Update app.py
Browse files
app.py
CHANGED
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@@ -11,7 +11,7 @@ from chromadb.utils import embedding_functions
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# --- الإعدادات الفنية ---
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app = FastAPI(title="Neural RAG Engine")
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# تفعيل CORS للسماح لواجهات Next.js بالاتصال
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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@@ -19,6 +19,7 @@ app.add_middleware(
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allow_headers=["*"],
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)
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STORAGE_PATH = "/data/neural_memory" if os.path.exists("/data") else "./neural_memory"
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chroma_client = chromadb.PersistentClient(path=STORAGE_PATH)
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default_ef = embedding_functions.DefaultEmbeddingFunction()
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@@ -29,62 +30,54 @@ client = OpenAI(
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api_key=os.getenv("HF_TOKEN")
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)
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# --- وظائف
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def ingest_document(file_content, filename):
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text = file_content.decode("utf-8", errors="ignore")
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# إذا كان PDF يحتاج لمكتبة pypdf (يمكن دمجها هنا)
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chunk_size, overlap = 1000, 200
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chunks = [text[i : i + chunk_size] for i in range(0, len(text), chunk_size - overlap)]
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ids = [str(uuid.uuid4()) for _ in chunks]
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metadatas = [{"source": filename} for _ in chunks]
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collection.add(documents=chunks, ids=ids, metadatas=metadatas)
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# --- الـ Endpoints المتوافقة مع
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@app.get("/")
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def home():
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return {"status": "Neural Engine
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@app.post("/upload")
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async def upload_file(background_tasks: BackgroundTasks, file: UploadFile = File(...)):
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content = await file.read()
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background_tasks.add_task(ingest_document, content, file.filename)
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return {"message": f"Processing {file.filename}
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@app.post("/v1/chat/completions")
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async def chat_endpoint(request: Request):
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"""
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body = await request.json()
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messages = body.get("messages", [])
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temperature = body.get("temperature", 0.7)
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# البحث ال
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user_query = messages[-1]["content"] if messages else ""
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results = collection.query(query_texts=[user_query], n_results=3)
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knowledge = "\n".join(results['documents'][0]) if results['documents'] else ""
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# حقن المعرفة
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system_instruction = f"Context from
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messages.insert(0, {"role": "system", "content": system_instruction})
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def stream_gen():
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response = client.chat.completions.create(
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model="huihui-ai/Qwen2.5-72B-Instruct-abliterated",
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messages=messages,
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temperature=temperature,
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stream=True
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)
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for chunk in response:
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content = chunk.choices[0].delta.content
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if content:
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# التنسيق المطلوب لـ Server-Sent Events (SSE)
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yield f"data: {content}\n\n"
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yield "data: [DONE]\n\n"
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return StreamingResponse(stream_gen(), media_type="text/event-stream")
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-
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if __name__ == "__main__":
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import uvicorn
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# تشغيل الخادم
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uvicorn.run(app, host="0.0.0.0", port=7860)
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# --- الإعدادات الفنية ---
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app = FastAPI(title="Neural RAG Engine")
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+
# تفعيل CORS للسماح لواجهات Next.js بالاتصال
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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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# إعداد الذاكرة الدائمية في مساحة التخزين
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STORAGE_PATH = "/data/neural_memory" if os.path.exists("/data") else "./neural_memory"
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chroma_client = chromadb.PersistentClient(path=STORAGE_PATH)
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default_ef = embedding_functions.DefaultEmbeddingFunction()
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api_key=os.getenv("HF_TOKEN")
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)
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# --- وظائف معالجة المعرفة (RAG Logic) ---
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def ingest_document(file_content, filename):
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"""تقطيع وحقن المستندات مع Overlap لضمان سياق دلالي قوي."""
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text = file_content.decode("utf-8", errors="ignore")
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chunk_size, overlap = 1000, 200
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chunks = [text[i : i + chunk_size] for i in range(0, len(text), chunk_size - overlap)]
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ids = [str(uuid.uuid4()) for _ in chunks]
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metadatas = [{"source": filename} for _ in chunks]
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collection.add(documents=chunks, ids=ids, metadatas=metadatas)
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# --- الـ Endpoints المتوافقة مع Chatbot UI ---
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@app.get("/")
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def home():
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return {"status": "Neural Engine Active", "memory_count": collection.count()}
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@app.post("/upload")
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async def upload_file(background_tasks: BackgroundTasks, file: UploadFile = File(...)):
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content = await file.read()
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background_tasks.add_task(ingest_document, content, file.filename)
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return {"message": f"Processing {file.filename}..."}
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@app.post("/v1/chat/completions")
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@app.post("/api/chat") # لدعم مسارات Next.js المختلفة
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async def chat_endpoint(request: Request):
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"""محرك الاستدلال الدلالي المتوافق مع معايير OpenAI."""
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body = await request.json()
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messages = body.get("messages", [])
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# البحث في الذاكرة بناءً على آخر مدخل للمستخدم
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user_query = messages[-1]["content"] if messages else ""
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results = collection.query(query_texts=[user_query], n_results=3)
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knowledge = "\n".join(results['documents'][0]) if results['documents'] else ""
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# حقن المعرفة المسترجعة في نظام التوجيه
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system_instruction = f"Context from Knowledge Vault:\n{knowledge}\n\nAnswer using the context above."
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messages.insert(0, {"role": "system", "content": system_instruction})
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def stream_gen():
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response = client.chat.completions.create(
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model="huihui-ai/Qwen2.5-72B-Instruct-abliterated",
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messages=messages,
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stream=True
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)
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for chunk in response:
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content = chunk.choices[0].delta.content
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if content:
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yield f"data: {content}\n\n"
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yield "data: [DONE]\n\n"
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return StreamingResponse(stream_gen(), media_type="text/event-stream")
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