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Deprecate UP027 (#12843)

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Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Closes https://github.com/astral-sh/ruff/issues/12754
This commit is contained in:
Micha Reiser 2024-08-12 14:34:12 +02:00
parent 78a7ac0722
commit 99e946a005
2 changed files with 7 additions and 3 deletions
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2
crates/ruff_linter/src/codes.rs
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@ -510,7 +510,7 @@ pub fn code_to_rule(linter: Linter, code: &str) -> Option<(RuleGroup, Rule)> {
(Pyupgrade, "024") => (RuleGroup::Stable, rules::pyupgrade::rules::OSErrorAlias), (Pyupgrade, "024") => (RuleGroup::Stable, rules::pyupgrade::rules::OSErrorAlias),
(Pyupgrade, "025") => (RuleGroup::Stable, rules::pyupgrade::rules::UnicodeKindPrefix), (Pyupgrade, "025") => (RuleGroup::Stable, rules::pyupgrade::rules::UnicodeKindPrefix),
(Pyupgrade, "026") => (RuleGroup::Stable, rules::pyupgrade::rules::DeprecatedMockImport), (Pyupgrade, "026") => (RuleGroup::Stable, rules::pyupgrade::rules::DeprecatedMockImport),
(Pyupgrade, "027") => (RuleGroup::Stable, rules::pyupgrade::rules::UnpackedListComprehension), (Pyupgrade, "027") => (RuleGroup::Deprecated, rules::pyupgrade::rules::UnpackedListComprehension),
(Pyupgrade, "028") => (RuleGroup::Stable, rules::pyupgrade::rules::YieldInForLoop), (Pyupgrade, "028") => (RuleGroup::Stable, rules::pyupgrade::rules::YieldInForLoop),
(Pyupgrade, "029") => (RuleGroup::Stable, rules::pyupgrade::rules::UnnecessaryBuiltinImport), (Pyupgrade, "029") => (RuleGroup::Stable, rules::pyupgrade::rules::UnnecessaryBuiltinImport),
(Pyupgrade, "030") => (RuleGroup::Stable, rules::pyupgrade::rules::FormatLiterals), (Pyupgrade, "030") => (RuleGroup::Stable, rules::pyupgrade::rules::FormatLiterals),

8
crates/ruff_linter/src/rules/pyupgrade/rules/unpacked_list_comprehension.rs
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@ -7,13 +7,17 @@ use ruff_text_size::Ranged;
use crate::checkers::ast::Checker; use crate::checkers::ast::Checker;
/// ## Deprecation
/// There's no [evidence](https://github.com/astral-sh/ruff/issues/12754) that generators are
/// meaningfully faster than list comprehensions when combined with unpacking.
///
/// ## What it does /// ## What it does
/// Checks for list comprehensions that are immediately unpacked. /// Checks for list comprehensions that are immediately unpacked.
/// ///
/// ## Why is this bad? /// ## Why is this bad?
/// There is no reason to use a list comprehension if the result is immediately /// There is no reason to use a list comprehension if the result is immediately
/// unpacked. Instead, use a generator expression, which is more efficient as /// unpacked. Instead, use a generator expression, which avoids allocating
/// it avoids allocating an intermediary list. /// an intermediary list.
/// ///
/// ## Example /// ## Example
/// ```python /// ```python