add auto-fix for E225,226,227,228 (#8136)

## Summary

Introduce auto fix for `E225`,`E226`,`E227`,`E228`. This partially
address https://github.com/astral-sh/ruff/issues/8121.

## Test Plan

Already covered.

crates/ruff_cli/tests/integration_test.rs

@@ -635,8 +635,9 @@ fn nursery_group_selector_preview_enabled() {
     exit_code: 1
     ----- stdout -----
     -:1:1: CPY001 Missing copyright notice at top of file
-    -:1:2: E225 Missing whitespace around operator
+    -:1:2: E225 [*] Missing whitespace around operator
     Found 2 errors.
+    [*] 1 fixable with the `--fix` option.
 
     ----- stderr -----
     warning: The `NURSERY` selector has been deprecated.
@@ -655,8 +656,9 @@ fn preview_enabled_prefix() {
     exit_code: 1
     ----- stdout -----
     -:1:1: E741 Ambiguous variable name: `I`
-    -:1:2: E225 Missing whitespace around operator
+    -:1:2: E225 [*] Missing whitespace around operator
     Found 2 errors.
+    [*] 1 fixable with the `--fix` option.
 
     ----- stderr -----
     "###);
@@ -675,8 +677,9 @@ fn preview_enabled_all() {
     -:1:1: E741 Ambiguous variable name: `I`
     -:1:1: D100 Missing docstring in public module
     -:1:1: CPY001 Missing copyright notice at top of file
-    -:1:2: E225 Missing whitespace around operator
+    -:1:2: E225 [*] Missing whitespace around operator
     Found 4 errors.
+    [*] 1 fixable with the `--fix` option.
 
     ----- stderr -----
     warning: `one-blank-line-before-class` (D203) and `no-blank-line-before-class` (D211) are incompatible. Ignoring `one-blank-line-before-class`.
@@ -695,8 +698,9 @@ fn preview_enabled_direct() {
     success: false
     exit_code: 1
     ----- stdout -----
-    -:1:2: E225 Missing whitespace around operator
+    -:1:2: E225 [*] Missing whitespace around operator
     Found 1 error.
+    [*] 1 fixable with the `--fix` option.
 
     ----- stderr -----
     "###);

crates/ruff_linter/src/rules/pycodestyle/rules/logical_lines/missing_whitespace_around_operator.rs

@@ -1,4 +1,4 @@
-use ruff_diagnostics::{DiagnosticKind, Violation};
+use ruff_diagnostics::{AlwaysFixableViolation, Diagnostic, DiagnosticKind, Edit, Fix};
 use ruff_macros::{derive_message_formats, violation};
 use ruff_python_parser::TokenKind;
 use ruff_text_size::Ranged;
@@ -30,11 +30,15 @@ use crate::rules::pycodestyle::rules::logical_lines::LogicalLine;
 #[violation]
 pub struct MissingWhitespaceAroundOperator;
 
-impl Violation for MissingWhitespaceAroundOperator {
+impl AlwaysFixableViolation for MissingWhitespaceAroundOperator {
     #[derive_message_formats]
     fn message(&self) -> String {
         format!("Missing whitespace around operator")
     }
+
+    fn fix_title(&self) -> String {
+        format!("Add missing whitespace")
+    }
 }
 
 /// ## What it does
@@ -59,11 +63,15 @@ impl Violation for MissingWhitespaceAroundOperator {
 #[violation]
 pub struct MissingWhitespaceAroundArithmeticOperator;
 
-impl Violation for MissingWhitespaceAroundArithmeticOperator {
+impl AlwaysFixableViolation for MissingWhitespaceAroundArithmeticOperator {
     #[derive_message_formats]
     fn message(&self) -> String {
         format!("Missing whitespace around arithmetic operator")
     }
+
+    fn fix_title(&self) -> String {
+        format!("Add missing whitespace")
+    }
 }
 
 /// ## What it does
@@ -88,11 +96,15 @@ impl Violation for MissingWhitespaceAroundArithmeticOperator {
 #[violation]
 pub struct MissingWhitespaceAroundBitwiseOrShiftOperator;
 
-impl Violation for MissingWhitespaceAroundBitwiseOrShiftOperator {
+impl AlwaysFixableViolation for MissingWhitespaceAroundBitwiseOrShiftOperator {
     #[derive_message_formats]
     fn message(&self) -> String {
         format!("Missing whitespace around bitwise or shift operator")
     }
+
+    fn fix_title(&self) -> String {
+        format!("Add missing whitespace")
+    }
 }
 
 /// ## What it does
@@ -117,11 +129,15 @@ impl Violation for MissingWhitespaceAroundBitwiseOrShiftOperator {
 #[violation]
 pub struct MissingWhitespaceAroundModuloOperator;
 
-impl Violation for MissingWhitespaceAroundModuloOperator {
+impl AlwaysFixableViolation for MissingWhitespaceAroundModuloOperator {
     #[derive_message_formats]
     fn message(&self) -> String {
         format!("Missing whitespace around modulo operator")
     }
+
+    fn fix_title(&self) -> String {
+        format!("Add missing whitespace")
+    }
 }
 
