Remove the parsable decorator

ranzen/decorators.py

@@ -1,10 +1,10 @@
 """Decorator functions."""
 from __future__ import annotations
 from enum import Enum
-from typing import Any, Callable, Protocol, TypeVar, get_type_hints
+from typing import Any, Callable, Protocol, TypeVar
 from typing_extensions import deprecated
 
-__all__ = ["enum_name_str", "implements", "parsable"]
+__all__ = ["enum_name_str", "implements"]
 
 
 _T = TypeVar("_T")
@@ -38,18 +38,6 @@ def __call__(self, func: _F) -> _F:
         return func
 
 
-def parsable(func: _F) -> _F:
-    """Mark an object's __init__ as parsable by Configen, so only pre-3.9 type annotations should be used."""
-    assert func.__name__ == "__init__", "@parsable can only be used to decorate __init__."
-    try:
-        get_type_hints(func)
-    except TypeError:
-        raise ValueError(
-            "the type annotations of this function are not automatically parseable."
-        ) from None
-    return func
-
-
 E = TypeVar("E", bound=Enum)
 
 

ranzen/torch/loss.py

@@ -6,7 +6,7 @@
 from torch import Tensor, nn
 import torch.nn.functional as F
 
-from ranzen import parsable, str_to_enum
+from ranzen import str_to_enum
 
 __all__ = [
     "CrossEntropyLoss",
@@ -148,7 +148,6 @@ class indices.
 class CrossEntropyLoss(nn.Module):
     weight: Tensor | None
 
-    @parsable
     def __init__(
         self,
         *,

tests/decorator_test.py

@@ -1,12 +1,11 @@
 """Test decorators."""
 from __future__ import annotations
 from enum import Enum, auto
-from typing import List, Union
 from typing_extensions import deprecated
 
 import pytest
 
-from ranzen import enum_name_str, parsable  # pyright: ignore
+from ranzen import enum_name_str  # pyright: ignore
 
 
 @pytest.mark.parametrize("explanation", ["All things that have form eventually decay."])
@@ -27,29 +26,6 @@ def foo() -> None:
         foo()  # pyright: ignore
 
 
-def test_parsable() -> None:
-    class Foo:  # pyright: ignore
-        @parsable
-        def __init__(self) -> None:
-            ...
-
-
-def test_parsable_valid() -> None:
-    class Foo:  # pyright: ignore
-        @parsable
-        def __init__(self, a: int, b: Union[int, float], c: List[str]):
-            ...
-
-
-def test_parsable_invalid_union() -> None:
-    with pytest.raises(ValueError):
-
-        class Foo:  # pyright: ignore
-            @parsable
-            def __init__(self, a: int, b: int | float, c: List[str]):
-                ...
-
-
 def test_enum_str() -> None:
     with pytest.deprecated_call():