WatsonxRerank#

class langchain_ibm.rerank.WatsonxRerank[source]#

Bases: BaseDocumentCompressor

Document compressor that uses watsonx Rerank API.

Create a new model by parsing and validating input data from keyword arguments.

Raises [ValidationError][pydantic_core.ValidationError] if the input data cannot be validated to form a valid model.

self is explicitly positional-only to allow self as a field name.

param apikey: SecretStr | None [Optional]#

API key to the Watson Machine Learning or CPD instance.

param instance_id: SecretStr | None [Optional]#

Instance_id of the CPD instance.

param model_id: str [Required]#

Type of model to use.

param params: dict | RerankParameters | None = None#

Model parameters to use during request generation.

param password: SecretStr | None [Optional]#

Password to the CPD instance.

param project_id: str | None = None#

ID of the Watson Studio project.

param space_id: str | None = None#

ID of the Watson Studio space.

param streaming: bool = False#

Whether to stream the results or not.

param token: SecretStr | None [Optional]#

Token to the CPD instance.

param url: SecretStr [Optional]#

URL to the Watson Machine Learning or CPD instance.

param username: SecretStr | None [Optional]#

Username to the CPD instance.

param validate_model: bool = True#

Model ID validation.

param verify: str | bool | None = None#

You can pass one of following as verify: * the path to a CA_BUNDLE file * the path of directory with certificates of trusted CAs * True - default path to truststore will be taken * False - no verification will be made

param version: SecretStr | None = None#

Version of the CPD instance.

param watsonx_client: APIClient | None = None#
async acompress_documents(documents: Sequence[Document], query: str, callbacks: Callbacks | None = None) → Sequence[Document]#

Async compress retrieved documents given the query context.

Parameters:

  • documents (Sequence[Document]) – The retrieved documents.

  • query (str) – The query context.

  • callbacks (Optional[Callbacks]) – Optional callbacks to run during compression.

Returns:

The compressed documents.

Return type:

Sequence[Document]

compress_documents(documents: Sequence[Document], query: str, callbacks: list[BaseCallbackHandler] | BaseCallbackManager | None = None, **kwargs: Any) → Sequence[Document][source]#

Compress documents using watsonx’s rerank API.

Parameters:

  • documents (Sequence[Document]) – A sequence of documents to compress.

  • query (str) – The query to use for compressing the documents.

  • callbacks (list[BaseCallbackHandler] | BaseCallbackManager | None) – Callbacks to run during the compression process.

  • kwargs (Any)

Returns:

A sequence of compressed documents.

Return type:

Sequence[Document]

rerank(documents: Sequence[str | Document | dict], query: str, **kwargs: Any) → List[Dict[str, Any]][source]#
Parameters:

  • documents (Sequence[str | Document | dict])

  • query (str)

  • kwargs (Any)

Return type:

List[Dict[str, Any]]