Skip to content

typing: Use PEP 695 syntax in typing.py #104553

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 5 commits into from
May 17, 2023
Merged

typing: Use PEP 695 syntax in typing.py #104553

Changes from 1 commit
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
e1ff413
typing: Use PEP 695 syntax in typing.py
JelleZijlstra May 16, 2023
16b0978
Use an alias, remove unnecessary _co suffix
JelleZijlstra May 16, 2023
655d6ac
Merge branch 'main' into use695
AlexWaygood May 16, 2023
754dda0
Better type for dataclass_transform
JelleZijlstra May 17, 2023
302f071
Merge remote-tracking branch 'upstream/main' into use695
JelleZijlstra May 17, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Better type for dataclass_transform
  • Loading branch information
@JelleZijlstra
JelleZijlstra committed May 17, 2023
commit 754dda03878798947b615d60fae57b6deb86799e
9 changes: 7 additions & 2 deletions Lib/typing.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3202,15 +3202,20 @@ def reveal_type[T](obj: T, /) -> T:
return obj


def dataclass_transform[T](
class _IdentityCallable(Protocol):
def __call__[T](self, arg: T, /) -> T:
...


def dataclass_transform(
*,
eq_default: bool = True,
order_default: bool = False,
kw_only_default: bool = False,
frozen_default: bool = False,
field_specifiers: tuple[type[Any] | Callable[..., Any], ...] = (),
**kwargs: Any,
) -> Callable[[T], T]:
) -> _IdentityCallable:
"""Decorator that marks a function, class, or metaclass as providing
dataclass-like behavior.

Expand Down