feat(metadata): dtype-Registry + Robustheit (PR1/4)#37
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Neues pure-stdlib-Modul sdata/dtypes.py als Single Source of Truth für Wert-Coercion, JSON-(De)Serialisierung, Python-Klasse und XSD-Typ-Mapping (Grundlage der späteren JSON-LD-Schicht). Verbesserungen (strikt additiv, lenient-Verhalten byte-genau erhalten): - timestamp-dtype jetzt implementiert (via sdata.timestamp.TimeStamp, ISO-8601/UTC). - bool-Coercion: lenient unverändert; strict=True case-insensitiv (yes/no/on/off…) und wirft bei Mehrdeutigkeit. - dtype akzeptiert Klasse ODER String (resolve); Wechsel des dtype castet den vorhandenen Wert um (bisheriger TODO). - neue dtypes bytes (base64), json (dict/list), uri (+ XSD: base64Binary/anyURI). - opt-in strict= (Attribute/set_attr) wirft DtypeError statt still zu degradieren. Bugfixes: - Metadata.name <-> _sdata_name als Single Source of Truth (keine Desync mehr). - relabel() schlüsselt explizit um (kein Präfix-Verlust). - update_hash() liefert das Hash-Objekt zurück (statt der builtin-hash-Klasse). - to_json() serialisiert timestamp/bytes JSON-sicher (default=json_default). Tests: tests/test_dtypes.py (Registry, alle dtypes lenient+strict, Re-Cast, Bug-Regressionen, JSON-Roundtrip). Bestehende metadata/attribute/base-Tests laufen unverändert grün. Coverage 100%.
Not up to standards ⛔🔴 Issues
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| Category | Results |
|---|---|
| Documentation | 6 minor |
| Security | 50 high |
🟢 Metrics 86 complexity · 0 duplication
Metric Results Complexity 86 Duplication 0
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Erster PR des Metadaten-Rückgrat-Programms (Scope: Robustheit + Maschinenlesbarkeit, PR1–PR4). Robustheit & Korrektheit — strikt additiv, lenient-Verhalten byte-genau erhalten.
Neu:
sdata/dtypes.py(pure stdlib)Single Source of Truth für Coercion, JSON-(De)Serialisierung, Python-Klasse und XSD-Typ-Mapping (Grundlage der JSON-LD-Schicht in PR2/PR3).
Verbesserungen
TimeStamp, ISO-8601/UTC) — war bisher kaputt.strict=Truecase-insensitiv (yes/no/on/off…), wirft bei Mehrdeutigkeit.resolve); dtype-Wechsel castet den Wert um (bisheriger TODO).bytes(base64),json(dict/list),uri(+ XSDbase64Binary/anyURI).strict=wirftDtypeErrorstatt still zu degradieren.Bugfixes
Metadata.name↔_sdata_nameals Single Source of Truth (keine Desync).relabel()schlüsselt explizit um (kein Präfix-Verlust).update_hash()gibt das Hash-Objekt zurück (statt der builtin-hash-Klasse).to_json()serialisiert timestamp/bytes JSON-sicher.Kompatibilität & Tests
Keine neuen Dependencies.
Attribute/Metadata-Public-API unverändert;base.pyunberührt. Die bestehendentest_metadata*/test_attribute/test_base*-Tests laufen unverändert grün. Neu:tests/test_dtypes.py. 418 passed, 8 skipped, Coverage 100 %.