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utils/check_modeling_structure.py

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+#!/usr/bin/env python
+# Copyright 2026 The HuggingFace Team. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Thin local entrypoint for the external mlinter package."""
+
+import sys
+from pathlib import Path
+
+
+CHECKER_CONFIG = {
+    "name": "modeling_structure",
+    "label": "Modeling file structure",
+    "cache_globs": [
+        "src/transformers/models/**/modeling_*.py",
+        "src/transformers/models/**/modular_*.py",
+        "src/transformers/models/**/configuration_*.py",
+    ],
+    "check_args": ["--rules-toml", "utils/rules.toml"],
+    "fix_args": None,
+}
+
+RULES_TOML_PATH = Path(__file__).resolve().with_name("rules.toml")
+
+
+def _require_mlinter():
+    try:
+        import mlinter
+    except ModuleNotFoundError as error:
+        raise ModuleNotFoundError(
+            "This script requires the standalone `transformers-mlinter` package. "
+            'Install the repo quality dependencies with `pip install -e ".[quality]"` and retry.'
+        ) from error
+
+    return mlinter
+
+
+def _add_default_rules_toml(argv: list[str]) -> list[str]:
+    if any(arg == "--rules-toml" or arg.startswith("--rules-toml=") for arg in argv[1:]):
+        return argv
+
+    return [argv[0], "--rules-toml", str(RULES_TOML_PATH), *argv[1:]]
+
+
+if __name__ == "__main__":
+    try:
+        sys.argv = _add_default_rules_toml(sys.argv)
+        raise SystemExit(_require_mlinter().main())
+    except ModuleNotFoundError as error:
+        raise SystemExit(str(error)) from error