langchain_community.document_loaders.wikipedia.WikipediaLoader

class langchain_community.document_loaders.wikipedia.WikipediaLoader(query: str, lang: str = 'en', load_max_docs: Optional[int] = 25, load_all_available_meta: Optional[bool] = False, doc_content_chars_max: Optional[int] = 4000)[source]

Load from Wikipedia.

The hard limit on the length of the query is 300 for now.

Each wiki page represents one Document.

Initializes a new instance of the WikipediaLoader class.

Parameters

  • query (str) – The query string to search on Wikipedia.

  • lang (str, optional) – The language code for the Wikipedia language edition. Defaults to “en”.

  • load_max_docs (int, optional) – The maximum number of documents to load. Defaults to 100.

  • load_all_available_meta (bool, optional) – Indicates whether to load all available metadata for each document. Defaults to False.

  • doc_content_chars_max (int, optional) – The maximum number of characters for the document content. Defaults to 4000.

Methods

__init__(query[, lang, load_max_docs, ...])

Initializes a new instance of the WikipediaLoader class.

lazy_load()

A lazy loader for Documents.

load()

Loads the query result from Wikipedia into a list of Documents.

load_and_split([text_splitter])

Load Documents and split into chunks.
__init__(query: str, lang: str = 'en', load_max_docs: Optional[int] = 25, load_all_available_meta: Optional[bool] = False, doc_content_chars_max: Optional[int] = 4000)[source]

Initializes a new instance of the WikipediaLoader class.

Parameters

  • query (str) – The query string to search on Wikipedia.

  • lang (str, optional) – The language code for the Wikipedia language edition. Defaults to “en”.

  • load_max_docs (int, optional) – The maximum number of documents to load. Defaults to 100.

  • load_all_available_meta (bool, optional) – Indicates whether to load all available metadata for each document. Defaults to False.

  • doc_content_chars_max (int, optional) – The maximum number of characters for the document content. Defaults to 4000.

lazy_load() → Iterator[Document]

A lazy loader for Documents.

load() → List[Document][source]

Loads the query result from Wikipedia into a list of Documents.

Returns

A list of Document objects representing the loaded

Wikipedia pages.

Return type

List[Document]

load_and_split(text_splitter: Optional[TextSplitter] = None) → List[Document]

Load Documents and split into chunks. Chunks are returned as Documents.

Parameters

text_splitter – TextSplitter instance to use for splitting documents. Defaults to RecursiveCharacterTextSplitter.

Returns

List of Documents.

Examples using WikipediaLoader