor(kwargs[info.name]) + return f(*wrapped_args, **wrapped_kwargs) return T.cast(TV_func, wrapper) return inner |