Skip to content

support Callable / callable Protocols in suggest decorator unwarpping #19072

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.

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 2 commits into from
Jun 18, 2025

Conversation

asottile
Copy link
Contributor

Resolves #18940

while I feel like just accepting any identity function would be good enough I expanded the check to explicitly allow Callables and Protocol callables

This comment has been minimized.

@@ -659,7 +671,7 @@ def extract_from_decorator(self, node: Decorator) -> FuncDef | None:
for ct in typ.items:
if not (
len(ct.arg_types) == 1
and isinstance(ct.arg_types[0], TypeVarType)
and _arg_accepts_function(get_proper_type(ct.arg_types[0]))
and ct.arg_types[0] == ct.ret_type
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Can this become is_same_type to allow aliases?

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I assume you mean the == line?

probably! but that'd be a separate issue / patch I would imagine

Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Yes, sorry, misclicked - I meant the == line of course.

@@ -659,7 +671,7 @@ def extract_from_decorator(self, node: Decorator) -> FuncDef | None:
for ct in typ.items:
if not (
len(ct.arg_types) == 1
and isinstance(ct.arg_types[0], TypeVarType)
and _arg_accepts_function(get_proper_type(ct.arg_types[0]))
and ct.arg_types[0] == ct.ret_type
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Yes, sorry, misclicked - I meant the == line of course.

Co-authored-by: Stanislav Terliakov <50529348+sterliakov@users.noreply.github.com>
Copy link
Collaborator

@sterliakov sterliakov left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

I think batching is_same_type here would be appropriate, but don't mind deferring that to a separate PR if you'd prefer. LG, thanks!

Copy link
Contributor

According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅

Copy link
Collaborator

@hauntsaninja hauntsaninja left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Thank you!

@hauntsaninja hauntsaninja merged commit ce5f127 into python:master Jun 18, 2025
18 checks passed
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

dmypy gives up on trivial decorator
3 participants
pFad - Phonifier reborn

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.


Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy