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Update app.py
#4
by root39058 - opened
app.py
CHANGED
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@@ -1,42 +1,51 @@
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import streamlit as st
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from datasets import load_dataset
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import numpy as np
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import torch
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from sentence_transformers import SentenceTransformer
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# ===================================================================
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# 1. НАСТРОЙКИ
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# ===================================================================
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MODEL_NAME = "BAAI/bge-large-en-v1.5"
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DATASET_NAME = "wikimedia/wikipedia"
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LANGUAGE = "20231101.en"
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ARTICLE_LIMIT = 1000
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st.set_page_config(
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page_title="Wikipedia Assistant",
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page_icon="🌖",
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layout="wide"
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)
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# ===================================================================
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# 2. ЗАГРУЗКА ДА
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# ===================================================================
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@st.cache_resource
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def load_wikipedia():
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"""Загружает датасет Википедии"""
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with st.spinner("📚 Загружаю Википедию..."):
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dataset = load_dataset(
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DATASET_NAME,
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LANGUAGE,
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split="train",
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streaming=True
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)
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articles = []
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for i, row in enumerate(dataset):
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if i >= ARTICLE_LIMIT:
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@@ -47,7 +56,6 @@ def load_wikipedia():
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"text": row.get("text", "")[:3000],
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"url": row.get("url", "")
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})
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return articles
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@st.cache_resource
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@@ -56,70 +64,215 @@ def load_embedder():
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with st.spinner("🧠 Загружаю модель..."):
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return SentenceTransformer(MODEL_NAME)
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# ===================================================================
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# 3. ПОИСК
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# ===================================================================
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def search_wikipedia(query
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"""Ищет ответ на вопрос в Википедии"""
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)[0]
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# Кодируем все статьи (если ещё не закодированы)
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if "embeddings" not in st.session_state:
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with st.spinner("🔢 Создаю эмбеддинги статей..."):
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texts = [f"{a['title']}\n\n{a['text']}" for a in articles]
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embeddings = embedder.encode(
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texts,
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normalize_embeddings=True
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)
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st.session_state.embeddings = embeddings
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#
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top_indices = np.argsort(-scores)[:3]
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results = []
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for idx in top_indices:
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return results
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# ===================================================================
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# 4. ИНТЕРФЕЙС
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# ===================================================================
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#
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st.success(f"✅ Загружено {len(articles)} статей")
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# По
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query = st.text_input(
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with st.spinner("🔎 Ищу ответ..."):
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results = search_wikipedia(query
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import streamlit as st
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from datasets import load_dataset
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import numpy as np
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from sentence_transformers import SentenceTransformer
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import time
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from datetime import datetime
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import json
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import os
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import pandas as pd
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# ===================================================================
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# 1. НАСТРОЙКИ И ЗАГРУЗКА ДАННЫХ
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# ===================================================================
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MODEL_NAME = "BAAI/bge-large-en-v1.5"
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DATASET_NAME = "wikimedia/wikipedia"
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LANGUAGE = "20231101.en"
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ARTICLE_LIMIT = 1000
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ADMIN_USER = "admin"
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ADMIN_PASS = "hfpassword21"
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LOG_FILE = "query_logs.json"
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# Настройка страницы
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st.set_page_config(
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page_title="Wikipedia Assistant",
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page_icon="🌖",
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layout="wide",
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initial_sidebar_state="expanded"
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)
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# Загружаем логи
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if os.path.exists(LOG_FILE):
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with open(LOG_FILE, "r") as f:
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query_logs = json.load(f)
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else:
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query_logs = []
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# ===================================================================
