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app.py
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@@ -2,7 +2,7 @@ import gradio as gr
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from transformers import AutoModelForCausalLM, AutoTokenizer
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# Загружаем Mistral-7B
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model_name = "mistralai/Mistral-7B-Instruct-v0.
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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model = AutoModelForCausalLM.from_pretrained(model_name, device_map="auto")
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from transformers import AutoModelForCausalLM, AutoTokenizer
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# Загружаем Mistral-7B
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model_name = "mistralai/Mistral-7B-Instruct-v0.3"
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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model = AutoModelForCausalLM.from_pretrained(model_name, device_map="auto")
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train.py
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from peft import LoraConfig, get_peft_model, TaskType
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from transformers import AutoModelForCausalLM, AutoTokenizer, TrainingArguments, Trainer
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import torch
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# Загружаем модель и токенайзер
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model_name = "mistralai/Mistral-7B-Instruct-v0.1"
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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model = AutoModelForCausalLM.from_pretrained(model_name, device_map="auto")
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# Настройки LoRA
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config = LoraConfig(
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task_type=TaskType.CAUSAL_LM,
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r=8, lora_alpha=16, lora_dropout=0.1,
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bias="none"
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)
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model = get_peft_model(model, config)
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# Загружаем данные (пример из data.json)
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train_data = [
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{"question": "Что такое Canfly Inna?", "answer": "Canfly Inna — это FastAPI сервер с RAG."},
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{"question": "Как работает FAISS?", "answer": "FAISS — это быстрый поиск ближайших соседей."}
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]
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# Преобразуем в формат для обучения
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train_texts = [f"Q: {d['question']}\nA: {d['answer']}" for d in train_data]
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train_encodings = tokenizer(train_texts, padding=True, truncation=True, return_tensors="pt")
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# Настройки обучения
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training_args = TrainingArguments(
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output_dir="./mistral-lora",
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per_device_train_batch_size=1,
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num_train_epochs=3,
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save_steps=500,
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save_total_limit=2,
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logging_dir="./logs"
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)
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trainer = Trainer(
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model=model,
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args=training_args,
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train_dataset=train_encodings
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)
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# Запускаем обучение
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trainer.train()
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# Сохраняем веса
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model.save_pretrained("./mistral-lora")
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tokenizer.save_pretrained("./mistral-lora")
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