Chat Application using LangChain::Streamlit::FastAPI

This repository provides sample code for developing Chat application using Langchain framework (OpenAI). For GUI development Streamlit has been used. Furthermore, to demonstrate web API based application, FastAPI has ben employed.

Output

Dependencies:

This repository is dependent on the following packages:

• langchain
• openai
• streamlit
• fastapi
• faiss-client
• pypdf
• python-dotenv
• Requests

Running Streamlit Application:

streamlit run test.py

Running UniCorn Server to access FastAPI:

uvicorn modelapi::api --reload

Checking FastAPI endpoint

http://127.0.0.1:8000/docs

Running Streamlit Application that uses API:

streamlit run testapi.py