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# 2. ЗАГРУЗКА ДАННЫХ (с кэшированием)
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# ===================================================================
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@st.cache_resource
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def load_wikipedia():
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"""Загружает датасет Википедии"""
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with st.spinner("📚 Загружаю Википедию..."):
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dataset = load_dataset(DATASET_NAME, LANGUAGE, split="train", streaming=True)
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articles = []
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for i, row in enumerate(dataset):
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if i >= ARTICLE_LIMIT:
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"text": row.get("text", "")[:3000],
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"url": row.get("url", "")
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})
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return articles
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@st.cache_resource
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with st.spinner("🧠 Загружаю модель..."):
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return SentenceTransformer(MODEL_NAME)
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@st.cache_resource
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def create_embeddings(articles, embedder):
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"""Создаёт эмбеддинги статей"""
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with st.spinner("🔢 Создаю эмбеддинги статей..."):
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texts = [f"{a['title']}\n\n{a['text']}" for a in articles]
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return embedder.encode(texts, normalize_embeddings=True)
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# Загружаем всё
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articles = load_wikipedia()
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embedder = load_embedder()
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embeddings = create_embeddings(articles, embedder)
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# ===================================================================
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# 3. ФУНКЦИИ ПОИСКА И ЛОГИРОВАНИЯ
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# ===================================================================
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def search_wikipedia(query):
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"""Ищет ответ на вопрос в Википедии"""
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if not query:
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return None
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start_time = time.time()
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# Поиск
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query_vector = embedder.encode([query], normalize_embeddings=True)[0]
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scores = embeddings @ query_vector
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top_indices = np.argsort(-scores)[:3]
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results = []
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for idx in top_indices:
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score = float(scores[int(idx)])
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if score > 0.3:
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article = articles[int(idx)]
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results.append({
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"title": article['title'],
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"score": score,
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"text": article['text'][:1000],
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"url": article['url']
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})
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# Логируем запрос
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log_entry = {
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"timestamp": datetime.now().isoformat(),
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"query": query,
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"results_count": len(results),
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"response_time": round(time.time() - start_time, 2)
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}
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query_logs.append(log_entry)
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# Сохраняем логи
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with open(LOG_FILE, "w") as f:
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json.dump(query_logs[-100:], f)
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return results
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def get_admin_stats():
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"""Собирает статистику для админ-панели"""
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total_queries = len(query_logs)
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if total_queries > 0:
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avg_time = sum(q["response_time"] for q in query_logs) / total_queries
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popular_queries = sorted(query_logs, key=lambda x: x["results_count"], reverse=True)[:5]
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else:
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avg_time = 0
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popular_queries = []
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return {
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"total_queries": total_queries,
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"avg_time": avg_time,
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"popular_queries": popular_queries,
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"articles_count": len(articles),
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"model_name": MODEL_NAME
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}
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def clear_logs():
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"""Очищает логи"""
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global query_logs
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query_logs = []
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with open(LOG_FILE, "w") as f:
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json.dump(query_logs, f)
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return True
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# ===================================================================
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# 4. ИНТЕРФЕЙС
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# ===================================================================
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# --- БОКОВАЯ ПАНЕЛЬ (АДМИНКА) ---
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with st.sidebar:
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st.image("https://cdn-icons-png.flaticon.com/512/4248/4248455.png", width=80)
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st.title("👑 Админ-панель")
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# Вход
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if "logged_in" not in st.session_state:
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st.session_state.logged_in = False
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if not st.session_state.logged_in:
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with st.form("login_form"):
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username = st.text_input("👤 Логин", placeholder="admin")
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password = st.text_input("🔑 Пароль", type="password", placeholder="hfpassword21")
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submitted = st.form_submit_button("🔑 Войти")
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if submitted:
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if username == ADMIN_USER and password == ADMIN_PASS:
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st.session_state.logged_in = True
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st.success("✅ Доступ разрешён!")
