mirror of https://github.com/astral-sh/ruff
[`ruff`] Preserve parentheses around `deque` in fix for `unnecessary-empty-iterable-within-deque-call` (`RUF037`) (#18598)
Closes #18552
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@ -56,3 +56,6 @@ def f():
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def f():
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queue = deque() # Ok
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def f():
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x = 0 or(deque)([])
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@ -1,4 +1,5 @@
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use ruff_macros::{ViolationMetadata, derive_message_formats};
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use ruff_python_ast::parenthesize::parenthesized_range;
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use ruff_python_ast::{self as ast, Expr};
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use ruff_text_size::Ranged;
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@ -107,7 +108,15 @@ fn fix_unnecessary_literal_in_deque(
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deque: &ast::ExprCall,
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maxlen: Option<&Expr>,
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) -> Fix {
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let deque_name = checker.locator().slice(deque.func.range());
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let deque_name = checker.locator().slice(
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parenthesized_range(
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deque.func.as_ref().into(),
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deque.into(),
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checker.comment_ranges(),
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checker.source(),
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)
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.unwrap_or(deque.func.range()),
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);
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let deque_str = match maxlen {
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Some(maxlen) => {
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let len_str = checker.locator().slice(maxlen);
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@ -1,6 +1,5 @@
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---
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source: crates/ruff_linter/src/rules/ruff/mod.rs
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snapshot_kind: text
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---
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RUF037.py:6:13: RUF037 [*] Unnecessary empty iterable within a deque call
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@ -127,3 +126,18 @@ RUF037.py:30:13: RUF037 [*] Unnecessary empty iterable within a deque call
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31 31 |
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32 32 |
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33 33 | def f():
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RUF037.py:61:13: RUF037 [*] Unnecessary empty iterable within a deque call
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60 | def f():
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61 | x = 0 or(deque)([])
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| ^^^^^^^^^^^ RUF037
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= help: Replace with `deque()`
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ℹ Safe fix
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58 58 | queue = deque() # Ok
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59 59 |
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60 60 | def f():
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61 |- x = 0 or(deque)([])
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61 |+ x = 0 or(deque)()
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