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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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#
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# Загрузка модели и
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tokenizer =
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model =
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#
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def
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iface.launch()
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from transformers import BertForSequenceClassification, BertTokenizerFast, Trainer, TrainingArguments
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from datasets import load_dataset
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import torch
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import pandas as pd
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import numpy as np
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import gradio as gr
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# ❗ Загрузка датасета ZhenDOS/alpha_bank_data
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dataset = load_dataset("ZhenDOS/alpha_bank_data")
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# ✔️ Загрузка базовой модели и токенайзера
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tokenizer = BertTokenizerFast.from_pretrained("DeepPavlov/rubert-base-cased")
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model = BertForSequenceClassification.from_pretrained("DeepPavlov/rubert-base-cased", num_labels=len(dataset["train"].features["label"].names))
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# ➕ Токенизация входных данных
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def tokenize_function(examples):
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return tokenizer(examples["text"], padding="max_length", truncation=True)
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tokenized_datasets = dataset.map(tokenize_function, batched=True)
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# 🏃♂️ Настройки обучения
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training_args = TrainingArguments(
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output_dir="./results",
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evaluation_strategy="epoch",
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learning_rate=2e-5,
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per_device_train_batch_size=16,
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per_device_eval_batch_size=64,
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num_train_epochs=3,
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weight_decay=0.01,
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)
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# 💨 Процесс обучения
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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=tokenized_datasets["train"],
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eval_dataset=tokenized_datasets["validation"],
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)
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trainer.train()
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# 📊 Функционал для демонстрации через Gradio
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def classify_question(question):
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tokens = tokenizer(question, return_tensors="pt")
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outputs = model(**tokens)
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probabilities = torch.nn.functional.softmax(outputs.logits, dim=-1)
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pred_label_idx = torch.argmax(probabilities, dim=1).item()
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categories = dataset["train"].features["label"].names
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return {
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"Вероятности классов": dict(zip(categories, probabilities.detach().numpy()[0])),
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"Прогнозируемый класс": categories[pred_label_idx],
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}
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# 🖥️ Графический интерфейс Gradio
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demo = gr.Interface(
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fn=classify_question,
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inputs="text",
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outputs=[
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gr.Label(label="Категории"),
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gr.Textbox(label="Прогнозируемый класс"),
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],
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examples=[
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["Как перевести деньги между картами?"],
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["Что такое кредитная история?"],
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["Почему моя карта заблокирована?"],
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],
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title="Классификация клиентских запросов банка",
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description="Приложение помогает определить категорию клиентского запроса и оценить вероятность принадлежности каждого класса.",
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)
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demo.launch()
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