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f88163d
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Parent(s): 3fff865
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Browse files
app.py
CHANGED
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@@ -17,7 +17,7 @@ import difflib
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# ===============================
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# 2️⃣ إعداد المتغيرات
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# ===============================
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-
MODEL_NAME = "Qwen/Qwen2.5-
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FLASK_PORT = 7860
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SAVE_DIR = "/tmp/lora_model"
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@@ -31,26 +31,25 @@ DATASET_FILE = os.path.join(DATA_DIR, "dataset.json")
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# 3️⃣ تحديد الجهاز
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# ===============================
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device = "cuda" if torch.cuda.is_available() else "cpu"
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print("🔹
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# ===============================
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# 4️⃣ تحميل الموديل الأساسي
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# ===============================
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print("🔄
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tokenizer = AutoTokenizer.from_pretrained(MODEL_NAME)
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try:
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model = AutoModelForCausalLM.from_pretrained(
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MODEL_NAME,
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device_map="auto" if device=="cuda" else {"": "cpu"},
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torch_dtype=torch.float16 if device=="cuda" else torch.float32,
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load_in_8bit=(device=="cuda"),
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trust_remote_code=True
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)
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model.to(device)
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print("✅
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except Exception as e:
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print("⚠️
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raise e
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# ===============================
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@@ -58,34 +57,33 @@ except Exception as e:
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# ===============================
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lora_config = LoraConfig(
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task_type=TaskType.CAUSAL_LM,
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r=
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lora_alpha=
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lora_dropout=0.
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target_modules=["q_proj", "v_proj"]
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)
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model = get_peft_model(model, lora_config)
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model.to(device)
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print("✅
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# ===============================
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# 6️⃣
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# ===============================
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if os.path.exists(SAVE_DIR):
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try:
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base_model = AutoModelForCausalLM.from_pretrained(
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MODEL_NAME,
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device_map="auto" if device=="cuda" else {"": "cpu"},
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torch_dtype=torch.float16 if device=="cuda" else torch.float32,
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load_in_8bit=(device=="cuda"),
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trust_remote_code=True
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)
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model = PeftModel.from_pretrained(base_model, SAVE_DIR)
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model.to(device)
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print("✅
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except Exception as e:
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print("⚠️
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else:
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print("ℹ️
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# ===============================
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# 7️⃣ إعداد Flask API
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@@ -96,15 +94,15 @@ CORS(app)
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trainer = None
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current_dataset = None
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#
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users_db = {
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"1": {"name": "
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"2": {"name": "
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"3": {"name": "
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}
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# ===============================
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# 7a️⃣ توليد نصوص
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# ===============================
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@app.route("/generate", methods=["POST"])
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def generate():
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@@ -119,15 +117,13 @@ def generate():
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user_name = user_info["name"] if user_info else "مستخدم"
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if not prompt:
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return jsonify({"messages": [{"role": "assistant", "content": "⚠️
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#
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# حالة: لا يوجد داتا تدريبية
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# =====================
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if current_dataset is None:
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base_prompt = (
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f"أنت مساعد قانوني
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f"مهم
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f"مع الحفاظ على الدقة القانونية.\n\n"
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f"السؤال:\n{prompt}\n\nالإجابة:"
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)
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@@ -138,8 +134,8 @@ def generate():
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outputs = model.generate(
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**inputs,
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max_new_tokens=
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temperature=0.
