1. src/usdm_to_linkml/init.py - Package init exposing USDMToLinkMLConverter
2. src/usdm_to_linkml/converter.py - Main converter module with:
   - USDMToLinkMLConverter class that:
   • Discovers all 97 USDM Pydantic models from usdm_model package
   • Maps Python types to LinkML ranges (string, integer, float, boolean)
   • Preserves inheritance hierarchy via is_a
   • Marks base classes as abstract: true
   • Handles instanceType with designates_type: true and per-class slot_usage with equals_string
   • Detects ID reference fields (*Id, *Ids) and sets inlined: false with inferred target class ranges
   • Handles List[X] → multivalued: true
   • Handles Union[X, None] → required: false
3. scripts/generate_schema.py - CLI entry point to generate the schema
4. output/usdm.yaml - Generated LinkML schema with:
   - 97 classes (72 USDM models + base classes + additional referenced classes)
   - 240 slots
   - Proper inheritance chains
   - instanceType constraints per class
5. tests/test_converter.py - 26 tests covering:
   - Model discovery
   - Schema structure
   - Inheritance mapping
   - instanceType handling
   - ID reference detection
   - Type mapping
   - Schema validation with LinkML

Usage

Activate virtual environment

source .venv/bin/activate

Generate the schema

python scripts/generate_schema.py

Run tests

pytest tests/test_converter.py -v

Validate with LinkML

linkml-lint output/usdm.yaml