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[flake8-bugbear] Fix mutable-contextvar-default (B039) to resolve annotated function calls properly #14532

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@harupy harupy commented Nov 22, 2024

Summary

Fix #14525

Test Plan

New test cases

@harupy harupy changed the title [flake8-bugbear] Fix mutable-contextvar-default (B039) to handle annotated calls [flake8-bugbear] Fix mutable-contextvar-default (B039) to handle annotated calls properly Nov 22, 2024
@harupy harupy changed the title [flake8-bugbear] Fix mutable-contextvar-default (B039) to handle annotated calls properly [flake8-bugbear] Fix mutable-contextvar-default (B039) to flag annotated function calls Nov 22, 2024
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github-actions bot commented Nov 22, 2024

ruff-ecosystem results

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✅ ecosystem check detected no linter changes.

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✅ ecosystem check detected no linter changes.

@harupy harupy changed the title [flake8-bugbear] Fix mutable-contextvar-default (B039) to flag annotated function calls [flake8-bugbear] Fix mutable-contextvar-default (B039) to resolve annotated function calls properly Nov 22, 2024
@MichaReiser MichaReiser added the bug Something isn't working label Nov 22, 2024
@@ -96,7 +97,7 @@ pub(crate) fn mutable_contextvar_default(checker: &mut Checker, call: &ast::Expr
&& !is_immutable_func(func, checker.semantic(), &extend_immutable_calls)))
&& checker
.semantic()
.resolve_qualified_name(&call.func)
.resolve_qualified_name(map_subscript(&call.func))
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@harupy harupy Nov 23, 2024

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Unrelated to this PR, but shoud we check if call.func is contextvars.Contextvar first (and exit if not) before checking if arguments has a keyword default to avoid unnecessary work (immutability check and extending the immutable expressions)?

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B039 considers frozenset to be mutable
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