 /// E225, E226, E227, E228
@@ -211,15 +227,35 @@ pub(crate) fn missing_whitespace_around_operator(
 
             match (has_leading_trivia, has_trailing_trivia) {
                 // Operator with trailing but no leading space, enforce consistent spacing.
-                (false, true) |
+                (false, true) => {
+                    let mut diagnostic =
+                        Diagnostic::new(diagnostic_kind_for_operator(kind), token.range());
+                    diagnostic.set_fix(Fix::safe_edit(Edit::insertion(
+                        " ".to_string(),
+                        token.start(),
+                    )));
+                    context.push_diagnostic(diagnostic);
+                }
                 // Operator with leading but no trailing space, enforce consistent spacing.
                 (true, false) => {
-                    context.push(MissingWhitespaceAroundOperator, token.range());
+                    let mut diagnostic =
+                        Diagnostic::new(diagnostic_kind_for_operator(kind), token.range());
+                    diagnostic.set_fix(Fix::safe_edit(Edit::insertion(
+                        " ".to_string(),
+                        token.end(),
+                    )));
+                    context.push_diagnostic(diagnostic);
                 }
                 // Operator with no space, require spaces if it is required by the operator.
                 (false, false) => {
                     if needs_space == NeedsSpace::Yes {
-                        context.push(diagnostic_kind_for_operator(kind), token.range());
+                        let mut diagnostic =
+                            Diagnostic::new(diagnostic_kind_for_operator(kind), token.range());
+                        diagnostic.set_fix(Fix::safe_edits(
+                            Edit::insertion(" ".to_string(), token.start()),
+                            [Edit::insertion(" ".to_string(), token.end())],
+                        ));
+                        context.push_diagnostic(diagnostic);
                     }
                 }
                 (true, true) => {

crates/ruff_linter/src/rules/pycodestyle/snapshots/ruff_linter__rules__pycodestyle__tests__E225_E22.py.snap

@@ -1,7 +1,7 @@
 ---
 source: crates/ruff_linter/src/rules/pycodestyle/mod.rs
 ---
-E22.py:54:11: E225 Missing whitespace around operator
+E22.py:54:11: E225 [*] Missing whitespace around operator
    |
 53 | #: E225
 54 | submitted +=1
@@ -9,8 +9,19 @@ E22.py:54:11: E225 Missing whitespace around operator
 55 | #: E225
 56 | submitted+= 1
    |
+   = help: Add missing whitespace
 
-E22.py:56:10: E225 Missing whitespace around operator
+ℹ Fix
+51 51 | 
+52 52 | 
+53 53 | #: E225
+54    |-submitted +=1
+   54 |+submitted += 1
+55 55 | #: E225
+56 56 | submitted+= 1
+57 57 | #: E225
+
+E22.py:56:10: E225 [*] Missing whitespace around operator
    |
 54 | submitted +=1
 55 | #: E225
@@ -19,8 +30,19 @@ E22.py:56:10: E225 Missing whitespace around operator
 57 | #: E225
 58 | c =-1
    |
+   = help: Add missing whitespace
 
-E22.py:58:3: E225 Missing whitespace around operator
+ℹ Fix
+53 53 | #: E225
+54 54 | submitted +=1
+55 55 | #: E225
+56    |-submitted+= 1
+   56 |+submitted += 1
+57 57 | #: E225
+58 58 | c =-1
+59 59 | #: E225
+
+E22.py:58:3: E225 [*] Missing whitespace around operator
    |
 56 | submitted+= 1
 57 | #: E225
@@ -29,88 +51,19 @@ E22.py:58:3: E225 Missing whitespace around operator
 59 | #: E225
 60 | x = x /2 - 1
    |
+   = help: Add missing whitespace
 
-E22.py:60:7: E225 Missing whitespace around operator
+ℹ Fix
-   |
+55 55 | #: E225
-58 | c =-1
+56 56 | submitted+= 1
-59 | #: E225
+57 57 | #: E225
-60 | x = x /2 - 1
+58    |-c =-1
-   |       ^ E225
+   58 |+c = -1
-61 | #: E225
+59 59 | #: E225
-62 | c = alpha -4
+60 60 | x = x /2 - 1
-   |
+61 61 | #: E225
 
-E22.py:62:11: E225 Missing whitespace around operator
+E22.py:76:2: E225 [*] Missing whitespace around operator
-   |
-60 | x = x /2 - 1
-61 | #: E225
-62 | c = alpha -4
-   |           ^ E225
-63 | #: E225
-64 | c = alpha- 4
-   |
-
-E22.py:64:10: E225 Missing whitespace around operator
-   |
-62 | c = alpha -4
-63 | #: E225
-64 | c = alpha- 4
-   |          ^ E225
-65 | #: E225
-66 | z = x **y
-   |
-
-E22.py:66:7: E225 Missing whitespace around operator
-   |
-64 | c = alpha- 4
-65 | #: E225
-66 | z = x **y
-   |       ^^ E225
-67 | #: E225
-68 | z = (x + 1) **y
-   |
-
-E22.py:68:13: E225 Missing whitespace around operator
-   |
-66 | z = x **y
-67 | #: E225
-68 | z = (x + 1) **y
-   |             ^^ E225
-69 | #: E225
-70 | z = (x + 1)** y
-   |
-
-E22.py:70:12: E225 Missing whitespace around operator
-   |
-68 | z = (x + 1) **y
-69 | #: E225
-70 | z = (x + 1)** y
-   |            ^^ E225
-71 | #: E225
-72 | _1kB = _1MB >>10
-   |
-
-E22.py:72:13: E225 Missing whitespace around operator
-   |
-70 | z = (x + 1)** y
-71 | #: E225
-72 | _1kB = _1MB >>10
-   |             ^^ E225
-73 | #: E225
-74 | _1kB = _1MB>> 10
-   |
-
-E22.py:74:12: E225 Missing whitespace around operator
-   |
-72 | _1kB = _1MB >>10
-73 | #: E225
-74 | _1kB = _1MB>> 10
-   |            ^^ E225
-75 | #: E225 E225
-76 | i=i+ 1
-   |
-
-E22.py:76:2: E225 Missing whitespace around operator
    |
 74 | _1kB = _1MB>> 10
 75 | #: E225 E225
@@ -119,18 +72,19 @@ E22.py:76:2: E225 Missing whitespace around operator
 77 | #: E225 E225
 78 | i=i +1
    |
+   = help: Add missing whitespace
 
