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"""
RAG κ²μ μ±λ΄ μΉ μ ν리μΌμ΄μ
- API λΌμ°νΈ μ μ (TypeError μ¬μμ )
"""
import os
import json
import logging
import tempfile
import requests
import time # μ± μμ μκ° κΈ°λ‘ μν΄ μΆκ°
import threading # threading.Event μ¬μ© μν΄ μΆκ°
from flask import request, jsonify, render_template, send_from_directory, session, redirect, url_for
from datetime import datetime
from werkzeug.utils import secure_filename
# λ‘κ±° κ°μ Έμ€κΈ°
logger = logging.getLogger(__name__)
# μ± μμ μκ° κΈ°λ‘ (λͺ¨λ λ‘λ μμ )
APP_START_TIME = time.time()
# !! μ€μ: ν¨μ μ μμμ app_ready_flag λμ app_ready_eventλ₯Ό λ°λλ‘ μμ !!
def register_routes(app, login_required, llm_interface, retriever, stt_client, DocumentProcessor, base_retriever, app_ready_event, ADMIN_USERNAME, ADMIN_PASSWORD, DEVICE_SERVER_URL):
"""Flask μ ν리μΌμ΄μ
μ κΈ°λ³Έ λΌμ°νΈ λ±λ‘"""
# ν¬νΌ ν¨μ (λ³κ²½ μμ)
def allowed_audio_file(filename):
"""νμΌμ΄ νμ©λ μ€λμ€ νμ₯μλ₯Ό κ°μ§λμ§ νμΈ"""
ALLOWED_AUDIO_EXTENSIONS = {'mp3', 'wav', 'ogg', 'm4a'}
return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_AUDIO_EXTENSIONS
def allowed_doc_file(filename):
"""νμΌμ΄ νμ©λ λ¬Έμ νμ₯μλ₯Ό κ°μ§λμ§ νμΈ"""
ALLOWED_DOC_EXTENSIONS = {'txt', 'md', 'pdf', 'docx', 'csv'}
return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_DOC_EXTENSIONS
# --- λ‘κ·ΈμΈ/λ‘κ·Έμμ λΌμ°νΈ ---
@app.route('/login', methods=['GET', 'POST'])
def login():
error = None
next_url = request.args.get('next')
logger.info(f"-------------- λ‘κ·ΈμΈ νμ΄μ§ μ μ (Next: {next_url}) --------------")
logger.info(f"Method: {request.method}")
if request.method == 'POST':
logger.info("λ‘κ·ΈμΈ μλ λ°μ")
username = request.form.get('username', '')
password = request.form.get('password', '')
logger.info(f"μ
λ ₯λ μ¬μ©μλͺ
: {username}")
valid_username = ADMIN_USERNAME
valid_password = ADMIN_PASSWORD
logger.info(f"κ²μ¦μ© μ¬μ©μλͺ
: {valid_username}")
if username == valid_username and password == valid_password:
logger.info(f"λ‘κ·ΈμΈ μ±κ³΅: {username}")
session.permanent = True
session['logged_in'] = True
session['username'] = username
logger.info(f"μΈμ
μ€μ μλ£: {session}")
redirect_to = next_url or url_for('index')
logger.info(f"리λλ μ
λμ: {redirect_to}")
response = redirect(redirect_to)
logger.debug(f"λ‘κ·ΈμΈ μλ΅ ν€λ (Set-Cookie νμΈ): {response.headers.getlist('Set-Cookie')}")
return response
else:
logger.warning("λ‘κ·ΈμΈ μ€ν¨: μμ΄λ λλ λΉλ°λ²νΈ λΆμΌμΉ")
error = 'μμ΄λ λλ λΉλ°λ²νΈκ° μ¬λ°λ₯΄μ§ μμ΅λλ€.'
