ChromaReader

class llama_index.readers.ChromaReader(collection_name: str, persist_directory: Optional[str] = None, chroma_api_impl: str = 'rest', chroma_db_impl: Optional[str] = None, host: str = 'localhost', port: int = 8000)

Bases: BaseReader

Chroma reader.

Retrieve documents from existing persisted Chroma collections.

Parameters

• collection_name – Name of the persisted collection.

• persist_directory – Directory where the collection is persisted.

Methods Summary

create_documents(results)	Create documents from the results.
load_data([query_embedding, limit, where, ...])	Load data from the collection.

Methods Documentation

create_documents(results: Any) → List[Document]

Create documents from the results.

Parameters

results – Results from the query.

Returns

List of documents.

load_data(query_embedding: Optional[List[float]] = None, limit: int = 10, where: Optional[dict] = None, where_document: Optional[dict] = None, query: Optional[Union[str, List[str]]] = None) → Any

Load data from the collection.

Parameters

• limit – Number of results to return.

• where – Filter results by metadata. {“metadata_field”: “is_equal_to_this”}

• where_document – Filter results by document. {“$contains”:”search_string”}

Returns

List of documents.