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from fastapi import FastAPI, Request, HTTPException, Depends |
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials |
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from pydantic import BaseModel |
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from typing import List |
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from rag_chain import build_rag_chain, load_remote_pdf |
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import uvicorn |
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import os |
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from dotenv import load_dotenv |
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load_dotenv() |
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HACKATHON_API_KEY = os.getenv("HACKATHON_API_KEY") |
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app = FastAPI() |
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bearer_scheme = HTTPBearer() |
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class QueryRequest(BaseModel): |
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documents: str |
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questions: List[str] |
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class QueryResponse(BaseModel): |
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answers: List[str] |
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def verify_token(credentials: HTTPAuthorizationCredentials = Depends(bearer_scheme)): |
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if credentials.credentials != HACKATHON_API_KEY: |
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raise HTTPException(status_code=401, detail="Unauthorized") |
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@app.post("/api/v1/hackrx/run", response_model=QueryResponse, dependencies=[Depends(verify_token)]) |
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async def run_query(data: QueryRequest): |
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try: |
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pdf_path = load_remote_pdf(data.documents) |
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rag_chain = build_rag_chain(pdf_path) |
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answers = [rag_chain.invoke(q) for q in data.questions] |
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return {"answers": answers} |
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except Exception as e: |
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raise HTTPException(status_code=500, detail=str(e)) |
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if __name__ == "__main__": |
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uvicorn.run(app, host="0.0.0.0", port=8000) |
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