INNER CODE UNIT · Python

create_app

pathwaycom/llm-app · serviette/server/main.py:146

def create_app(
    config: ServietteConfig,
    *,
    embedder: AsyncEmbedder | None = None,
    accessor: AsyncVectorAccessor | None = None,
    llm: AsyncLLM | None = None,
    reranker: AsyncReranker | None = None,
) -> FastAPI:
    """Build the FastAPI app.

    The ``embedder``/``accessor``/``llm``/``reranker`` overrides exist for
    testing (inject a mock embedder and a DuckDB accessor); in production they
    are built from the config.
    """

    config.for_server()
    # for_server() guarantees the sections; narrow them for the type checker.
    assert config.vector_db is not None and config.embedder is not None

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