Upload json_semval/rules_engine.py with huggingface_hub

json_semval/rules_engine.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+from typing import Any, Dict, List, Tuple
+
+from jsonschema import Draft202012Validator, FormatChecker
+from jsonschema.exceptions import ValidationError
+
+from .jsonpath_utils import path_to_jsonpath
+
+
+def _to_path_tokens(error: ValidationError) -> List[str]:
+    tokens: List[str] = []
+    # instance path → tokens
+    for p in error.path:
+        if isinstance(p, int):
+            tokens.append(f"[{p}]")
+        else:
+            tokens.append(f".{p}")
+    return tokens
+
+
+def _error_to_dict(error: ValidationError) -> Dict[str, Any]:
+    tokens = _to_path_tokens(error)
+    return {
+        "message": error.message,
+        "validator": error.validator,
+        "validator_value": error.validator_value,
+        "jsonpath": path_to_jsonpath(tokens),
+        "path_tokens": tokens,
+        "schema_path": list(error.schema_path),
+    }
+
+
+def validate_with_jsonschema(
+    schema: Dict[str, Any], payload: Any
+) -> Tuple[bool, List[dict]]:
+    validator = Draft202012Validator(schema, format_checker=FormatChecker())
+    errors = sorted(validator.iter_errors(payload), key=lambda e: list(e.path))
+    if not errors:
+        return True, []
+    return False, [_error_to_dict(e) for e in errors]