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Fix/1920 #1921

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d8fd5b7
Add 3.13 to CI
Mr-Sunglasses Aug 29, 2024
3723f67
Add __replace__ magic method to Container base class
Mr-Sunglasses Aug 29, 2024
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2 changes: 1 addition & 1 deletion .github/workflows/test.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ jobs:
strategy:
fail-fast: false
matrix:
python-version: ['3.9', '3.10', '3.11', '3.12']
python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']

steps:
- uses: actions/checkout@v4
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6 changes: 6 additions & 0 deletions returns/primitives/container.py
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Expand Up @@ -66,6 +66,12 @@ def __setstate__(self, state: Union[_PickleState, Any]) -> None:
# backward compatibility with 0.19.0 and earlier
object.__setattr__(self, '_inner_value', state) # noqa: WPS609

def __replace__(self, **changes: Any) -> 'BaseContainer':
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Ok, I was wrong about adding this method to BaseContainer base class. I think that we need to add this to Unwrappable (?) instead. Basically, right now - this is not type-safe at all.

And add a proper type annotations. And add type tests for it.

"""Create a new instance with specified changes."""
if set(changes.keys()) - set(self.__slots__):
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I think that we can simplify this to only allow _inner_value change. Nothing else.

raise ValueError("Invalid attribute(s) specified")
new_inner_value = changes.get('_inner_value', self._inner_value)
return type(self)(new_inner_value)

def container_equality(
self: Kind1[_EqualType, Any],
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