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"""
RAG ๊ฒ์ ์ฑ๋ด ์น ์ ํ๋ฆฌ์ผ์ด์
(์ฅ์น ๊ด๋ฆฌ ๊ธฐ๋ฅ ํตํฉ)
"""
import os
import logging
import threading
from datetime import datetime, timedelta
from flask import Flask, send_from_directory, jsonify
from dotenv import load_dotenv
from functools import wraps
from flask_cors import CORS
# ๋ก๊ฑฐ ์ค์
logging.basicConfig(
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
level=logging.DEBUG
)
logger = logging.getLogger(__name__)
# ํ๊ฒฝ ๋ณ์ ๋ก๋
load_dotenv()
# ํ๊ฒฝ ๋ณ์ ๋ก๋ ์ํ ํ์ธ ๋ฐ ๋ก๊น
ADMIN_USERNAME = os.getenv('ADMIN_USERNAME')
ADMIN_PASSWORD = os.getenv('ADMIN_PASSWORD')
DEVICE_SERVER_URL = os.getenv('DEVICE_SERVER_URL', 'http://localhost:5050')
logger.info(f"==== ํ๊ฒฝ ๋ณ์ ๋ก๋ ์ํ ====")
logger.info(f"ADMIN_USERNAME ์ค์ ์ฌ๋ถ: {ADMIN_USERNAME is not None}")
logger.info(f"ADMIN_PASSWORD ์ค์ ์ฌ๋ถ: {ADMIN_PASSWORD is not None}")
logger.info(f"DEVICE_SERVER_URL: {DEVICE_SERVER_URL}")
# ํ๊ฒฝ ๋ณ์๊ฐ ์์ผ๋ฉด ๊ธฐ๋ณธ๊ฐ ์ค์
if not ADMIN_USERNAME:
ADMIN_USERNAME = 'admin'
logger.warning("ADMIN_USERNAME ํ๊ฒฝ๋ณ์๊ฐ ์์ด ๊ธฐ๋ณธ๊ฐ 'admin'์ผ๋ก ์ค์ ํฉ๋๋ค.")
if not ADMIN_PASSWORD:
ADMIN_PASSWORD = 'rag12345'
logger.warning("ADMIN_PASSWORD ํ๊ฒฝ๋ณ์๊ฐ ์์ด ๊ธฐ๋ณธ๊ฐ 'rag12345'๋ก ์ค์ ํฉ๋๋ค.")
class MockComponent: pass
# --- ๋ก์ปฌ ๋ชจ๋ ์ํฌํธ ---
try:
from utils.vito_stt import VitoSTT
from utils.llm_interface import LLMInterface
from utils.document_processor import DocumentProcessor
from retrieval.vector_retriever import VectorRetriever
from retrieval.reranker import ReRanker
except ImportError as e:
logger.error(f"๋ก์ปฌ ๋ชจ๋ ์ํฌํธ ์คํจ: {e}. utils ๋ฐ retrieval ํจํค์ง๊ฐ ์ฌ๋ฐ๋ฅธ ๊ฒฝ๋ก์ ์๋์ง ํ์ธํ์ธ์.")
