afrom_texts() — langchain Function Reference

Architecture documentation for the afrom_texts() function in vectorstores.py from the langchain codebase.

Function python CoreAbstractions Serialization calls 2

Entity Profile

CoreAbstractions→ Serialization→ afrom_texts() — langchain Function Reference

Dependency Diagram

graph TD
  abe1bf7a_a00e_6397_9fc7_cf87714d9167["afrom_texts()"]
  bf62db79_4217_463c_798f_6f8528ed0d6e["Qdrant"]
  abe1bf7a_a00e_6397_9fc7_cf87714d9167 -->|defined in| bf62db79_4217_463c_798f_6f8528ed0d6e
  ac7b5827_8ed2_b07c_6d88_57b31096cc99["aconstruct_instance()"]
  abe1bf7a_a00e_6397_9fc7_cf87714d9167 -->|calls| ac7b5827_8ed2_b07c_6d88_57b31096cc99
  675dc134_0c09_bf23_f892_4a4af82a4549["aadd_texts()"]
  abe1bf7a_a00e_6397_9fc7_cf87714d9167 -->|calls| 675dc134_0c09_bf23_f892_4a4af82a4549
  style abe1bf7a_a00e_6397_9fc7_cf87714d9167 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/qdrant/langchain_qdrant/vectorstores.py lines 1430–1611

    async def afrom_texts(
        cls: type[Qdrant],
        texts: list[str],
        embedding: Embeddings,
        metadatas: list[dict] | None = None,
        ids: Sequence[str] | None = None,
        location: str | None = None,
        url: str | None = None,
        port: int | None = 6333,
        grpc_port: int = 6334,
        prefer_grpc: bool = False,  # noqa: FBT001, FBT002
        https: bool | None = None,  # noqa: FBT001
        api_key: str | None = None,
        prefix: str | None = None,
        timeout: int | None = None,
        host: str | None = None,
        path: str | None = None,
        collection_name: str | None = None,
        distance_func: str = "Cosine",
        content_payload_key: str = CONTENT_KEY,
        metadata_payload_key: str = METADATA_KEY,
        vector_name: str | None = VECTOR_NAME,
        batch_size: int = 64,
        shard_number: int | None = None,
        replication_factor: int | None = None,
        write_consistency_factor: int | None = None,
        on_disk_payload: bool | None = None,  # noqa: FBT001
        hnsw_config: models.HnswConfigDiff | None = None,
        optimizers_config: models.OptimizersConfigDiff | None = None,
        wal_config: models.WalConfigDiff | None = None,
        quantization_config: models.QuantizationConfig | None = None,
        init_from: models.InitFrom | None = None,
        on_disk: bool | None = None,  # noqa: FBT001
        force_recreate: bool = False,  # noqa: FBT001, FBT002
        **kwargs: Any,
    ) -> Qdrant:
        """Construct Qdrant wrapper from a list of texts.

        Args:
            texts: A list of texts to be indexed in Qdrant.
            embedding: A subclass of `Embeddings`, responsible for text vectorization.
            metadatas:
                An optional list of metadata. If provided it has to be of the same
                length as a list of texts.
            ids:
                Optional list of ids to associate with the texts. Ids have to be
                uuid-like strings.
            location:
                If ':memory:' - use in-memory Qdrant instance.
                If `str` - use it as a `url` parameter.
                If `None` - fallback to relying on `host` and `port` parameters.
            url: either host or str of "scheme | None, host, port | None,
                prefix | None".
            port: Port of the REST API interface. Default: 6333
            grpc_port: Port of the gRPC interface. Default: 6334
            prefer_grpc:
                If true - use gPRC interface whenever possible in custom methods.
                Default: False
            https: If true - use HTTPS(SSL) protocol. Default: None
            api_key:
                    API key for authentication in Qdrant Cloud. Default: None
                    Can also be set via environment variable `QDRANT_API_KEY`.
            prefix:
                If not None - add prefix to the REST URL path.
                Example: service/v1 will result in
                    http://localhost:6333/service/v1/{qdrant-endpoint} for REST API.
                Default: None
            timeout:
                Timeout for REST and gRPC API requests.
                Default: 5.0 seconds for REST and unlimited for gRPC
            host:
                Host name of Qdrant service. If url and host are None, set to
                'localhost'. Default: None
            path:
                Path in which the vectors will be stored while using local mode.
                Default: None
            collection_name:
                Name of the Qdrant collection to be used. If not provided,
                it will be created randomly. Default: None
            distance_func:
                Distance function. One of: "Cosine" / "Euclid" / "Dot".