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LangChain integrations for Google Cloud Firestore

Project description

Firestore for LangChain

This package contains the LangChain integrations for Firestore.

🧪 Preview: This feature is covered by the Pre-GA Offerings Terms of the Google Cloud Terms of Service. Please note that pre-GA products and features might have limited support, and changes to pre-GA products and features might not be compatible with other pre-GA versions. For more information, see the launch stage descriptions

Getting Started

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

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

Installation

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

With virtualenv, it's possible to install this library without needing system install permissions, and without clashing with the installed system dependencies.

pip install virtualenv
virtualenv <your-env>
source <your-env>/bin/activate
<your-env>/bin/pip install langchain-google-firestore

Document Loader Usage

Use a document loader to load data as LangChain Documents.

from langchain_google_firestore import FirestoreLoader


loader = FirestoreLoader("Collection")
docs = loader.lazy_load()

See the full Document Loader tutorial.

Chat Message History Usage

Use ChatMessageHistory to store messages and provide conversation history to LLMs.

from langchain_google_firestore import FirestoreChatMessageHistory


history = FirestoreChatMessageHistory(
    session_id="my-session-id",
    collection="HistoryMessages"
)

See the full Chat Message History tutorial.

Contributing

Contributions to this library are always welcome and highly encouraged.

See CONTRIBUTING for more information how to get started.

Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms. See Code of Conduct for more information.

License

Apache 2.0 - See LICENSE for more information.

Disclaimer

This is not an officially supported Google product.

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