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top_p=0.9,
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do_sample=True,
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pad_token_id=tokenizer.eos_token_id,
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@@ -150,15 +146,13 @@ def generate():
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return jsonify({
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"messages": [
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{"role": "assistant", "content": f"
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{"role": "assistant", "content": reply}
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],
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"meta": {"mode": "base"}
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})
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-
#
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# حالة: يوجد داتا تدريبية
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# =====================
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candidates = []
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for item in current_dataset:
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text = item.get("text", "")
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@@ -181,14 +175,14 @@ def generate():
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elif role.startswith("assistant") or role.startswith("ai") or role.startswith("system"):
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a_lines.append(content.strip())
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if u_lines or a_lines:
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context_parts.append("
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context_text = "\n\n---\n\n".join(context_parts)
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instruction = (
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"التعليمات: است
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"لكن أجب بأسلوبك الخاص
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"حافظ على صحة المعلوم
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)
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if context_text and focus_level > 0.0:
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@@ -201,14 +195,14 @@ def generate():
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else:
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final_prompt = f"{instruction}\n\nالسؤال:\n{prompt}\n\nالإجابة:"
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#
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inputs = tokenizer(final_prompt, return_tensors="pt", truncation=True, max_length=1024)
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inputs = {k: v.to(model.device) for k, v in inputs.items()}
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input_len = inputs["input_ids"].shape[-1]
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outputs = model.generate(
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**inputs,
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max_new_tokens=
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temperature=0.6,
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top_p=0.9,
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do_sample=True,
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@@ -220,7 +214,7 @@ def generate():
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return jsonify({
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"messages": [
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{"role": "assistant", "content": f"
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{"role": "assistant", "content": reply}
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],
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"meta": {
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@@ -231,10 +225,10 @@ def generate():
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})
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except Exception as e:
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return jsonify({"messages": [{"role": "assistant", "content": f"
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# ===============================
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# 7b️⃣ تحميل ال
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# ===============================
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def load_dataset():
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global current_dataset
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@@ -255,7 +249,7 @@ def load_dataset():
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elif "text" in item:
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formatted.append({"text": item["text"]})
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current_dataset = Dataset.from_list(formatted)
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print(f"✅
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else:
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current_dataset = None
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else:
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@@ -264,7 +258,7 @@ def load_dataset():
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load_dataset()
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# ===============================
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# 7c️⃣ تدريب
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# ===============================
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@app.route("/train", methods=["POST"])
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def train():
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@@ -281,7 +275,7 @@ def train():
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elif isinstance(body, dict) and "data" in body:
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data = body["data"]
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else:
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return jsonify({"error": "JSON
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epochs = int(body.get("epochs", 1)) if isinstance(body, dict) else 1
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batch_size = int(body.get("batch_size", 1)) if isinstance(body, dict) else 1
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@@ -292,7 +286,7 @@ def train():
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epochs = int(request.form.get("epochs", 1))
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batch_size = int(request.form.get("batch_size", 1))
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else:
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return jsonify({"error": "
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old_data = []
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if os.path.exists(DATASET_FILE):
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@@ -347,15 +341,15 @@ def train():
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trainer = Trainer(model=model, args=training_args, train_dataset=tokenized_dataset)
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def run_training():
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print("🔄
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trainer.train()
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trainer.save_model(SAVE_DIR)
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print("✅
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threading.Thread(target=run_training, daemon=True).start()
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return jsonify({
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"status": "
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"epochs": epochs,
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"batch_size": batch_size,
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"records": len(unique_data)
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@@ -365,13 +359,13 @@ def train():
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return jsonify({"error": str(e)})
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# ===============================
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-
# 8️⃣
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# ===============================
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@app.route("/", methods=["GET"])
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def home():
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return jsonify({
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"status": "
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"message": "
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"endpoints": ["/generate", "/train"]
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})
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# ===============================
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# 2️⃣ إعداد المتغيرات
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# ===============================
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MODEL_NAME = "Qwen/Qwen2.5-1.5B-Instruct" # موديل أكبر وأكثر دقة
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FLASK_PORT = 7860
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SAVE_DIR = "/tmp/lora_model"
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# 3️⃣ تحديد الجهاز
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# ===============================
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device = "cuda" if torch.cuda.is_available() else "cpu"
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print("🔹 الجهاز المستخدم:", device)
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# ===============================
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# 4️⃣ تحميل الموديل الأساسي
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# ===============================
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print("🔄 جاري تحميل الموديل الأساسي...")
