PrepGraph-Backend / requirements.txt
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Add all required dependencies for backend
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# --- Core backend ---
fastapi==0.110.0
uvicorn==0.29.0
python-dotenv==1.0.1
# --- LangChain stack (old structure compatible with your retriever) ---
langchain==0.1.16
langchain-community==0.0.32
langchain-groq==0.0.2
sentence-transformers==2.2.2
faiss-cpu==1.7.4
tiktoken==0.7.0
rank-bm25==0.2.2
# --- PDF + text processing ---
pypdf==3.17.1
unstructured==0.10.30
# --- Optional frontend for testing ---
gradio==4.37.2