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Set slots_default for better ty support #1649

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Set slots_default for better ty support #1649

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1 change: 0 additions & 1 deletion pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,6 @@ dev = [
exclude-newer = "1 week"

[tool.uv.exclude-newer-package]
pyrefly = false # need pyrefly 1.2.0; remove after 2026-08-07


[tool.hatch.version]
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22 changes: 18 additions & 4 deletions src/attrs/__init__.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -159,7 +159,10 @@ def field(
type: type | None = ...,
) -> Any: ...
@overload
@dataclass_transform(field_specifiers=(attrib, field))
@dataclass_transform( # type: ignore[misc]
field_specifiers=(attrib, field),
slots_default=True, # only supported by ty
)
def define(
maybe_cls: _C,
*,
Expand All @@ -185,7 +188,10 @@ def define(
match_args: bool = ...,
) -> _C: ...
@overload
@dataclass_transform(field_specifiers=(attrib, field))
@dataclass_transform( # type: ignore[misc]
field_specifiers=(attrib, field),
slots_default=True, # only supported by ty
)
def define(
maybe_cls: None = ...,
*,
Expand Down Expand Up @@ -214,7 +220,11 @@ def define(
mutable = define

@overload
@dataclass_transform(frozen_default=True, field_specifiers=(attrib, field))
@dataclass_transform( # type: ignore[misc]
frozen_default=True,
field_specifiers=(attrib, field),
slots_default=True, # only supported by ty
)
def frozen(
maybe_cls: _C,
*,
Expand All @@ -240,7 +250,11 @@ def frozen(
match_args: bool = ...,
) -> _C: ...
@overload
@dataclass_transform(frozen_default=True, field_specifiers=(attrib, field))
@dataclass_transform( # type: ignore[misc]
frozen_default=True,
field_specifiers=(attrib, field),
slots_default=True, # only supported by ty
)
def frozen(
maybe_cls: None = ...,
*,
Expand Down
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