VitoSTT = LLMInterface = DocumentProcessor = VectorRetriever = ReRanker = MockComponent
# --- ๋ก์ปฌ ๋ชจ๋ ์ํฌํธ ๋ ---
# Flask ์ฑ ์ด๊ธฐํ
app = Flask(__name__)
# CORS ์ค์ - ๋ชจ๋ ๋๋ฉ์ธ์์์ ์์ฒญ ํ์ฉ
CORS(app, supports_credentials=True)
# ์ธ์
์ค์
app.secret_key = os.getenv('FLASK_SECRET_KEY', 'rag_chatbot_fixed_secret_key_12345')
# --- ์ธ์
์ฟ ํค ์ค์ ---
app.config['SESSION_COOKIE_SECURE'] = True
app.config['SESSION_COOKIE_HTTPONLY'] = True
app.config['SESSION_COOKIE_SAMESITE'] = 'None'
app.config['SESSION_COOKIE_DOMAIN'] = None
app.config['SESSION_COOKIE_PATH'] = '/'
app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(days=1)
# --- ์ธ์
์ฟ ํค ์ค์ ๋ ---
# ์ต๋ ํ์ผ ํฌ๊ธฐ ์ค์ (10MB)
app.config['MAX_CONTENT_LENGTH'] = 10 * 1024 * 1024
# ์ ํ๋ฆฌ์ผ์ด์
ํ์ผ ๊ธฐ์ค ์๋ ๊ฒฝ๋ก ์ค์
APP_ROOT = os.path.dirname(os.path.abspath(__file__))
app.config['UPLOAD_FOLDER'] = os.path.join(APP_ROOT, 'uploads')
app.config['DATA_FOLDER'] = os.path.join(APP_ROOT, '..', 'data')
app.config['INDEX_PATH'] = os.path.join(APP_ROOT, '..', 'data', 'index')
# ํ์ํ ํด๋ ์์ฑ
os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)
os.makedirs(app.config['DATA_FOLDER'], exist_ok=True)
os.makedirs(app.config['INDEX_PATH'], exist_ok=True)
# --- ์ ์ญ ๊ฐ์ฒด ์ด๊ธฐํ ---
try:
llm_interface = LLMInterface(default_llm="openai")
stt_client = VitoSTT()
except NameError:
logger.warning("LLM ๋๋ STT ์ธํฐํ์ด์ค ์ด๊ธฐํ ์คํจ. Mock ๊ฐ์ฒด๋ฅผ ์ฌ์ฉํฉ๋๋ค.")
llm_interface = MockComponent()
stt_client = MockComponent()
base_retriever = None
retriever = None
app_ready = False # ์ฑ ์ด๊ธฐํ ์ํ ํ๋๊ทธ
# --- ์ ์ญ ๊ฐ์ฒด ์ด๊ธฐํ ๋ ---
# --- ์ธ์ฆ ๋ฐ์ฝ๋ ์ดํฐ ---
def login_required(f):
@wraps(f)
def decorated_function(*args, **kwargs):
from flask import request, session, redirect, url_for
logger.info(f"----------- ์ธ์ฆ ํ์ ํ์ด์ง ์ ๊ทผ ์๋: {request.path} -----------")
logger.info(f"ํ์ฌ ํ๋ผ์คํฌ ์ธ์
๊ฐ์ฒด: {session}")
logger.info(f"ํ์ฌ ์ธ์
์ํ: logged_in={session.get('logged_in', False)}, username={session.get('username', 'None')}")
logger.info(f"์์ฒญ์ ์ธ์
์ฟ ํค ๊ฐ: {request.cookies.get('session', 'None')}")
# API ์์ฒญ์ด๊ณ ํด๋ผ์ด์ธํธ์์ ์ค๋ ๊ฒฝ์ฐ ์ธ์ฆ ๋ฌด์ (์์ ์กฐ์น)
if request.path.startswith('/api/device/'):
logger.info(f"์ฅ์น API ์์ฒญ: {request.path} - ์ธ์ฆ ์ ์ธ")
return f(*args, **kwargs)
# Flask ์ธ์
์ 'logged_in' ํค๊ฐ ์๋์ง ์ง์ ํ์ธ
if 'logged_in' not in session:
logger.warning(f"ํ๋ผ์คํฌ ์ธ์
์ 'logged_in' ์์. ๋ก๊ทธ์ธ ํ์ด์ง๋ก ๋ฆฌ๋๋ ์
.")
