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Update app.py
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app.py
CHANGED
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import os
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from
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from fastapi import FastAPI, HTTPException, Request
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from fastapi.responses import StreamingResponse
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from fastapi.middleware.cors import CORSMiddleware
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import aiohttp
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import json
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import time
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import random
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import ast
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import urllib.parse
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from apscheduler.schedulers.background import BackgroundScheduler
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import os
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from pydantic import BaseModel
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SAMBA_NOVA_API_KEY = os.environ.get("SAMBA_NOVA_API_KEY", None)
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app = FastAPI()
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# Time-Limited Infinite Cache
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cache = {}
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CACHE_DURATION = 120
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# Function to clean up expired cache entries
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def cleanup_cache():
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current_time = time.time()
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for key, (value, timestamp) in list(cache.items()):
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if current_time - timestamp > CACHE_DURATION:
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del cache[key]
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# Initialize and start the scheduler
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scheduler = BackgroundScheduler()
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scheduler.add_job(cleanup_cache, 'interval', seconds=60) # Run cleanup every 60 seconds
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scheduler.start()
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class StreamTextRequest(BaseModel):
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query: str
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history: str = "[]"
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model: str = "llama3-8b"
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api_key: str = None
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@app.post("/stream_text")
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async def stream_text(request: StreamTextRequest):
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current_time = time.time()
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cache_key = (request.query, request.history, request.model)
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# Check if the request is in the cache and not expired
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if cache_key in cache:
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cached_response, timestamp = cache[cache_key]
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return StreamingResponse(iter([f"{cached_response}"]), media_type='text/event-stream')
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# Model selection logic
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if "405" in request.model:
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fmodel = "Meta-Llama-3.1-405B-Instruct"
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if "70" in request.model:
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fmodel = "Meta-Llama-3.1-70B-Instruct"
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else:
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fmodel = "Meta-Llama-3.1-8B-Instruct"
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system_message = """You are Voicee, a friendly and intelligent voice assistant created by KingNish. Your primary goal is to provide accurate, concise, and engaging responses while maintaining a positive and upbeat tone. Always aim to provide clear and relevant information that directly addresses the user's query, but feel free to sprinkle in a dash of humor—after all, laughter is the best app! Keep your responses brief and to the point, avoiding unnecessary details or tangents, unless they’re hilariously relevant. Use a friendly and approachable tone to create a pleasant interaction, and don’t shy away from a cheeky pun or two! Tailor your responses based on the user's input and previous interactions, ensuring a personalized experience that feels like chatting with a witty friend. Invite users to ask follow-up questions or clarify their needs, fostering a conversational flow that’s as smooth as butter on a hot pancake. Aim to put a smile on the user's face with light-hearted and fun responses, and be proactive in offering additional help or suggestions related to the user's query. Remember, your goal is to be the go-to assistant for users, making their experience enjoyable and informative—like a delightful dessert after a hearty meal!"""
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messages = [{'role': 'system', 'content': system_message}]
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messages.extend(ast.literal_eval(request.history))
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messages.append({'role': 'user', 'content': request.query})
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data = {'messages': messages, 'stream': True, 'model': fmodel}
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api_key = request.api_key or SAMBA_NOVA_API_KEY
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async def stream_response():
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async with aiohttp.ClientSession() as session:
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async with session.post('https://api.sambanova.ai/v1/chat/completions', headers = { 'Authorization': f'Bearer {api_key}', 'Content-Type': 'application/json' }, json=data) as response:
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if response.status != 200:
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raise HTTPException(status_code=response.status, detail="Error fetching AI response")
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response_content = ""
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async for line in response.content:
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line = line.decode('utf-8').strip()
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if line.startswith('data: {'):
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json_data = line[6:]
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try:
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parsed_data = json.loads(json_data)
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content = parsed_data.get("choices", [{}])[0].get("delta", {}).get("content", '')
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if content:
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content = content.replace("\n", " ")
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response_content += f"data: {content}\n\n"
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yield f"data: {content}\n\n"
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except json.JSONDecodeError as e:
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print(f"Error decoding JSON: {e}")
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yield f"data: Error decoding JSON\n\n"
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# Cache the full response
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cache[cache_key] = (response_content, current_time)
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return StreamingResponse(stream_response(), media_type='text/event-stream')
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# Serve index.html from the same directory as your main.py file
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from starlette.responses import FileResponse
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@app.get("/script1.js")
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async def script1_js():
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return FileResponse("script1.js")
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@app.get("/script2.js")
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async def script2_js():
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return FileResponse("script2.js")
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@app.get("/")
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async def read_index():
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return FileResponse('index.html')
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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=7068, reload=True)
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