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In order to use this library, you first need to go through the followingsteps:

1. Select or create a Cloud Platform project.
2. Enable billing for your project.
3. Enable the Google Cloud Datastore API.
4. Setup Authentication.

Install this library in avirtualenv using pip.virtualenv is a tool to create isolated Python environments. The basic problem it addresses isone of dependencies and versions, and indirectly permissions.

Withvirtualenv, it’s possible to install this library without needing system install permissions, and without clashing with the installed system dependencies.

Python >= 3.9

pip install virtualenvvirtualenv <your-env>source <your-env>/bin/activate<your-env>/bin/pip install langchain-google-datastore

pip install virtualenvvirtualenv <your-env><your-env>\Scripts\activate<your-env>\Scripts\pip.exe install langchain-google-datastore

Use a document loader to load data as LangChainDocuments.

fromlangchain_google_datastoreimportDatastoreLoaderloader=DatastoreLoader(source="MyKind")docs=loader.lazy_load()

See the fullDocument Loader tutorial.

UseChatMessageHistory to store messages and provide conversationhistory to LLMs.

fromlangchain_google_datastoreimportDatastoreChatMessageHistoryhistory=DatastoreChatMessageHistory(session_id="my-session_id",kind="HistoryMessages")

See the fullChat Message History tutorial.

Contributions to this library are always welcome and highly encouraged.

SeeCONTRIBUTING for more information how to get started.

Please note that this project is released with a Contributor Code of Conduct. By participating inthis project you agree to abide by its terms. SeeCode of Conduct for moreinformation.

Apache 2.0 - SeeLICENSEfor more information.

This is not an officially supported Google product.