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st.rerun()
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else:
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st.error("❌ Неверный логин или пароль")
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else:
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st.success("✅ Вы вошли как администратор")
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# Кнопка выхода
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if st.button("🚪 Выйти"):
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st.session_state.logged_in = False
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st.rerun()
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st.divider()
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# Статистика
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st.subheader("📊 Статистика")
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stats = get_admin_stats()
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col1, col2 = st.columns(2)
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with col1:
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st.metric("Всего запросов", stats["total_queries"])
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st.metric("Загружено статей", stats["articles_count"])
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with col2:
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st.metric("Ср. время ответа", f"{stats['avg_time']:.2f}с")
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st.metric("Модель", stats["model_name"].split("/")[-1])
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# Популярные запросы
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if stats["popular_queries"]:
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st.subheader("🔥 Топ-5 запросов")
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for i, q in enumerate(stats["popular_queries"], 1):
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st.write(f"{i}. **{q['query']}** (найдено: {q['results_count']})")
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st.divider()
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# Логи
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st.subheader("📋 Последние запросы")
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if query_logs:
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# Показываем последние 10 в виде таблицы
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df = pd.DataFrame(query_logs[-10:])
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df["timestamp"] = pd.to_datetime(df["timestamp"]).dt.strftime("%H:%M:%S")
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st.dataframe(
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df[["timestamp", "query", "results_count", "response_time"]],
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column_config={
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"timestamp": "Время",
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"query": "Запрос",
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"results_count": "Результатов",
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"response_time": "Время (с)"
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},
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use_container_width=True,
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hide_index=True
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)
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+
if st.button("🗑️ Очистить логи", type="secondary"):
|
| 224 |
+
clear_logs()
|
| 225 |
+
st.success("Логи очищены!")
|
| 226 |
+
st.rerun()
|
| 227 |
+
else:
|
| 228 |
+
st.info("📭 Логов пока нет")
|
| 229 |
+
|
| 230 |
+
# --- ОСНОВНАЯ ЧАСТЬ ---
|
| 231 |
+
st.title("🌖 Wikipedia Assistant")
|
| 232 |
+
st.markdown("Задай вопрос — я найду ответ в Википедии!")
|
| 233 |
|
| 234 |
+
# Информация о загрузке
|
| 235 |
st.success(f"✅ Загружено {len(articles)} статей")
|
| 236 |
|
| 237 |
+
# Поиск
|
| 238 |
+
query = st.text_input(
|
| 239 |
+
"🔍 Что хочешь узнать?",
|
| 240 |
+
placeholder="Например: Как измеряют расстояние до галактик?",
|
| 241 |
+
key="query_input"
|
| 242 |
+
)
|
| 243 |
+
|
| 244 |
+
col1, col2 = st.columns([1, 5])
|
| 245 |
+
with col1:
|
| 246 |
+
search_clicked = st.button("🔎 Найти", type="primary", use_container_width=True)
|
| 247 |
|
| 248 |
+
# Выполняем поиск
|
| 249 |
+
if query and (search_clicked or query != st.session_state.get("last_query", "")):
|
| 250 |
+
st.session_state.last_query = query
|
| 251 |
+
|
| 252 |
with st.spinner("🔎 Ищу ответ..."):
|
| 253 |
+
results = search_wikipedia(query)
|
| 254 |
|
| 255 |
+
if results:
|
| 256 |
+
for i, result in enumerate(results, 1):
|
| 257 |
+
with st.expander(f"#{i} {result['title']} (сходство: {result['score']:.2f})", expanded=i==1):
|
| 258 |
+
st.write(result['text'] + "...")
|
| 259 |
+
if result['url']:
|
| 260 |
+
st.link_button("🔗 Читать на Википедии", result['url'])
|
| 261 |
+
else:
|
| 262 |
+
st.warning("😕 Не нашёл подходящей статьи. Попробуй уточнить вопрос.")
|
| 263 |
|
| 264 |
+
elif not query:
|
| 265 |
+
st.info("💡 Напиши вопрос, и я найду ответ в Википедии")
|
| 266 |
+
|
| 267 |
+
# ===================================================================
|
| 268 |
+
# 5. ДОПОЛНИТЕЛЬНЫЕ ВОЗМОЖНОСТИ
|
| 269 |
+
# ===================================================================
|
| 270 |
+
|
| 271 |
+
# Подвал
|
| 272 |
+
st.divider()
|
| 273 |
+
st.caption("🌖 Wikipedia Assistant | Использует BAAI/bge-large-en-v1.5")
|
| 274 |
+
|
| 275 |
+
# Кнопка внизу для переключения темы
|
| 276 |
+
if st.button("🎨 Сменить тему"):
|
| 277 |
+
st.session_state.theme = "dark" if st.session_state.get("theme") != "dark" else "light"
|
| 278 |
+
st.rerun()
|