-E22.py:76:4: E225 Missing whitespace around operator
+ℹ Fix
-   |
+73 73 | #: E225
-74 | _1kB = _1MB>> 10
+74 74 | _1kB = _1MB>> 10
-75 | #: E225 E225
+75 75 | #: E225 E225
-76 | i=i+ 1
+76    |-i=i+ 1
-   |    ^ E225
+   76 |+i = i+ 1
-77 | #: E225 E225
+77 77 | #: E225 E225
-78 | i=i +1
+78 78 | i=i +1
-   |
+79 79 | #: E225
 
-E22.py:78:2: E225 Missing whitespace around operator
+E22.py:78:2: E225 [*] Missing whitespace around operator
    |
 76 | i=i+ 1
 77 | #: E225 E225
@@ -139,18 +93,19 @@ E22.py:78:2: E225 Missing whitespace around operator
 79 | #: E225
 80 | i = 1and 1
    |
+   = help: Add missing whitespace
 
-E22.py:78:5: E225 Missing whitespace around operator
+ℹ Fix
-   |
+75 75 | #: E225 E225
-76 | i=i+ 1
+76 76 | i=i+ 1
-77 | #: E225 E225
+77 77 | #: E225 E225
-78 | i=i +1
+78    |-i=i +1
-   |     ^ E225
+   78 |+i = i +1
-79 | #: E225
+79 79 | #: E225
-80 | i = 1and 1
+80 80 | i = 1and 1
-   |
+81 81 | #: E225
 
-E22.py:80:6: E225 Missing whitespace around operator
+E22.py:80:6: E225 [*] Missing whitespace around operator
    |
 78 | i=i +1
 79 | #: E225
@@ -159,8 +114,19 @@ E22.py:80:6: E225 Missing whitespace around operator
 81 | #: E225
 82 | i = 1or 0
    |
+   = help: Add missing whitespace
 
-E22.py:82:6: E225 Missing whitespace around operator
+ℹ Fix
+77 77 | #: E225 E225
+78 78 | i=i +1
+79 79 | #: E225
+80    |-i = 1and 1
+   80 |+i = 1 and 1
+81 81 | #: E225
+82 82 | i = 1or 0
+83 83 | #: E225
+
+E22.py:82:6: E225 [*] Missing whitespace around operator
    |
 80 | i = 1and 1
 81 | #: E225
@@ -169,8 +135,19 @@ E22.py:82:6: E225 Missing whitespace around operator
 83 | #: E225
 84 | 1is 1
    |
+   = help: Add missing whitespace
 
-E22.py:84:2: E225 Missing whitespace around operator
+ℹ Fix
+79 79 | #: E225
+80 80 | i = 1and 1
+81 81 | #: E225
+82    |-i = 1or 0
+   82 |+i = 1 or 0
+83 83 | #: E225
+84 84 | 1is 1
+85 85 | #: E225
+
+E22.py:84:2: E225 [*] Missing whitespace around operator
    |
 82 | i = 1or 0
 83 | #: E225
@@ -179,8 +156,19 @@ E22.py:84:2: E225 Missing whitespace around operator
 85 | #: E225
 86 | 1in []
    |
+   = help: Add missing whitespace
 
-E22.py:86:2: E225 Missing whitespace around operator
+ℹ Fix
+81 81 | #: E225
+82 82 | i = 1or 0
+83 83 | #: E225
+84    |-1is 1
+   84 |+1 is 1
+85 85 | #: E225
+86 86 | 1in []
+87 87 | #: E225
+
+E22.py:86:2: E225 [*] Missing whitespace around operator
    |
 84 | 1is 1
 85 | #: E225
@@ -189,28 +177,19 @@ E22.py:86:2: E225 Missing whitespace around operator
 87 | #: E225
 88 | i = 1 @2
    |
+   = help: Add missing whitespace
 
-E22.py:88:7: E225 Missing whitespace around operator
+ℹ Fix
-   |
+83 83 | #: E225
-86 | 1in []
+84 84 | 1is 1
-87 | #: E225
+85 85 | #: E225
-88 | i = 1 @2
+86    |-1in []
-   |       ^ E225
+   86 |+1 in []
-89 | #: E225
+87 87 | #: E225
-90 | i = 1@ 2
+88 88 | i = 1 @2
-   |
+89 89 | #: E225
 
-E22.py:90:6: E225 Missing whitespace around operator
+E22.py:92:2: E225 [*] Missing whitespace around operator
-   |
-88 | i = 1 @2
-89 | #: E225
-90 | i = 1@ 2
-   |      ^ E225
-91 | #: E225 E226
-92 | i=i+1
-   |
-
-E22.py:92:2: E225 Missing whitespace around operator
    |
 90 | i = 1@ 2
 91 | #: E225 E226
@@ -219,8 +198,19 @@ E22.py:92:2: E225 Missing whitespace around operator
 93 | #: E225 E226
 94 | i =i+1
    |
+   = help: Add missing whitespace
 
