init() — langchain Function Reference

Architecture documentation for the __init__() function in encoder_backed.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ __init__() — langchain Function Reference

Dependency Diagram

graph TD
  34240751_df82_d397_46b7_a1207f364911["__init__()"]
  735a81c9_6f78_0114_db70_cd34c4599651["EncoderBackedStore"]
  34240751_df82_d397_46b7_a1207f364911 -->|defined in| 735a81c9_6f78_0114_db70_cd34c4599651
  style 34240751_df82_d397_46b7_a1207f364911 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/storage/encoder_backed.py lines 52–70

    def __init__(
        self,
        store: BaseStore[str, Any],
        key_encoder: Callable[[K], str],
        value_serializer: Callable[[V], bytes],
        value_deserializer: Callable[[Any], V],
    ) -> None:
        """Initialize an `EncodedStore`.

        Args:
            store: The underlying byte store to wrap.
            key_encoder: Function to encode keys from type `K` to strings.
            value_serializer: Function to serialize values from type `V` to bytes.
            value_deserializer: Function to deserialize bytes back to type V.
        """
        self.store = store
        self.key_encoder = key_encoder
        self.value_serializer = value_serializer
        self.value_deserializer = value_deserializer