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f561bfa850
Overlay sources now have two distinct collections: `columns:` for computed columns (requiring `expr` + `type`) and `column_overrides:` for metadata patches to inherited manifest columns. Composing or loading an overlay that mixes the two — or references an unknown column — fails with a typed error. Introduce `ResolvedSemanticLayerSource` / `resolvedSourceSchema` / `toResolvedWire` as the strict shape sent to the Python engine, and add a schema contract test that diffs Zod against the Pydantic JSON schema dumped by `python -m semantic_layer dump-schema`. `SourceDefinition` is now `extra="forbid"` on the Python side. `loadAllSources` surfaces per-file load errors instead of swallowing them, so validation/query paths can report manifest shard parse failures.
22 lines
494 B
Python
22 lines
494 B
Python
from __future__ import annotations
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import json
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import sys
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from semantic_layer.cli import main as cli_main
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from semantic_layer.models import SourceDefinition
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def dump_schema() -> None:
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json.dump(
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SourceDefinition.model_json_schema(), sys.stdout, indent=2, sort_keys=True
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)
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sys.stdout.write("\n")
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if __name__ == "__main__":
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if len(sys.argv) > 1 and sys.argv[1] in {"dump-schema", "schema"}:
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sys.argv.pop(1)
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dump_schema()
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else:
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cli_main()
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