-E22.py:94:3: E225 Missing whitespace around operator
+ℹ Fix
+89 89 | #: E225
+90 90 | i = 1@ 2
+91 91 | #: E225 E226
+92    |-i=i+1
+   92 |+i = i+1
+93 93 | #: E225 E226
+94 94 | i =i+1
+95 95 | #: E225 E226
+
+E22.py:94:3: E225 [*] Missing whitespace around operator
    |
 92 | i=i+1
 93 | #: E225 E226
@@ -229,8 +219,19 @@ E22.py:94:3: E225 Missing whitespace around operator
 95 | #: E225 E226
 96 | i= i+1
    |
+   = help: Add missing whitespace
 
-E22.py:96:2: E225 Missing whitespace around operator
+ℹ Fix
+91 91 | #: E225 E226
+92 92 | i=i+1
+93 93 | #: E225 E226
+94    |-i =i+1
+   94 |+i = i+1
+95 95 | #: E225 E226
+96 96 | i= i+1
+97 97 | #: E225 E226
+
+E22.py:96:2: E225 [*] Missing whitespace around operator
    |
 94 | i =i+1
 95 | #: E225 E226
@@ -239,34 +240,16 @@ E22.py:96:2: E225 Missing whitespace around operator
 97 | #: E225 E226
 98 | c = (a +b)*(a - b)
    |
+   = help: Add missing whitespace
 
-E22.py:98:8: E225 Missing whitespace around operator
+ℹ Fix
-    |
+93 93 | #: E225 E226
- 96 | i= i+1
+94 94 | i =i+1
- 97 | #: E225 E226
+95 95 | #: E225 E226
- 98 | c = (a +b)*(a - b)
+96    |-i= i+1
-    |        ^ E225
+   96 |+i = i+1
- 99 | #: E225 E226
+97 97 | #: E225 E226
-100 | c = (a+ b)*(a - b)
+98 98 | c = (a +b)*(a - b)
-    |
+99 99 | #: E225 E226
-
-E22.py:100:7: E225 Missing whitespace around operator
-    |
- 98 | c = (a +b)*(a - b)
- 99 | #: E225 E226
-100 | c = (a+ b)*(a - b)
-    |       ^ E225
-101 | #:
-    |
-
-E22.py:154:11: E225 Missing whitespace around operator
-    |
-152 | func2(lambda a, b=h[:], c=0: (a, b, c))
-153 | if not -5 < x < +5:
-154 |     print >>sys.stderr, "x is out of range."
-    |           ^^ E225
-155 | print >> sys.stdout, "x is an integer."
-156 | x = x / 2 - 1
-    |
 
 

crates/ruff_linter/src/rules/pycodestyle/snapshots/ruff_linter__rules__pycodestyle__tests__E226_E22.py.snap