return redirect(url_for('login', next=request.url))
logger.info(f"์ธ์ฆ ์ฑ๊ณต: {session.get('username', 'unknown')} ์ฌ์ฉ์๊ฐ {request.path} ์ ๊ทผ")
return f(*args, **kwargs)
return decorated_function
# --- ์ธ์ฆ ๋ฐ์ฝ๋ ์ดํฐ ๋ ---
# --- ์ค๋ฅ ํธ๋ค๋ฌ ์ถ๊ฐ ---
@app.errorhandler(404)
def not_found(e):
# ํด๋ผ์ด์ธํธ๊ฐ JSON์ ๊ธฐ๋ํ๋ API ํธ์ถ์ธ ๊ฒฝ์ฐ JSON ์๋ต
if request.path.startswith('/api/'):
return jsonify({"success": False, "error": "์์ฒญํ API ์๋ํฌ์ธํธ๋ฅผ ์ฐพ์ ์ ์์ต๋๋ค."}), 404
# ์ผ๋ฐ ์น ํ์ด์ง ์์ฒญ์ธ ๊ฒฝ์ฐ HTML ์๋ต
return "ํ์ด์ง๋ฅผ ์ฐพ์ ์ ์์ต๋๋ค.", 404
@app.errorhandler(500)
def internal_error(e):
# ํด๋ผ์ด์ธํธ๊ฐ JSON์ ๊ธฐ๋ํ๋ API ํธ์ถ์ธ ๊ฒฝ์ฐ JSON ์๋ต
if request.path.startswith('/api/'):
return jsonify({"success": False, "error": "์๋ฒ ๋ด๋ถ ์ค๋ฅ๊ฐ ๋ฐ์ํ์ต๋๋ค."}), 500
# ์ผ๋ฐ ์น ํ์ด์ง ์์ฒญ์ธ ๊ฒฝ์ฐ HTML ์๋ต
return "์๋ฒ ์ค๋ฅ๊ฐ ๋ฐ์ํ์ต๋๋ค.", 500
# --- ์ค๋ฅ ํธ๋ค๋ฌ ๋ ---
# --- ์ ์ ํ์ผ ์๋น ---
@app.route('/static/<path:path>')
def send_static(path):
return send_from_directory('static', path)
# --- ๋ฐฑ๊ทธ๋ผ์ด๋ ์ด๊ธฐํ ํจ์ ---
def background_init():
"""๋ฐฑ๊ทธ๋ผ์ด๋์์ ๊ฒ์๊ธฐ ์ด๊ธฐํ ์ํ"""
global app_ready, retriever, base_retriever
# ์ฆ์ ์ฑ ์ฌ์ฉ ๊ฐ๋ฅ ์ํ๋ก ์ค์
app_ready = True
logger.info("์ฑ์ ์ฆ์ ์ฌ์ฉ ๊ฐ๋ฅ ์ํ๋ก ์ค์ (app_ready=True)")
try:
from app.init_retriever import init_retriever
# ๊ธฐ๋ณธ ๊ฒ์๊ธฐ ์ด๊ธฐํ (๋ณดํ)
if base_retriever is None:
base_retriever = MockComponent()
if hasattr(base_retriever, 'documents'):
base_retriever.documents = []
# ์์ retriever ์ค์
if retriever is None:
retriever = MockComponent()
if not hasattr(retriever, 'search'):
retriever.search = lambda query, **kwargs: []
# ์๋ฒ ๋ฉ ์บ์ ํ์ผ ๊ฒฝ๋ก
cache_path = os.path.join(app.config['INDEX_PATH'], "cached_embeddings.gz")
# ์บ์๋ ์๋ฒ ๋ฉ ๋ก๋ ์๋
try:
from app.init_retriever import load_embeddings
cached_retriever = load_embeddings(cache_path)
if cached_retriever:
# ์บ์๋ ๋ฐ์ดํฐ๊ฐ ์์ผ๋ฉด ๋ฐ๋ก ์ฌ์ฉ
base_retriever = cached_retriever
# ์ฌ์์ํ ๊ฒ์๊ธฐ ์ด๊ธฐํ
retriever = ReRanker(
base_retriever=base_retriever,
rerank_fn=lambda query, results: results,
rerank_field="text"
)
logger.info("์บ์๋ ์๋ฒ ๋ฉ์ผ๋ก ๊ฒ์๊ธฐ ์ด๊ธฐํ ์๋ฃ (๋น ๋ฅธ ์์)")
else:
# ์บ์๋ ๋ฐ์ดํฐ๊ฐ ์์ผ๋ฉด ์ ์ฒด ์ด๊ธฐํ ์งํ
logger.info("์บ์๋ ์๋ฒ ๋ฉ์ด ์์ด ์ ์ฒด ์ด๊ธฐํ ์์")
retriever = init_retriever(app, base_retriever, retriever, ReRanker)
logger.info("์ ์ฒด ์ด๊ธฐํ ์๋ฃ")
except ImportError:
logger.warning("์๋ฒ ๋ฉ ์บ์ ๋ชจ๋์ ์ฐพ์ ์ ์์ต๋๋ค. ์ ์ฒด ์ด๊ธฐํ๋ฅผ ์งํํฉ๋๋ค.")
