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Update app.py
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app.py
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import os
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import httpx
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from fastapi import FastAPI, Request
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import StreamingResponse
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# सर्वर की मुख्य नींव
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app = FastAPI()
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# क्रॉस-ओरिजिन (CORS) नीतियां ताकि आपका सुरक्षित फ्रंटएंड इससे जुड़ सके
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_headers=["*"],
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)
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#
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# स्ट्रीमिंग डेटा जनरेटर (Stream Generator)
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async def event_stream_generator():
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async with httpx.AsyncClient(timeout=120.0) as client:
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async with client.stream("POST", SECRET_API_URL, headers=headers, json=payload) as response:
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# यदि कोई त्रुटि आती है तो उसे पकड़कर फ्रंटएंड को भेजें
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if response.status_code != 200:
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error_detail = await response.aread()
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yield f"data: {{\"error\": \"बाहरी सर्वर से संपर्क में त्रुटि, कोड: {response.status_code}\"}}\n\n"
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return
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# सफलता पूर्वक स्ट्रीम प्राप्त करना
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async for line in response.aiter_lines():
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if line:
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# डेटा को सही SSE (Server-Sent Events) प्रारूप में भेजें
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yield f"{line}\n\n"
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# स्ट्रीमिंग रिस्पॉन्स को सीधे फ्रंटएंड की ओर प्रवाहित करें
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return StreamingResponse(event_stream_generator(), media_type="text/event-stream")
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except Exception as e:
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return JSONResponse(status_code=500, content={"error": f"आंतरिक सर्वर त्रुटि: {str(e)}"})
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=7860)
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import os
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import httpx
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from fastapi import FastAPI, Request, HTTPException
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import StreamingResponse
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_headers=["*"],
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)
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# टोकन और अन्य कॉन्फ़िगरेशन
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SECRET_TOKEN = "uISssvLLmXK0bsrcFICh14o7aj4q2ZT4"
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API_KEY = os.getenv("SECRET_API_KEY")
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API_URL = os.getenv("SECRET_API_URL")
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MODEL_NAME = os.getenv("SECRET_MODEL_NAME")
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SYSTEM_PROMPT = os.getenv("SECRET_SYSTEM_PROMPT")
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@app.post("/v1/chat/completions")
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async def chat_completions(request: Request):
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# टोकन वेरिफिकेशन: इसके बिना कोई रिस्पॉन्स नहीं जाएगा
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auth_header = request.headers.get("Authorization")
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if auth_header != f"Bearer {SECRET_TOKEN}":
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raise HTTPException(status_code=401, detail="Unauthorized: Invalid Token")
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data = await request.json()
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user_messages = data.get("messages", [])
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# OpenAI Format को NVIDIA के स्ट्रक्चर में बदलना
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full_messages = [{"role": "system", "content": SYSTEM_PROMPT}] + user_messages
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payload = {
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"model": MODEL_NAME,
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"messages": full_messages,
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"max_tokens": data.get("max_tokens", 4096),
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"temperature": data.get("temperature", 1.0),
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"stream": True,
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"chat_template_kwargs": {"enable_thinking": True}
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}
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async def stream_generator():
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async with httpx.AsyncClient(timeout=120.0) as client:
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async with client.stream(
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"POST",
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API_URL,
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headers={"Authorization": f"Bearer {API_KEY}", "Content-Type": "application/json"},
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json=payload
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) as response:
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async for line in response.aiter_lines():
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if line:
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yield f"{line}\n\n"
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return StreamingResponse(stream_generator(), media_type="text/event-stream")
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=7860)
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