@@ -1,7 +1,217 @@
 ---
 source: crates/ruff_linter/src/rules/pycodestyle/mod.rs
 ---
-E22.py:92:4: E226 Missing whitespace around arithmetic operator
+E22.py:60:7: E226 [*] Missing whitespace around arithmetic operator
+   |
+58 | c =-1
+59 | #: E225
+60 | x = x /2 - 1
+   |       ^ E226
+61 | #: E225
+62 | c = alpha -4
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+57 57 | #: E225
+58 58 | c =-1
+59 59 | #: E225
+60    |-x = x /2 - 1
+   60 |+x = x / 2 - 1
+61 61 | #: E225
+62 62 | c = alpha -4
+63 63 | #: E225
+
+E22.py:62:11: E226 [*] Missing whitespace around arithmetic operator
+   |
+60 | x = x /2 - 1
+61 | #: E225
+62 | c = alpha -4
+   |           ^ E226
+63 | #: E225
+64 | c = alpha- 4
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+59 59 | #: E225
+60 60 | x = x /2 - 1
+61 61 | #: E225
+62    |-c = alpha -4
+   62 |+c = alpha - 4
+63 63 | #: E225
+64 64 | c = alpha- 4
+65 65 | #: E225
+
+E22.py:64:10: E226 [*] Missing whitespace around arithmetic operator
+   |
+62 | c = alpha -4
+63 | #: E225
+64 | c = alpha- 4
+   |          ^ E226
+65 | #: E225
+66 | z = x **y
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+61 61 | #: E225
+62 62 | c = alpha -4
+63 63 | #: E225
+64    |-c = alpha- 4
+   64 |+c = alpha - 4
+65 65 | #: E225
+66 66 | z = x **y
+67 67 | #: E225
+
+E22.py:66:7: E226 [*] Missing whitespace around arithmetic operator
+   |
+64 | c = alpha- 4
+65 | #: E225
+66 | z = x **y
+   |       ^^ E226
+67 | #: E225
+68 | z = (x + 1) **y
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+63 63 | #: E225
+64 64 | c = alpha- 4
+65 65 | #: E225
+66    |-z = x **y
+   66 |+z = x ** y
+67 67 | #: E225
+68 68 | z = (x + 1) **y
+69 69 | #: E225
+
+E22.py:68:13: E226 [*] Missing whitespace around arithmetic operator
+   |
+66 | z = x **y
+67 | #: E225
+68 | z = (x + 1) **y
+   |             ^^ E226
+69 | #: E225
+70 | z = (x + 1)** y
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+65 65 | #: E225
+66 66 | z = x **y
+67 67 | #: E225
+68    |-z = (x + 1) **y
+   68 |+z = (x + 1) ** y
+69 69 | #: E225
+70 70 | z = (x + 1)** y
+71 71 | #: E225
+
+E22.py:70:12: E226 [*] Missing whitespace around arithmetic operator
+   |
+68 | z = (x + 1) **y
+69 | #: E225
+70 | z = (x + 1)** y
+   |            ^^ E226
+71 | #: E225
+72 | _1kB = _1MB >>10
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+67 67 | #: E225
+68 68 | z = (x + 1) **y
+69 69 | #: E225
+70    |-z = (x + 1)** y
+   70 |+z = (x + 1) ** y
+71 71 | #: E225
+72 72 | _1kB = _1MB >>10
+73 73 | #: E225
+
+E22.py:76:4: E226 [*] Missing whitespace around arithmetic operator
+   |
+74 | _1kB = _1MB>> 10
+75 | #: E225 E225
+76 | i=i+ 1
+   |    ^ E226
+77 | #: E225 E225
+78 | i=i +1
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+73 73 | #: E225
+74 74 | _1kB = _1MB>> 10
+75 75 | #: E225 E225
+76    |-i=i+ 1
+   76 |+i=i + 1
+77 77 | #: E225 E225
+78 78 | i=i +1
+79 79 | #: E225
+
+E22.py:78:5: E226 [*] Missing whitespace around arithmetic operator
+   |
+76 | i=i+ 1
+77 | #: E225 E225
+78 | i=i +1
+   |     ^ E226
+79 | #: E225
+80 | i = 1and 1
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+75 75 | #: E225 E225
+76 76 | i=i+ 1
+77 77 | #: E225 E225
+78    |-i=i +1
+   78 |+i=i + 1
+79 79 | #: E225
+80 80 | i = 1and 1
+81 81 | #: E225
+
+E22.py:88:7: E226 [*] Missing whitespace around arithmetic operator
+   |
+86 | 1in []
+87 | #: E225
+88 | i = 1 @2
+   |       ^ E226
+89 | #: E225
+90 | i = 1@ 2
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+85 85 | #: E225
+86 86 | 1in []
+87 87 | #: E225
+88    |-i = 1 @2
+   88 |+i = 1 @ 2
+89 89 | #: E225
+90 90 | i = 1@ 2
+91 91 | #: E225 E226
+
+E22.py:90:6: E226 [*] Missing whitespace around arithmetic operator
+   |
+88 | i = 1 @2
+89 | #: E225
+90 | i = 1@ 2
+   |      ^ E226
+91 | #: E225 E226
+92 | i=i+1
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+87 87 | #: E225
+88 88 | i = 1 @2
+89 89 | #: E225
+90    |-i = 1@ 2
+   90 |+i = 1 @ 2
+91 91 | #: E225 E226
+92 92 | i=i+1
+93 93 | #: E225 E226
+
+E22.py:92:4: E226 [*] Missing whitespace around arithmetic operator
    |
 90 | i = 1@ 2
 91 | #: E225 E226
@@ -10,8 +220,19 @@ E22.py:92:4: E226 Missing whitespace around arithmetic operator
 93 | #: E225 E226
 94 | i =i+1
    |
+   = help: Add missing whitespace
 
-E22.py:94:5: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+89 89 | #: E225
+90 90 | i = 1@ 2
+91 91 | #: E225 E226
+92    |-i=i+1
+   92 |+i=i + 1
+93 93 | #: E225 E226
+94 94 | i =i+1
+95 95 | #: E225 E226
+
+E22.py:94:5: E226 [*] Missing whitespace around arithmetic operator
    |
 92 | i=i+1
 93 | #: E225 E226
@@ -20,8 +241,19 @@ E22.py:94:5: E226 Missing whitespace around arithmetic operator
 95 | #: E225 E226
 96 | i= i+1
    |
+   = help: Add missing whitespace
 
-E22.py:96:5: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+91 91 | #: E225 E226
+92 92 | i=i+1
+93 93 | #: E225 E226
+94    |-i =i+1
+   94 |+i =i + 1
+95 95 | #: E225 E226
+96 96 | i= i+1
+97 97 | #: E225 E226
+
+E22.py:96:5: E226 [*] Missing whitespace around arithmetic operator
    |
 94 | i =i+1
 95 | #: E225 E226
@@ -30,8 +262,19 @@ E22.py:96:5: E226 Missing whitespace around arithmetic operator
 97 | #: E225 E226
 98 | c = (a +b)*(a - b)
    |
+   = help: Add missing whitespace
 
-E22.py:98:11: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+93 93 | #: E225 E226
+94 94 | i =i+1
+95 95 | #: E225 E226
+96    |-i= i+1
+   96 |+i= i + 1
+97 97 | #: E225 E226
+98 98 | c = (a +b)*(a - b)
+99 99 | #: E225 E226
+
+E22.py:98:8: E226 [*] Missing whitespace around arithmetic operator
     |
  96 | i= i+1
  97 | #: E225 E226
@@ -40,8 +283,40 @@ E22.py:98:11: E226 Missing whitespace around arithmetic operator
  99 | #: E225 E226
 100 | c = (a+ b)*(a - b)
     |
+    = help: Add missing whitespace
 
