| """Strict loader validation with explicit, lossless JSON collection conversion. |
| |
| Never use default=str or discard unknown/nonempty missing/unexpected/error data. |
| The original failed run remains unchanged. This helper is for new candidates. |
| """ |
| from collections.abc import Mapping |
|
|
| FIELDS = ('missing_keys', 'unexpected_keys', 'mismatched_keys', 'error_msgs') |
|
|
|
|
| def json_value(value): |
| if value is None or type(value) in (str, bool, int): |
| return value |
| if type(value) is float: |
| import math |
| if not math.isfinite(value): |
| raise TypeError('Nonfinite loading diagnostic') |
| return value |
| if isinstance(value, Mapping): |
| if not all(type(k) is str for k in value): |
| raise TypeError('Loading diagnostic mapping requires string keys') |
| return {k: json_value(v) for k, v in value.items()} |
| if isinstance(value, (tuple, list)): |
| return [json_value(v) for v in value] |
| if isinstance(value, (set, frozenset)): |
| import json |
| result = [json_value(v) for v in value] |
| return sorted(result, key=lambda v: json.dumps(v, sort_keys=True, allow_nan=False)) |
| raise TypeError('Unsupported loading diagnostic type: ' + type(value).__name__) |
|
|
|
|
| def strict_loading_report(info): |
| if not isinstance(info, Mapping): |
| raise TypeError('Loading information must be a mapping') |
| if set(info) - set(FIELDS): |
| raise ValueError('Unknown loading diagnostic fields; explicit review required') |
| missing_fields = [k for k in FIELDS if k not in info] |
| if missing_fields: |
| raise ValueError('Loading diagnostic fields absent: ' + ','.join(missing_fields)) |
| report = { |
| 'source_collection_types': {k: type(info[k]).__name__ for k in FIELDS}, |
| 'loading_information': json_value(info), |
| 'strict_fields': list(FIELDS), |
| } |
| for key in FIELDS: |
| value = info[key] |
| if not isinstance(value, (list, tuple, set, frozenset, Mapping)): |
| raise TypeError('Unknown loading-status collection: ' + key) |
| if len(value): |
| |
| raise ValueError('Complete published body strict load failed: ' + key) |
| report['strict_load_passed'] = True |
| return report |
|
|
