[flake8-pie] Preserve parentheses in unnecessary-dict-kwargs

crates/ruff_linter/resources/test/fixtures/flake8_pie/PIE804.py

@@ -24,3 +24,7 @@
 # Duplicated key names won't be fixed, to avoid syntax errors.
 abc(**{'a': b}, **{'a': c})  # PIE804
 abc(a=1, **{'a': c}, **{'b': c})  # PIE804
+
+# Some values need to be parenthesized.
+abc(foo=1, **{'bar': (bar := 1)})  # PIE804
+abc(foo=1, **{'bar': (yield 1)})  # PIE804

crates/ruff_linter/src/rules/flake8_pie/rules/unnecessary_dict_kwargs.rs

@@ -5,6 +5,7 @@ use rustc_hash::FxHashSet;
 
 use ruff_diagnostics::{Diagnostic, Edit, Fix, FixAvailability, Violation};
 use ruff_macros::{derive_message_formats, violation};
+use ruff_python_ast::parenthesize::parenthesized_range;
 use ruff_python_ast::{self as ast, Expr};
 use ruff_python_stdlib::identifiers::is_identifier;
 use ruff_text_size::Ranged;
@@ -121,7 +122,19 @@ pub(crate) fn unnecessary_dict_kwargs(checker: &mut Checker, call: &ast::ExprCal
                             .iter()
                             .zip(dict.iter_values())
                             .map(|(kwarg, value)| {
-                                format!("{}={}", kwarg, checker.locator().slice(value.range()))
+                                format!(
+                                    "{}={}",
+                                    kwarg,
+                                    checker.locator().slice(
+                                        parenthesized_range(
+                                            value.into(),
+                                            dict.into(),
+                                            checker.indexer().comment_ranges(),
+                                            checker.locator().contents(),
+                                        )
+                                        .unwrap_or(value.range())
+                                    )
+                                )
                             })
                             .join(", "),
                         keyword.range(),

crates/ruff_linter/src/rules/flake8_pie/snapshots/ruff_linter__rules__flake8_pie__tests__PIE804_PIE804.py.snap

@@ -166,6 +166,8 @@ PIE804.py:26:10: PIE804 Unnecessary `dict` kwargs
 25 | abc(**{'a': b}, **{'a': c})  # PIE804
 26 | abc(a=1, **{'a': c}, **{'b': c})  # PIE804
    |          ^^^^^^^^^^ PIE804
+27 | 
+28 | # Some values need to be parenthesized.
    |
    = help: Remove unnecessary kwargs
 
@@ -175,6 +177,8 @@ PIE804.py:26:22: PIE804 [*] Unnecessary `dict` kwargs
 25 | abc(**{'a': b}, **{'a': c})  # PIE804
 26 | abc(a=1, **{'a': c}, **{'b': c})  # PIE804
    |                      ^^^^^^^^^^ PIE804
+27 | 
+28 | # Some values need to be parenthesized.
    |
    = help: Remove unnecessary kwargs
 
@@ -184,5 +188,39 @@ PIE804.py:26:22: PIE804 [*] Unnecessary `dict` kwargs
 25 25 | abc(**{'a': b}, **{'a': c})  # PIE804
 26    |-abc(a=1, **{'a': c}, **{'b': c})  # PIE804
    26 |+abc(a=1, **{'a': c}, b=c)  # PIE804
+27 27 | 
+28 28 | # Some values need to be parenthesized.
+29 29 | abc(foo=1, **{'bar': (bar := 1)})  # PIE804
 
+PIE804.py:29:12: PIE804 [*] Unnecessary `dict` kwargs
+   |
+28 | # Some values need to be parenthesized.
+29 | abc(foo=1, **{'bar': (bar := 1)})  # PIE804
+   |            ^^^^^^^^^^^^^^^^^^^^^ PIE804
+30 | abc(foo=1, **{'bar': (yield 1)})  # PIE804
+   |
+   = help: Remove unnecessary kwargs
 
+ℹ Safe fix
+26 26 | abc(a=1, **{'a': c}, **{'b': c})  # PIE804
+27 27 | 
+28 28 | # Some values need to be parenthesized.
+29    |-abc(foo=1, **{'bar': (bar := 1)})  # PIE804
+   29 |+abc(foo=1, bar=(bar := 1))  # PIE804
+30 30 | abc(foo=1, **{'bar': (yield 1)})  # PIE804
+
+PIE804.py:30:12: PIE804 [*] Unnecessary `dict` kwargs
+   |
+28 | # Some values need to be parenthesized.
+29 | abc(foo=1, **{'bar': (bar := 1)})  # PIE804
+30 | abc(foo=1, **{'bar': (yield 1)})  # PIE804
+   |            ^^^^^^^^^^^^^^^^^^^^ PIE804
+   |
+   = help: Remove unnecessary kwargs
+
+ℹ Safe fix
+27 27 | 
+28 28 | # Some values need to be parenthesized.
+29 29 | abc(foo=1, **{'bar': (bar := 1)})  # PIE804
+30    |-abc(foo=1, **{'bar': (yield 1)})  # PIE804
+   30 |+abc(foo=1, bar=(yield 1))  # PIE804