-E22.py:100:11: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+95 95 | #: E225 E226
+96 96 | i= i+1
+97 97 | #: E225 E226
+98    |-c = (a +b)*(a - b)
+   98 |+c = (a + b)*(a - b)
+99 99 | #: E225 E226
+100 100 | c = (a+ b)*(a - b)
+101 101 | #:
+
+E22.py:98:11: E226 [*] Missing whitespace around arithmetic operator
+    |
+ 96 | i= i+1
+ 97 | #: E225 E226
+ 98 | c = (a +b)*(a - b)
+    |           ^ E226
+ 99 | #: E225 E226
+100 | c = (a+ b)*(a - b)
+    |
+    = help: Add missing whitespace
+
+ℹ Fix
+95 95 | #: E225 E226
+96 96 | i= i+1
+97 97 | #: E225 E226
+98    |-c = (a +b)*(a - b)
+   98 |+c = (a +b) * (a - b)
+99 99 | #: E225 E226
+100 100 | c = (a+ b)*(a - b)
+101 101 | #:
+
+E22.py:100:7: E226 [*] Missing whitespace around arithmetic operator
     |
  98 | c = (a +b)*(a - b)
  99 | #: E225 E226
@@ -49,8 +324,39 @@ E22.py:100:11: E226 Missing whitespace around arithmetic operator
     |       ^ E226
 101 | #:
     |
+    = help: Add missing whitespace
 
-E22.py:104:6: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+97  97  | #: E225 E226
+98  98  | c = (a +b)*(a - b)
+99  99  | #: E225 E226
+100     |-c = (a+ b)*(a - b)
+    100 |+c = (a + b)*(a - b)
+101 101 | #:
+102 102 | 
+103 103 | #: E226
+
+E22.py:100:11: E226 [*] Missing whitespace around arithmetic operator
+    |
+ 98 | c = (a +b)*(a - b)
+ 99 | #: E225 E226
+100 | c = (a+ b)*(a - b)
+    |           ^ E226
+101 | #:
+    |
+    = help: Add missing whitespace
+
+ℹ Fix
+97  97  | #: E225 E226
+98  98  | c = (a +b)*(a - b)
+99  99  | #: E225 E226
+100     |-c = (a+ b)*(a - b)
+    100 |+c = (a+ b) * (a - b)
+101 101 | #:
+102 102 | 
+103 103 | #: E226
+
+E22.py:104:6: E226 [*] Missing whitespace around arithmetic operator
     |
 103 | #: E226
 104 | z = 2//30
@@ -58,8 +364,19 @@ E22.py:104:6: E226 Missing whitespace around arithmetic operator
 105 | #: E226 E226
 106 | c = (a+b) * (a-b)
     |
+    = help: Add missing whitespace
 
-E22.py:106:7: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+101 101 | #:
+102 102 | 
+103 103 | #: E226
+104     |-z = 2//30
+    104 |+z = 2 // 30
+105 105 | #: E226 E226
+106 106 | c = (a+b) * (a-b)
+107 107 | #: E226
+
+E22.py:106:7: E226 [*] Missing whitespace around arithmetic operator
     |
 104 | z = 2//30
 105 | #: E226 E226
@@ -68,8 +385,19 @@ E22.py:106:7: E226 Missing whitespace around arithmetic operator
 107 | #: E226
 108 | norman = True+False
     |
+    = help: Add missing whitespace
 
-E22.py:106:15: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+103 103 | #: E226
+104 104 | z = 2//30
+105 105 | #: E226 E226
+106     |-c = (a+b) * (a-b)
+    106 |+c = (a + b) * (a-b)
+107 107 | #: E226
+108 108 | norman = True+False
+109 109 | #: E226
+
+E22.py:106:15: E226 [*] Missing whitespace around arithmetic operator
     |
 104 | z = 2//30
 105 | #: E226 E226
@@ -78,8 +406,19 @@ E22.py:106:15: E226 Missing whitespace around arithmetic operator
 107 | #: E226
 108 | norman = True+False
     |
+    = help: Add missing whitespace
 
-E22.py:110:6: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+103 103 | #: E226
+104 104 | z = 2//30
+105 105 | #: E226 E226
+106     |-c = (a+b) * (a-b)
+    106 |+c = (a+b) * (a - b)
+107 107 | #: E226
+108 108 | norman = True+False
+109 109 | #: E226
+
+E22.py:110:6: E226 [*] Missing whitespace around arithmetic operator
     |
 108 | norman = True+False
 109 | #: E226
@@ -88,8 +427,19 @@ E22.py:110:6: E226 Missing whitespace around arithmetic operator
 111 | #: E226
 112 | x = x/2 - 1
     |
+    = help: Add missing whitespace
 
-E22.py:112:6: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+107 107 | #: E226
+108 108 | norman = True+False
+109 109 | #: E226
+110     |-x = x*2 - 1
+    110 |+x = x * 2 - 1
+111 111 | #: E226
+112 112 | x = x/2 - 1
+113 113 | #: E226 E226
+
+E22.py:112:6: E226 [*] Missing whitespace around arithmetic operator
     |
 110 | x = x*2 - 1
 111 | #: E226
@@ -98,8 +448,19 @@ E22.py:112:6: E226 Missing whitespace around arithmetic operator
 113 | #: E226 E226
 114 | hypot2 = x*x + y*y
     |
+    = help: Add missing whitespace
 
-E22.py:114:11: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+109 109 | #: E226
+110 110 | x = x*2 - 1
+111 111 | #: E226
+112     |-x = x/2 - 1
+    112 |+x = x / 2 - 1
+113 113 | #: E226 E226
+114 114 | hypot2 = x*x + y*y
+115 115 | #: E226
+
+E22.py:114:11: E226 [*] Missing whitespace around arithmetic operator
     |
 112 | x = x/2 - 1
 113 | #: E226 E226
@@ -108,8 +469,19 @@ E22.py:114:11: E226 Missing whitespace around arithmetic operator
 115 | #: E226
 116 | c = (a + b)*(a - b)
     |
+    = help: Add missing whitespace
 
