# FastAPI and ASGI server
fastapi

# LangChain and associated dependencies
langchain
langchain-community
langchain-openai

# OpenAI API client
openai

# Embeddings and Vector Stores
faiss-cpu

# Utility Libraries
python-dotenv==1.0.1  # For environment variable management
pydantic==2.7.1       # Data validation library (dependency for FastAPI and LangChain)

# Async support
asyncio==3.4.3  # Part of Python >=3.6 but included explicitly for clarity
pdfplumber