Add --unsafe-fixes to ruff-check formatter (#2847)

Author: koxudaxi

src/datamodel_code_generator/format.py

@@ -338,7 +338,7 @@ def apply_black(self, code: str) -> str:
     def apply_ruff_lint(self, code: str) -> str:
         """Run ruff check with auto-fix on code."""
         result = subprocess.run(
-            ("ruff", "check", "--fix", "-"),
+            ("ruff", "check", "--fix", "--unsafe-fixes", "-"),
             input=code.encode(self.encoding),
             capture_output=True,
             check=False,
@@ -361,7 +361,7 @@ def apply_ruff_check_and_format(self, code: str) -> str:
         """Run ruff check and format in a single pipeline for better performance."""
         ruff_path = self._find_ruff_path()
         check_proc = subprocess.Popen(  # noqa: S603
-            [ruff_path, "check", "--fix", "-"],
+            [ruff_path, "check", "--fix", "--unsafe-fixes", "-"],
             stdin=subprocess.PIPE,
             stdout=subprocess.PIPE,
             stderr=subprocess.PIPE,
@@ -407,7 +407,7 @@ def format_directory(self, directory: Path) -> None:
         """Apply ruff formatting to all Python files in a directory."""
         if Formatter.RUFF_CHECK in self.formatters:
             subprocess.run(  # noqa: S603
-                ("ruff", "check", "--fix", str(directory)),
+                ("ruff", "check", "--fix", "--unsafe-fixes", str(directory)),
                 capture_output=True,
                 check=False,
                 cwd=self.settings_path,

tests/test_format.py

@@ -175,7 +175,11 @@ def test_format_code_ruff_check_formatter(tmp_path: Path, monkeypatch: pytest.Mo
 
     assert formatted_code == "output"
     mock_run.assert_called_once_with(
-        ("ruff", "check", "--fix", "-"), input=b"input", capture_output=True, check=False, cwd=str(tmp_path)
+        ("ruff", "check", "--fix", "--unsafe-fixes", "-"),
+        input=b"input",
+        capture_output=True,
+        check=False,
+        cwd=str(tmp_path),
     )
 
 
@@ -227,7 +231,7 @@ def test_format_directory_ruff_check(tmp_path: Path, monkeypatch: pytest.MonkeyP
         formatter.format_directory(output_dir)
 
     mock_run.assert_called_once_with(
-        ("ruff", "check", "--fix", str(output_dir)),
+        ("ruff", "check", "--fix", "--unsafe-fixes", str(output_dir)),
         capture_output=True,
         check=False,
         cwd=str(tmp_path),
@@ -270,7 +274,7 @@ def test_format_directory_both_ruff_formatters(tmp_path: Path, monkeypatch: pyte
 
     assert mock_run.call_count == 2
     mock_run.assert_any_call(
-        ("ruff", "check", "--fix", str(output_dir)),
+        ("ruff", "check", "--fix", "--unsafe-fixes", str(output_dir)),
         capture_output=True,
         check=False,
         cwd=str(tmp_path),
@@ -323,7 +327,7 @@ def test_generate_with_ruff_batch_formatting(tmp_path: Path) -> None:
 
     assert mock_run.call_count == 2
     mock_run.assert_any_call(
-        ("ruff", "check", "--fix", str(output_dir)),
+        ("ruff", "check", "--fix", "--unsafe-fixes", str(output_dir)),
         capture_output=True,
         check=False,
         cwd=mock.ANY,