-E22.py:114:17: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+111 111 | #: E226
+112 112 | x = x/2 - 1
+113 113 | #: E226 E226
+114     |-hypot2 = x*x + y*y
+    114 |+hypot2 = x * x + y*y
+115 115 | #: E226
+116 116 | c = (a + b)*(a - b)
+117 117 | #: E226
+
+E22.py:114:17: E226 [*] Missing whitespace around arithmetic operator
     |
 112 | x = x/2 - 1
 113 | #: E226 E226
@@ -118,8 +490,19 @@ E22.py:114:17: E226 Missing whitespace around arithmetic operator
 115 | #: E226
 116 | c = (a + b)*(a - b)
     |
+    = help: Add missing whitespace
 
-E22.py:116:12: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+111 111 | #: E226
+112 112 | x = x/2 - 1
+113 113 | #: E226 E226
+114     |-hypot2 = x*x + y*y
+    114 |+hypot2 = x*x + y * y
+115 115 | #: E226
+116 116 | c = (a + b)*(a - b)
+117 117 | #: E226
+
+E22.py:116:12: E226 [*] Missing whitespace around arithmetic operator
     |
 114 | hypot2 = x*x + y*y
 115 | #: E226
@@ -128,8 +511,19 @@ E22.py:116:12: E226 Missing whitespace around arithmetic operator
 117 | #: E226
 118 | def halves(n):
     |
+    = help: Add missing whitespace
 
-E22.py:119:14: E226 Missing whitespace around arithmetic operator
+ℹ Fix
+113 113 | #: E226 E226
+114 114 | hypot2 = x*x + y*y
+115 115 | #: E226
+116     |-c = (a + b)*(a - b)
+    116 |+c = (a + b) * (a - b)
+117 117 | #: E226
+118 118 | def halves(n):
+119 119 |     return (i//2 for i in range(n))
+
+E22.py:119:14: E226 [*] Missing whitespace around arithmetic operator
     |
 117 | #: E226
 118 | def halves(n):
@@ -138,5 +532,16 @@ E22.py:119:14: E226 Missing whitespace around arithmetic operator
 120 | #: E227
 121 | _1kB = _1MB>>10
     |
+    = help: Add missing whitespace
+
+ℹ Fix
+116 116 | c = (a + b)*(a - b)
+117 117 | #: E226
+118 118 | def halves(n):
+119     |-    return (i//2 for i in range(n))
+    119 |+    return (i // 2 for i in range(n))
+120 120 | #: E227
+121 121 | _1kB = _1MB>>10
+122 122 | #: E227
 
 

crates/ruff_linter/src/rules/pycodestyle/snapshots/ruff_linter__rules__pycodestyle__tests__E227_E22.py.snap

@@ -1,7 +1,49 @@
 ---
 source: crates/ruff_linter/src/rules/pycodestyle/mod.rs
 ---
-E22.py:121:12: E227 Missing whitespace around bitwise or shift operator
+E22.py:72:13: E227 [*] Missing whitespace around bitwise or shift operator
+   |
+70 | z = (x + 1)** y
+71 | #: E225
+72 | _1kB = _1MB >>10
+   |             ^^ E227
+73 | #: E225
+74 | _1kB = _1MB>> 10
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+69 69 | #: E225
+70 70 | z = (x + 1)** y
+71 71 | #: E225
+72    |-_1kB = _1MB >>10
+   72 |+_1kB = _1MB >> 10
+73 73 | #: E225
+74 74 | _1kB = _1MB>> 10
+75 75 | #: E225 E225
+
+E22.py:74:12: E227 [*] Missing whitespace around bitwise or shift operator
+   |
+72 | _1kB = _1MB >>10
+73 | #: E225
+74 | _1kB = _1MB>> 10
+   |            ^^ E227
+75 | #: E225 E225
+76 | i=i+ 1
+   |
+   = help: Add missing whitespace
+
+ℹ Fix
+71 71 | #: E225
+72 72 | _1kB = _1MB >>10
+73 73 | #: E225
+74    |-_1kB = _1MB>> 10
+   74 |+_1kB = _1MB >> 10
+75 75 | #: E225 E225
+76 76 | i=i+ 1
+77 77 | #: E225 E225
+
+E22.py:121:12: E227 [*] Missing whitespace around bitwise or shift operator
     |
 119 |     return (i//2 for i in range(n))
 120 | #: E227
@@ -10,8 +52,19 @@ E22.py:121:12: E227 Missing whitespace around bitwise or shift operator
 122 | #: E227
 123 | _1MB = _1kB<<10
     |
+    = help: Add missing whitespace
 
-E22.py:123:12: E227 Missing whitespace around bitwise or shift operator
+ℹ Fix
+118 118 | def halves(n):
+119 119 |     return (i//2 for i in range(n))
+120 120 | #: E227
+121     |-_1kB = _1MB>>10
+    121 |+_1kB = _1MB >> 10
+122 122 | #: E227
+123 123 | _1MB = _1kB<<10
+124 124 | #: E227
+
+E22.py:123:12: E227 [*] Missing whitespace around bitwise or shift operator
     |
 121 | _1kB = _1MB>>10
 122 | #: E227
@@ -20,8 +73,19 @@ E22.py:123:12: E227 Missing whitespace around bitwise or shift operator
 124 | #: E227
 125 | a = b|c
     |
+    = help: Add missing whitespace
 
