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Browse files- Dockerfile +11 -14
- requirements.txt +0 -1
- streamlit_app.py +161 -0
Dockerfile
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FROM python:3.
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WORKDIR /app
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# === НОВЫЙ БЛОК: Загрузка моделей при сборке ===
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# Загрузка модели и токенизатора transformers
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RUN python -c "import spacy; spacy.cli.download('ru_core_news_lg')"
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RUN python -c "import nltk; nltk.download('punkt_tab', download_dir='/usr/local/share/nltk_data')"
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RUN python -c "import nltk; nltk.download('stopwords')"
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# --- НОВАЯ СТРОКА: Загрузка модели spaCy ---
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# Убедитесь, что `ru_core_news_lg` доступна в образе при сборке
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# Копируем остальные файлы и делаем новую загрузку
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COPY . .
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EXPOSE 8501
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HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
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ENTRYPOINT ["streamlit", "run", "
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FROM python:3.13.5-slim
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WORKDIR /app
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RUN apt-get update && apt-get install -y \
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build-essential \
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curl \
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git \
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&& rm -rf /var/lib/apt/lists/*
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COPY requirements.txt ./
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COPY src/ ./src/
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RUN pip3 install -r requirements.txt
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RUN python -c "import spacy; spacy.cli.download('ru_core_news_lg')"
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RUN python -c "import nltk; nltk.download('punkt_tab', download_dir='/usr/local/share/nltk_data')"
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RUN python -c "import nltk; nltk.download('stopwords')"
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EXPOSE 8501
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HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
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ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]
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requirements.txt
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streamlit
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openai
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pandas
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streamlit
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openai
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pandas
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streamlit_app.py
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import streamlit as st
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import pandas as pd
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import numpy as np
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from datasets import load_dataset, concatenate_datasets
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from sklearn.feature_extraction.text import TfidfVectorizer
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from sklearn.metrics.pairwise import cosine_similarity
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import torch
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from transformers import AutoTokenizer, AutoModelForQuestionAnswering
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import spacy
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import nltk
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from nltk.corpus import stopwords
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from nltk.tokenize import word_tokenize
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import re
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from bs4 import BeautifulSoup
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# === Загрузка и подготовка данных ===
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@st.cache_resource
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def load_data():
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# Загрузка датасета
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data = load_dataset('Romyx/ru_QA_school_history', split='train')
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df = pd.DataFrame(data)
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df['Pt_question'] = df['question'].apply(preprocess_text)
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df['Pt_answer'] = df['answer'].apply(preprocess_text)
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return df
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@st.cache_resource
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def load_model_and_tokenizer():
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# Загрузка предобученной модели вопрос-ответа (например, SberQuad)
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model_name = "AlexKay/xlm-roberta-large-qa-multilingual-finedtuned-ru" # замените на нужную модель, например, "bert-base-uncased"
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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model = AutoModelForQuestionAnswering.from_pretrained(model_name)
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return tokenizer, model
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@st.cache_resource
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def build_vectorizer(_df):
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combined_texts = _df['Pt_question'].tolist() + _df['Pt_answer'].tolist()
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vectorizer = TfidfVectorizer()
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tfidf_matrix = vectorizer.fit_transform(combined_texts)
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return vectorizer, tfidf_matrix
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# === Предобработка текста ===
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# Загрузка Spacy модели
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nlp = spacy.load('ru_core_news_lg')
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stop_words = set(stopwords.words('russian'))
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cache_dict = {}
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def get_norm_form(word):
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if word in cache_dict:
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return cache_dict[word]
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norm_form = nlp(word)[0].lemma_
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cache_dict[word] = norm_form
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return norm_form
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def remove_html_tags(text):
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soup = BeautifulSoup(text, 'html.parser')
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return soup.text
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def preprocess_text(text):
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if pd.isna(text) or text is None:
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return ""
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text = remove_html_tags(text)
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text = text.lower()
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# Обработка знаков препинания
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text = re.sub(r'([^\w\s-]|_)', r' \1 ', text)
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text = re.sub(r'\s+', ' ', text)
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text = re.sub(r'(\w+)-(\w+)', r'\1 \2', text)
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text = re.sub(r'(\d+)(г|кг|см|м|мм|л|мл)', r'\1 \2', text)
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# Удаление всего, кроме букв, цифр и пробелов
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text = re.sub(r'[^\w\s]', '', text)
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tokens = word_tokenize(text)
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tokens = [token for token in tokens if token not in stop_words]
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tokens = [get_norm_form(token) for token in tokens]
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words_to_remove = {"ответ", "new"}
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tokens = [token for token in tokens if token not in words_to_remove]
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return ' '.join(tokens)
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# === Основная функция получения ответа ===
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def get_answer_from_qa_model(user_question, df, vectorizer, tfidf_matrix, model, tokenizer):
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processed = preprocess_text(user_question)
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user_vec = vectorizer.transform([processed])
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similarities = cosine_similarity(user_vec, tfidf_matrix).flatten()
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# Проверка, что similarities не пустой
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if len(similarities) == 0:
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return "Тема не входит в программу этих классов."
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best_match_idx = similarities.argmax()
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best_score = similarities[best_match_idx]
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if best_score > 0.1:
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# Проверка, что индекс не выходит за границы
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if best_match_idx >= len(df):
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return "Тема не входит в программу этих классов."
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context = df.iloc[best_match_idx]['answer']
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question = user_question
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inputs = tokenizer(question, context, return_tensors="pt", truncation=True, padding=True)
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with torch.no_grad():
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outputs = model(**inputs)
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start_scores = outputs.start_logits
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end_scores = outputs.end_logits
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# Проверка на корректность размера логитов
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if len(start_scores.shape) == 2:
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start_idx = torch.argmax(start_scores, dim=1)[0].item()
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end_idx = torch.argmax(end_scores, dim=1)[0].item()
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else:
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start_idx = torch.argmax(start_scores).item()
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end_idx = torch.argmax(end_scores).item()
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# Проверка, что индексы не выходят за пределы
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seq_len = inputs['input_ids'].shape[1]
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if start_idx >= seq_len or end_idx >= seq_len or start_idx > end_idx:
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return "Ответ не найден."
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answer = tokenizer.decode(inputs['input_ids'][0][start_idx:end_idx+1], skip_special_tokens=True)
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else:
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answer = "Извините, я не понимаю вопрос."
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return answer
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# === Интерфейс Streamlit ===
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st.title("🤖 ИИ-ассистент по истории (на основе вопрос-ответа)")
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st.write("Задайте вопрос, и я постараюсь найти на него ответ из базы.")
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# Загрузка данных и модели
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df = load_data()
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tokenizer, model = load_model_and_tokenizer()
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vectorizer, tfidf_matrix = build_vectorizer(df)
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# Поле ввода вопроса
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user_input = st.text_input("Введите ваш вопрос:")
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if st.button("Получить ответ"):
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if user_input.strip():
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with st.spinner("Ищем ответ..."):
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response = get_answer_from_qa_model(
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user_input, df, vectorizer, tfidf_matrix, model, tokenizer
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)
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st.success("Ответ:")
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st.write(response)
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else:
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st.warning("Пожалуйста, введите вопрос.")
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