LlamaIndex Readers Integration: Mongo
Overview
Simple Mongo Reader allows loading data from a MongoDB database. It concatenates specified fields from each document into a single document used by LlamaIndex.
Installation
You can install MongoDB Reader via pip:
pip install llama-index-readers-mongodb
Usage
from llama_index.readers.mongodb import SimpleMongoReader
# Initialize SimpleMongoReader
reader = SimpleMongoReader(
host="<Mongo Host>", # Mongo host address
port=27017, # Mongo port (default: 27017)
uri="<Mongo Connection String>", # Provide the URI if not using host and port
)
# Lazy load data from MongoDB
documents = reader.lazy_load_data(
db_name="<Database Name>", # Name of the database
collection_name="<Collection Name>", # Name of the collection
field_names=[
"text"
], # Names of the fields to concatenate (default: ["text"])
separator="", # Separator between fields (default: "")
query_dict=None, # Query to filter documents (default: None)
max_docs=0, # Maximum number of documents to load (default: 0)
metadata_names=None, # Names of the fields to add to metadata attribute (default: None)
)
Implementation for MongoDB reader can be found here
This loader is designed to be used as a way to load data into LlamaIndex and/or subsequently used as a Tool in a LangChain Agent.
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