langchain_community.docstore.arbitrary_fn.DocstoreFn¶
- class langchain_community.docstore.arbitrary_fn.DocstoreFn(lookup_fn: Callable[[str], Union[Document, str]])[source]¶
Docstore via arbitrary lookup function.
- This is useful when:
it’s expensive to construct an InMemoryDocstore/dict
you retrieve documents from remote sources
you just want to reuse existing objects
Methods
__init__(lookup_fn)delete(ids)Deleting IDs from in memory dictionary.
search(search)Search for a document.
- Parameters
lookup_fn (Callable[[str], Union[Document, str]]) –
- __init__(lookup_fn: Callable[[str], Union[Document, str]])[source]¶
- Parameters
lookup_fn (Callable[[str], Union[Document, str]]) –
- delete(ids: List) None¶
Deleting IDs from in memory dictionary.
- Parameters
ids (List) –
- Return type
None