-E22.py:125:6: E227 Missing whitespace around bitwise or shift operator
+ℹ Fix
+120 120 | #: E227
+121 121 | _1kB = _1MB>>10
+122 122 | #: E227
+123     |-_1MB = _1kB<<10
+    123 |+_1MB = _1kB << 10
+124 124 | #: E227
+125 125 | a = b|c
+126 126 | #: E227
+
+E22.py:125:6: E227 [*] Missing whitespace around bitwise or shift operator
     |
 123 | _1MB = _1kB<<10
 124 | #: E227
@@ -30,8 +94,19 @@ E22.py:125:6: E227 Missing whitespace around bitwise or shift operator
 126 | #: E227
 127 | b = c&a
     |
+    = help: Add missing whitespace
 
-E22.py:127:6: E227 Missing whitespace around bitwise or shift operator
+ℹ Fix
+122 122 | #: E227
+123 123 | _1MB = _1kB<<10
+124 124 | #: E227
+125     |-a = b|c
+    125 |+a = b | c
+126 126 | #: E227
+127 127 | b = c&a
+128 128 | #: E227
+
+E22.py:127:6: E227 [*] Missing whitespace around bitwise or shift operator
     |
 125 | a = b|c
 126 | #: E227
@@ -40,8 +115,19 @@ E22.py:127:6: E227 Missing whitespace around bitwise or shift operator
 128 | #: E227
 129 | c = b^a
     |
+    = help: Add missing whitespace
 
-E22.py:129:6: E227 Missing whitespace around bitwise or shift operator
+ℹ Fix
+124 124 | #: E227
+125 125 | a = b|c
+126 126 | #: E227
+127     |-b = c&a
+    127 |+b = c & a
+128 128 | #: E227
+129 129 | c = b^a
+130 130 | #: E228
+
+E22.py:129:6: E227 [*] Missing whitespace around bitwise or shift operator
     |
 127 | b = c&a
 128 | #: E227
@@ -50,5 +136,37 @@ E22.py:129:6: E227 Missing whitespace around bitwise or shift operator
 130 | #: E228
 131 | a = b%c
     |
+    = help: Add missing whitespace
+
+ℹ Fix
+126 126 | #: E227
+127 127 | b = c&a
+128 128 | #: E227
+129     |-c = b^a
+    129 |+c = b ^ a
+130 130 | #: E228
+131 131 | a = b%c
+132 132 | #: E228
+
+E22.py:154:11: E227 [*] Missing whitespace around bitwise or shift operator
+    |
+152 | func2(lambda a, b=h[:], c=0: (a, b, c))
+153 | if not -5 < x < +5:
+154 |     print >>sys.stderr, "x is out of range."
+    |           ^^ E227
+155 | print >> sys.stdout, "x is an integer."
+156 | x = x / 2 - 1
+    |
+    = help: Add missing whitespace
+
+ℹ Fix
+151 151 | func1(lambda *args, **kw: (args, kw))
+152 152 | func2(lambda a, b=h[:], c=0: (a, b, c))
+153 153 | if not -5 < x < +5:
+154     |-    print >>sys.stderr, "x is out of range."
+    154 |+    print >> sys.stderr, "x is out of range."
+155 155 | print >> sys.stdout, "x is an integer."
+156 156 | x = x / 2 - 1
+157 157 | x = 1 @ 2
 
 

crates/ruff_linter/src/rules/pycodestyle/snapshots/ruff_linter__rules__pycodestyle__tests__E228_E22.py.snap

@@ -1,7 +1,7 @@
 ---
 source: crates/ruff_linter/src/rules/pycodestyle/mod.rs
 ---
-E22.py:131:6: E228 Missing whitespace around modulo operator
+E22.py:131:6: E228 [*] Missing whitespace around modulo operator
     |
 129 | c = b^a
 130 | #: E228
@@ -10,8 +10,19 @@ E22.py:131:6: E228 Missing whitespace around modulo operator
 132 | #: E228
 133 | msg = fmt%(errno, errmsg)
     |
+    = help: Add missing whitespace
 
-E22.py:133:10: E228 Missing whitespace around modulo operator
+ℹ Fix
+128 128 | #: E227
+129 129 | c = b^a
+130 130 | #: E228
+131     |-a = b%c
+    131 |+a = b % c
+132 132 | #: E228
+133 133 | msg = fmt%(errno, errmsg)
+134 134 | #: E228
+
+E22.py:133:10: E228 [*] Missing whitespace around modulo operator
     |
 131 | a = b%c
 132 | #: E228
@@ -20,8 +31,19 @@ E22.py:133:10: E228 Missing whitespace around modulo operator
 134 | #: E228
 135 | msg = "Error %d occurred"%errno
     |
+    = help: Add missing whitespace
 
-E22.py:135:26: E228 Missing whitespace around modulo operator
+ℹ Fix
+130 130 | #: E228
+131 131 | a = b%c
+132 132 | #: E228
+133     |-msg = fmt%(errno, errmsg)
+    133 |+msg = fmt % (errno, errmsg)
+134 134 | #: E228
+135 135 | msg = "Error %d occurred"%errno
+136 136 | #:
+
+E22.py:135:26: E228 [*] Missing whitespace around modulo operator
     |
 133 | msg = fmt%(errno, errmsg)
 134 | #: E228
@@ -29,5 +51,16 @@ E22.py:135:26: E228 Missing whitespace around modulo operator
     |                          ^ E228
 136 | #:
     |
+    = help: Add missing whitespace
+
+ℹ Fix
+132 132 | #: E228
+133 133 | msg = fmt%(errno, errmsg)
+134 134 | #: E228
+135     |-msg = "Error %d occurred"%errno
+    135 |+msg = "Error %d occurred" % errno
+136 136 | #:
+137 137 | 
+138 138 | #: Okay