SimpleMongoReader#

class llama_index.readers.SimpleMongoReader(host: Optional[str] = None, port: Optional[int] = None, uri: Optional[str] = None)#

Bases: BaseReader

Simple mongo reader.

Concatenates each Mongo doc into Document used by LlamaIndex.

Parameters

  • host (str) – Mongo host.

  • port (int) – Mongo port.

Methods Summary

lazy_load_data(db_name, collection_name[, ...])

Load data from the input directory.

Methods Documentation

lazy_load_data(db_name: str, collection_name: str, field_names: List[str] = ['text'], separator: str = '', query_dict: Optional[Dict] = None, max_docs: int = 0, metadata_names: Optional[List[str]] = None) → Iterable[Document]#

Load data from the input directory.

Parameters

  • db_name (str) – name of the database.

  • collection_name (str) – name of the collection.

  • field_names (List[str]) – names of the fields to be concatenated. Defaults to [“text”]

  • separator (str) – separator to be used between fields. Defaults to “”

  • query_dict (Optional[Dict]) – query to filter documents. Read more

  • docs](https (at [official) – //www.mongodb.com/docs/manual/reference/method/db.collection.find/#std-label-method-find-query) Defaults to None

  • max_docs (int) – maximum number of documents to load. Defaults to 0 (no limit)

  • metadata_names (Optional[List[str]]) – names of the fields to be added to the metadata attribute of the Document. Defaults to None

Returns

A list of documents.

Return type

List[Document]