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tokenizer = AutoTokenizer.from_pretrained(MODEL_NAME)
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try:
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model = AutoModelForCausalLM.from_pretrained(
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MODEL_NAME,
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+
device_map="auto" if device == "cuda" else {"": "cpu"},
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torch_dtype=torch.float16 if device == "cuda" else torch.float32,
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trust_remote_code=True
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)
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model.to(device)
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print("✅ تم تحميل الموديل الأساسي بنجاح.")
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except Exception as e:
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print("⚠️ فشل تحميل الموديل:", e)
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raise e
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# ===============================
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# ===============================
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lora_config = LoraConfig(
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task_type=TaskType.CAUSAL_LM,
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r=4,
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lora_alpha=16,
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lora_dropout=0.1,
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target_modules=["q_proj", "v_proj"]
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)
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model = get_peft_model(model, lora_config)
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model.to(device)
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print("✅ تم تفعيل LoRA على الموديل.")
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# ===============================
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# 6️⃣ تحميل أوزان LoRA إذا وجدت
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# ===============================
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if os.path.exists(SAVE_DIR):
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try:
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base_model = AutoModelForCausalLM.from_pretrained(
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MODEL_NAME,
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+
device_map="auto" if device == "cuda" else {"": "cpu"},
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torch_dtype=torch.float16 if device == "cuda" else torch.float32,
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trust_remote_code=True
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)
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model = PeftModel.from_pretrained(base_model, SAVE_DIR)
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model.to(device)
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print("✅ تم تحميل أوزان LoRA المحفوظة.")
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except Exception as e:
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print("⚠️ لم يتم تحميل أوزان LoRA:", e)
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else:
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print("ℹ️ لا يوجد أوزان محفوظة. سيتم استخدام الموديل الأساسي فقط.")
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# ===============================
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# 7️⃣ إعداد Flask API
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trainer = None
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current_dataset = None
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# قاعدة بيانات تجريبية للمستخدمين
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users_db = {
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"1": {"name": "أحمد السيد", "role": "طالب"},
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"2": {"name": "منى علي", "role": "محامية"},
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"3": {"name": "عمر حسن", "role": "عميل"}
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}
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# ===============================
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# 7a️⃣ توليد النصوص
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# ===============================
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@app.route("/generate", methods=["POST"])
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def generate():
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user_name = user_info["name"] if user_info else "مستخدم"
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if not prompt:
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+
return jsonify({"messages": [{"role": "assistant", "content": "⚠️ من فضلك أرسل سؤال أو استفسار صحيح."}]}), 400
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+
# في حالة عدم وجود بيانات تدريبية
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if current_dataset is None:
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base_prompt = (
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f"أنت مساعد قانوني اسمه ��ين.\n"
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f"مهمتك: الرد على الأسئلة القانونية بلغة عربية واضحة وبسيطة "
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f"مع الحفاظ على الدقة القانونية.\n\n"
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f"السؤال:\n{prompt}\n\nالإجابة:"
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)
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outputs = model.generate(
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**inputs,
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+
max_new_tokens=300,
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+
temperature=0.6,
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top_p=0.9,
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do_sample=True,
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pad_token_id=tokenizer.eos_token_id,
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return jsonify({
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"messages": [
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+
{"role": "assistant", "content": f"مرحباً {user_name}"},
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{"role": "assistant", "content": reply}
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],
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"meta": {"mode": "base"}
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})
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+
# في حالة وجود بيانات تدريبية
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candidates = []
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for item in current_dataset:
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text = item.get("text", "")
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elif role.startswith("assistant") or role.startswith("ai") or role.startswith("system"):
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a_lines.append(content.strip())
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if u_lines or a_lines:
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+
context_parts.append("المستخدم: " + " ".join(u_lines) + "\nالمساعد: " + " ".join(a_lines))
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context_text = "\n\n---\n\n".join(context_parts)
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instruction = (
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+
"التعليمات: استخدم الأمثلة التدريبية كمصدر مرجعي، "
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+
"لكن أجب بصياغة جديدة وبأسلوبك الخاص. "
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+
"حافظ على صحة المعلومات القانونية وتجنب النسخ الحرفي."
