Coverage for src/lumen/fhir/resource_types.py: 100%

1""" 

2This module defines the set of all concrete FHIR R4B resource types. 

3It loads and caches the valid names from the official schema to support resource type validation. 

4""" 

5 

6from __future__ import annotations 

7 

8import json 

9from functools import lru_cache 

10from pathlib import Path 

11 

12_SCHEMA_PATH = Path(__file__).parent / "data" / "r4b" / "fhir.schema.json" 

13 

14 

15@lru_cache(maxsize=1) 

16def known_resource_types() -> frozenset[str]: 

17 """Return the set of concrete R4B resource type names (e.g. ``Patient``).""" 

18 schema = json.loads(_SCHEMA_PATH.read_text()) 

19 mapping = schema["discriminator"]["mapping"] 

20 return frozenset(mapping.keys())