retriever = init_retriever(app, base_retriever, retriever, ReRanker)
logger.info("์ฑ ์ด๊ธฐํ ์๋ฃ (๋ชจ๋ ์ปดํฌ๋ํธ ์ค๋น๋จ)")
except Exception as e:
logger.error(f"์ฑ ๋ฐฑ๊ทธ๋ผ์ด๋ ์ด๊ธฐํ ์ค ์ฌ๊ฐํ ์ค๋ฅ ๋ฐ์: {e}", exc_info=True)
# ์ด๊ธฐํ ์คํจ ์ ๊ธฐ๋ณธ ๊ฐ์ฒด ์์ฑ
if base_retriever is None:
base_retriever = MockComponent()
if hasattr(base_retriever, 'documents'):
base_retriever.documents = []
if retriever is None:
retriever = MockComponent()
if not hasattr(retriever, 'search'):
retriever.search = lambda query, **kwargs: []
logger.warning("์ด๊ธฐํ ์ค ์ค๋ฅ๊ฐ ์์ง๋ง ์ฑ์ ๊ณ์ ์ฌ์ฉ ๊ฐ๋ฅํฉ๋๋ค.")
# --- ๋ผ์ฐํธ ๋ฑ๋ก ---
def register_all_routes():
try:
# ๊ธฐ๋ณธ ๋ผ์ฐํธ ๋ฑ๋ก
from app.app_routes import register_routes
register_routes(
app, login_required, llm_interface, retriever, stt_client,
DocumentProcessor, base_retriever, app_ready,
ADMIN_USERNAME, ADMIN_PASSWORD, DEVICE_SERVER_URL
)
# ์ฅ์น ๊ด๋ฆฌ ๋ผ์ฐํธ ๋ฑ๋ก
from app.app_device_routes import register_device_routes
register_device_routes(app, login_required, DEVICE_SERVER_URL)
logger.info("๋ชจ๋ ๋ผ์ฐํธ ๋ฑ๋ก ์๋ฃ")
except ImportError as e:
logger.error(f"๋ผ์ฐํธ ๋ชจ๋ ์ํฌํธ ์คํจ: {e}")
except Exception as e:
logger.error(f"๋ผ์ฐํธ ๋ฑ๋ก ์ค ์ค๋ฅ ๋ฐ์: {e}", exc_info=True)
# --- ์ฑ ์ด๊ธฐํ ๋ฐ ์คํ ---
def initialize_app():
# ๋ฐฑ๊ทธ๋ผ์ด๋ ์ด๊ธฐํ ์ค๋ ๋ ์์
init_thread = threading.Thread(target=background_init)
init_thread.daemon = True
init_thread.start()
# ๋ผ์ฐํธ ๋ฑ๋ก
register_all_routes()
logger.info("์ฑ ์ด๊ธฐํ ์๋ฃ")
# ์ฑ ์ด๊ธฐํ ์คํ
initialize_app()
# --- ์ฑ ์คํ (์ง์ ์คํ ์) ---
if __name__ == '__main__':
logger.info("Flask ์ฑ์ ์ง์ ์คํํฉ๋๋ค (๊ฐ๋ฐ์ฉ ์๋ฒ).")
port = int(os.environ.get("PORT", 7860))
logger.info(f"์๋ฒ๋ฅผ http://0.0.0.0:{port} ์์ ์์ํฉ๋๋ค.")
app.run(debug=True, host='0.0.0.0', port=port)
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