langchain_ai21.semantic_text_splitter.AI21SemanticTextSplitter¶

class langchain_ai21.semantic_text_splitter.AI21SemanticTextSplitter(chunk_size: int = 0, chunk_overlap: int = 0, client: Optional[Any] = None, api_key: Optional[SecretStr] = None, api_host: Optional[str] = None, timeout_sec: Optional[float] = None, num_retries: Optional[int] = None, **kwargs: Any)[source]¶

Splitting text into coherent and readable units, based on distinct topics and lines

Create a new TextSplitter.

Methods

__init__([chunk_size, chunk_overlap, ...])

Create a new TextSplitter.

atransform_documents(documents, **kwargs)

Asynchronously transform a list of documents.

create_documents(texts[, metadatas])

Create documents from a list of texts.

from_huggingface_tokenizer(tokenizer, **kwargs)

Text splitter that uses HuggingFace tokenizer to count length.

from_tiktoken_encoder([encoding_name, ...])

Text splitter that uses tiktoken encoder to count length.

split_documents(documents)

Split documents.

split_text(source)

Split text into multiple components.

split_text_to_documents(source)

Split text into multiple documents.

transform_documents(documents, **kwargs)

Transform sequence of documents by splitting them.

Parameters
  • chunk_size (int) –

  • chunk_overlap (int) –

  • client (Optional[Any]) –

  • api_key (Optional[SecretStr]) –

  • api_host (Optional[str]) –

  • timeout_sec (Optional[float]) –

  • num_retries (Optional[int]) –

  • kwargs (Any) –

__init__(chunk_size: int = 0, chunk_overlap: int = 0, client: Optional[Any] = None, api_key: Optional[SecretStr] = None, api_host: Optional[str] = None, timeout_sec: Optional[float] = None, num_retries: Optional[int] = None, **kwargs: Any) None[source]¶

Create a new TextSplitter.

Parameters
  • chunk_size (int) –

  • chunk_overlap (int) –

  • client (Optional[Any]) –

  • api_key (Optional[SecretStr]) –

  • api_host (Optional[str]) –

  • timeout_sec (Optional[float]) –

  • num_retries (Optional[int]) –

  • kwargs (Any) –

Return type

None

async atransform_documents(documents: Sequence[Document], **kwargs: Any) Sequence[Document]¶

Asynchronously transform a list of documents.

Parameters
  • documents (Sequence[Document]) – A sequence of Documents to be transformed.

  • kwargs (Any) –

Returns

A list of transformed Documents.

Return type

Sequence[Document]

create_documents(texts: List[str], metadatas: Optional[List[dict]] = None) List[Document][source]¶

Create documents from a list of texts.

Parameters
  • texts (List[str]) –

  • metadatas (Optional[List[dict]]) –

Return type

List[Document]

classmethod from_huggingface_tokenizer(tokenizer: Any, **kwargs: Any) TextSplitter¶

Text splitter that uses HuggingFace tokenizer to count length.

Parameters
  • tokenizer (Any) –

  • kwargs (Any) –

Return type

TextSplitter

classmethod from_tiktoken_encoder(encoding_name: str = 'gpt2', model_name: Optional[str] = None, allowed_special: Union[Literal['all'], AbstractSet[str]] = {}, disallowed_special: Union[Literal['all'], Collection[str]] = 'all', **kwargs: Any) TS¶

Text splitter that uses tiktoken encoder to count length.

Parameters
  • encoding_name (str) –

  • model_name (Optional[str]) –

  • allowed_special (Union[Literal['all'], ~typing.AbstractSet[str]]) –

  • disallowed_special (Union[Literal['all'], ~typing.Collection[str]]) –

  • kwargs (Any) –

Return type

TS

split_documents(documents: Iterable[Document]) List[Document]¶

Split documents.

Parameters

documents (Iterable[Document]) –

Return type

List[Document]

split_text(source: str) List[str][source]¶

Split text into multiple components.

Parameters

source (str) – Specifies the text input for text segmentation

Return type

List[str]

split_text_to_documents(source: str) List[Document][source]¶

Split text into multiple documents.

Parameters

source (str) – Specifies the text input for text segmentation

Return type

List[Document]

transform_documents(documents: Sequence[Document], **kwargs: Any) Sequence[Document]¶

Transform sequence of documents by splitting them.

Parameters
  • documents (Sequence[Document]) –

  • kwargs (Any) –

Return type

Sequence[Document]