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)
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if context_text and focus_level > 0.0:
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else:
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final_prompt = f"{instruction}\n\nالسؤال:\n{prompt}\n\nالإجابة:"
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+
# توليد النص
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inputs = tokenizer(final_prompt, return_tensors="pt", truncation=True, max_length=1024)
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inputs = {k: v.to(model.device) for k, v in inputs.items()}
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input_len = inputs["input_ids"].shape[-1]
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outputs = model.generate(
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**inputs,
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+
max_new_tokens=300,
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temperature=0.6,
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top_p=0.9,
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do_sample=True,
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return jsonify({
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"messages": [
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+
{"role": "assistant", "content": f"مرحباً {user_name}"},
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{"role": "assistant", "content": reply}
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],
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"meta": {
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})
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except Exception as e:
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+
return jsonify({"messages": [{"role": "assistant", "content": f"خطأ: {str(e)}"}]})
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# ===============================
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+
# 7b️⃣ تحميل البيانات
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# ===============================
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def load_dataset():
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global current_dataset
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|
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elif "text" in item:
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formatted.append({"text": item["text"]})
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current_dataset = Dataset.from_list(formatted)
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+
print(f"✅ تم تحميل {len(formatted)} سجل من قاعدة البيانات.")
|
| 253 |
else:
|
| 254 |
current_dataset = None
|
| 255 |
else:
|
|
|
|
| 258 |
load_dataset()
|
| 259 |
|
| 260 |
# ===============================
|
| 261 |
+
# 7c️⃣ تدريب الموديل (LoRA)
|
| 262 |
# ===============================
|
| 263 |
@app.route("/train", methods=["POST"])
|
| 264 |
def train():
|
|
|
|
| 275 |
elif isinstance(body, dict) and "data" in body:
|
| 276 |
data = body["data"]
|
| 277 |
else:
|
| 278 |
+
return jsonify({"error": "صيغة JSON غير صحيحة"}), 400
|
| 279 |
|
| 280 |
epochs = int(body.get("epochs", 1)) if isinstance(body, dict) else 1
|
| 281 |
batch_size = int(body.get("batch_size", 1)) if isinstance(body, dict) else 1
|
|
|
|
| 286 |
epochs = int(request.form.get("epochs", 1))
|
| 287 |
batch_size = int(request.form.get("batch_size", 1))
|
| 288 |
else:
|
| 289 |
+
return jsonify({"error": "لم يتم رفع ملف أو إرسال JSON"}), 400
|
| 290 |
|
| 291 |
old_data = []
|
| 292 |
if os.path.exists(DATASET_FILE):
|
|
|
|
| 341 |
trainer = Trainer(model=model, args=training_args, train_dataset=tokenized_dataset)
|
| 342 |
|
| 343 |
def run_training():
|
| 344 |
+
print("🔄 بدأ التدريب...")
|
| 345 |
trainer.train()
|
| 346 |
trainer.save_model(SAVE_DIR)
|
| 347 |
+
print("✅ انتهى التدريب وتم حفظ الموديل.")
|
| 348 |
|
| 349 |
threading.Thread(target=run_training, daemon=True).start()
|
| 350 |
|
| 351 |
return jsonify({
|
| 352 |
+
"status": "بدأ التدريب",
|
| 353 |
"epochs": epochs,
|
| 354 |
"batch_size": batch_size,
|
| 355 |
"records": len(unique_data)
|
|
|
|
| 359 |
return jsonify({"error": str(e)})
|
| 360 |
|
| 361 |
# ===============================
|
| 362 |
+
# 8️⃣ نقطة البداية
|
| 363 |
# ===============================
|
| 364 |
@app.route("/", methods=["GET"])
|
| 365 |
def home():
|
| 366 |
return jsonify({
|
| 367 |
+
"status": "جاهز",
|
| 368 |
+
"message": "واجهة برمجة التخرج تعمل الآن",
|
| 369 |
"endpoints": ["/generate", "/train"]
|
| 370 |
})
|
| 371 |
|