FakeParrotRetriever Class — langchain Architecture

Architecture documentation for the FakeParrotRetriever class in parrot_retriever.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  ad48711c_b4e9_3ecb_576e_4ed8aa3ef6bf["FakeParrotRetriever"]
  3a20478a_3692_141f_433b_a32429b00020["BaseRetriever"]
  ad48711c_b4e9_3ecb_576e_4ed8aa3ef6bf -->|extends| 3a20478a_3692_141f_433b_a32429b00020
  9944f4c9_3c2a_ccc8_2752_6d12dedb32dc["parrot_retriever.py"]
  ad48711c_b4e9_3ecb_576e_4ed8aa3ef6bf -->|defined in| 9944f4c9_3c2a_ccc8_2752_6d12dedb32dc
  5820fb39_8109_9356_47a1_bbfc1d2da985["_get_relevant_documents()"]
  ad48711c_b4e9_3ecb_576e_4ed8aa3ef6bf -->|method| 5820fb39_8109_9356_47a1_bbfc1d2da985
  04619f2d_4246_7e3e_3bff_43c06d3b3760["_aget_relevant_documents()"]
  ad48711c_b4e9_3ecb_576e_4ed8aa3ef6bf -->|method| 04619f2d_4246_7e3e_3bff_43c06d3b3760

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/retrievers/parrot_retriever.py lines 5–18

class FakeParrotRetriever(BaseRetriever):
    """Test util that parrots the query back as documents."""

    def _get_relevant_documents(  # type: ignore[override]
        self,
        query: str,
    ) -> list[Document]:
        return [Document(page_content=query)]

    async def _aget_relevant_documents(  # type: ignore[override]
        self,
        query: str,
    ) -> list[Document]:
        return [Document(page_content=query)]