Update app.py
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app.py
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from transformers import
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import torch
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import gradio as gr
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import spaces
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from threading import Thread
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# ======================================================
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# إعدادات الموديل
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# ======================================================
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MODEL_ID = "unsloth/gemma-3-4b-it-unsloth-bnb-4bit"
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# ======================================================
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# البرومبت الافتراضي (متوافق مع أسلوب التدريب)
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# ======================================================
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SYSTEM_PROMPT = (
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"أنت مساعد ذكي تفهم اللهجة العراقية والعربية الفصحى. "
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"جاوب على الأسئلة بإيجاز ووضوح، بنفس لغة المستخدم. "
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)
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# ======================================================
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# تحميل الموديل (
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# ======================================================
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print("🔄 Loading
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model.eval()
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print("✅ Model ready
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# ======================================================
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# ======================================================
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@spaces.GPU(duration=60)
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def chat(message, history):
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# تحويل تاريخ المحادثة لصيغة
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messages = []
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for msg in history:
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if msg["role"] == "user":
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# نضيف السؤال الحالي مع system prompt
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messages.append({"role": "user", "content": f"{SYSTEM_PROMPT}\n\nالسؤال: {message}"})
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#
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input_ids = tokenizer.apply_chat_template(
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messages,
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return_tensors="pt",
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repetition_penalty=1.15,
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)
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#
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thread = Thread(target=model.generate, kwargs=generation_kwargs)
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thread.start()
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demo = gr.ChatInterface(
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fn=chat,
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type="messages",
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title="🇮🇶 Gemma 3 4B – Iraqi
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description="""
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**نموذج Gemma 3 4B Instruct (Unsloth Optimized)**
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مدرّب على العربية والفصحى ومهيّأ للحوار باللهجة
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🧠
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- "شنو معنى إنكار معقول؟"
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- "اشرحلي شنو يعني تصعيد إداري"
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- "وضحلي الفرق بين الدليل والعبرة"
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from transformers import AutoTokenizer, TextIteratorStreamer
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import torch
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import gradio as gr
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import spaces
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from threading import Thread
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# نحاول استخدام Unsloth إذا متوفر
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try:
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from unsloth import FastLanguageModel
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HAS_UNSLOTH = True
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except ImportError:
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HAS_UNSLOTH = False
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# ======================================================
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# إعدادات الموديل
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# ======================================================
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MODEL_ID = "unsloth/gemma-3-4b-it-unsloth-bnb-4bit"
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SYSTEM_PROMPT = (
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"أنت مساعد ذكي تفهم اللهجة العراقية والعربية الفصحى. "
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"جاوب على الأسئلة بإيجاز ووضوح، بنفس لغة المستخدم. "
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)
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# ======================================================
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# تحميل الموديل (مع دعم Unsloth أو Transformers العادي)
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# ======================================================
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print("🔄 Loading model:", MODEL_ID)
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if HAS_UNSLOTH:
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print("🚀 Using Unsloth FastLanguageModel backend")
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model, tokenizer = FastLanguageModel.from_pretrained(
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MODEL_ID,
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dtype=torch.bfloat16,
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load_in_4bit=True,
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device_map="auto",
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)
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else:
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print("⚙️ Using standard Transformers backend")
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from transformers import AutoModelForCausalLM
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model = AutoModelForCausalLM.from_pretrained(
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MODEL_ID,
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torch_dtype=torch.bfloat16,
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device_map="auto",
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)
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tokenizer = AutoTokenizer.from_pretrained(MODEL_ID)
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model.eval()
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print("✅ Model ready!\n")
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# ======================================================
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# ======================================================
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@spaces.GPU(duration=60)
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def chat(message, history):
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# تحويل تاريخ المحادثة لصيغة messages
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messages = []
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for msg in history:
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if msg["role"] == "user":
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# نضيف السؤال الحالي مع system prompt
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messages.append({"role": "user", "content": f"{SYSTEM_PROMPT}\n\nالسؤال: {message}"})
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# تجهيز الإدخال عبر الـ chat template
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input_ids = tokenizer.apply_chat_template(
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messages,
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return_tensors="pt",
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repetition_penalty=1.15,
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)
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# تشغيل التوليد في Thread منفصل
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thread = Thread(target=model.generate, kwargs=generation_kwargs)
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thread.start()
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demo = gr.ChatInterface(
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fn=chat,
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type="messages",
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title="🇮🇶 Gemma 3 4B – Iraqi Arabic Chat",
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description="""
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**نموذج Gemma 3 4B Instruct (Unsloth Optimized)**
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مدرّب على العربية والفصحى ومهيّأ للحوار باللهجة العراقية 🇮🇶
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🧠 أمثلة جاهزة:
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- "شنو معنى إنكار معقول؟"
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- "اشرحلي شنو يعني تصعيد إداري"
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- "وضحلي الفرق بين الدليل والعبرة"
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