else: # GET μμ²
logger.info("λ‘κ·ΈμΈ νμ΄μ§ GET μμ²")
if session.get('logged_in'):
logger.info("μ΄λ―Έ λ‘κ·ΈμΈλ μ¬μ©μ, λ©μΈ νμ΄μ§λ‘ 리λλ μ
")
return redirect(url_for('index'))
logger.info("---------- λ‘κ·ΈμΈ νμ΄μ§ λ λλ§ ----------")
return render_template('login.html', error=error, next=next_url)
@app.route('/logout')
def logout():
"""λ‘κ·Έμμ μ²λ¦¬"""
username = session.get('username', 'unknown')
if session.pop('logged_in', None):
session.pop('username', None)
logger.info(f"μ¬μ©μ {username} λ‘κ·Έμμ μ²λ¦¬ μλ£. νμ¬ μΈμ
: {session}")
else:
logger.warning("λ‘κ·ΈμΈλμ§ μμ μνμμ λ‘κ·Έμμ μλ")
logger.info("λ‘κ·ΈμΈ νμ΄μ§λ‘ 리λλ μ
")
response = redirect(url_for('login'))
logger.debug(f"λ‘κ·Έμμ μλ΅ ν€λ (Set-Cookie νμΈ): {response.headers.getlist('Set-Cookie')}")
return response
# --- λ©μΈ νμ΄μ§ λ° μν νμΈ (app_ready_event μ¬μ©) ---
@app.route('/')
@login_required
def index():
"""λ©μΈ νμ΄μ§"""
# app_ready_eventκ° Event κ°μ²΄μΈμ§ νμΈνκ³ μν κ°μ Έμ€κΈ°
is_ready = app_ready_event.is_set() if isinstance(app_ready_event, threading.Event) else False # κΈ°λ³Έκ° False
time_elapsed = time.time() - APP_START_TIME
if not is_ready:
logger.info(f"μ±μ΄ μμ§ μ€λΉλμ§ μμ λ‘λ© νμ΄μ§ νμ (κ²½κ³Ό μκ°: {time_elapsed:.1f}μ΄)")
# loading.html ν
νλ¦Ώμ΄ μλ€κ³ κ°μ
return render_template('loading.html') # 200 OKμ λ‘λ© νμ΄μ§
logger.info("λ©μΈ νμ΄μ§ μμ²")
# index.html ν
νλ¦Ώμ΄ μλ€κ³ κ°μ
return render_template('index.html')
@app.route('/api/status')
@login_required
def app_status():
"""μ± μ΄κΈ°ν μν νμΈ API"""
is_ready = app_ready_event.is_set() if isinstance(app_ready_event, threading.Event) else False
logger.info(f"μ± μν νμΈ μμ²: {'Ready' if is_ready else 'Not Ready'}")
return jsonify({"ready": is_ready})
# --- LLM API ---
@app.route('/api/llm', methods=['GET', 'POST'])
@login_required
def llm_api():
"""μ¬μ© κ°λ₯ν LLM λͺ©λ‘ λ° μ ν API"""
# is_ready = app_ready_event.is_set() if isinstance(app_ready_event, threading.Event) else False
# LLM λͺ©λ‘ μ‘°νλ μ΄κΈ°ν μ€μλ κ°λ₯νλλ‘ νμ©
if request.method == 'GET':
logger.info("LLM λͺ©λ‘ μμ²")
try:
# κ°μ²΄ λ° μμ± νμΈ κ°ν
if llm_interface is None or not hasattr(llm_interface, 'get_current_llm_details') or not hasattr(llm_interface, 'SUPPORTED_LLMS'):
logger.error("LLM μΈν°νμ΄μ€κ° μ€λΉλμ§ μμκ±°λ νμν μμ±μ΄ μμ΅λλ€.")
return jsonify({"error": "LLM μΈν°νμ΄μ€ μ€λ₯"}), 500
current_details = llm_interface.get_current_llm_details()
supported_llms_dict = llm_interface.SUPPORTED_LLMS
supported_list = [{
"name": name, "id": id, "current": id == current_details.get("id")
} for name, id in supported_llms_dict.items()]
return jsonify({
"supported_llms": supported_list,
"current_llm": current_details
})
except Exception as e:
logger.error(f"LLM μ 보 μ‘°ν μ€λ₯: {e}", exc_info=True)
return jsonify({"error": "LLM μ 보 μ‘°ν μ€ μ€λ₯ λ°μ"}), 500
elif request.method == 'POST':
is_ready = app_ready_event.is_set() if isinstance(app_ready_event, threading.Event) else False
if not is_ready: # LLM λ³κ²½μ μ± μ€λΉ μλ£ ν κ°λ₯
return jsonify({"error": "μ±μ΄ μμ§ μ΄κΈ°ν μ€μ
λλ€. μ μ ν λ€μ μλν΄μ£ΌμΈμ."}), 503
data = request.get_json()
if not data or 'llm_id' not in data:
return jsonify({"error": "LLM IDκ° μ 곡λμ§ μμμ΅λλ€."}), 400
llm_id = data['llm_id']
logger.info(f"LLM λ³κ²½ μμ²: {llm_id}")
try:
# κ°μ²΄ λ° μμ±/λ©μλ νμΈ κ°ν
if llm_interface is None or not hasattr(llm_interface, 'set_llm') or not hasattr(llm_interface, 'llm_clients') or not hasattr(llm_interface, 'get_current_llm_details'):
logger.error("LLM μΈν°νμ΄μ€κ° μ€λΉλμ§ μμκ±°λ νμν μμ±/λ©μλκ° μμ΅λλ€.")
return jsonify({"error": "LLM μΈν°νμ΄μ€ μ€λ₯"}), 500
if llm_id not in llm_interface.llm_clients:
return jsonify({"error": f"μ§μλμ§ μλ LLM ID: {llm_id}"}), 400
success = llm_interface.set_llm(llm_id)
if success:
new_details = llm_interface.get_current_llm_details()
logger.info(f"LLMμ΄ '{new_details.get('name', llm_id)}'λ‘ λ³κ²½λμμ΅λλ€.")
return jsonify({
"success": True,
"message": f"LLMμ΄ '{new_details.get('name', llm_id)}'λ‘ λ³κ²½λμμ΅λλ€.",
"current_llm": new_details
})
else:
logger.error(f"LLM λ³κ²½ μ€ν¨ (ID: {llm_id})")
return jsonify({"error": "LLM λ³κ²½ μ€ λ΄λΆ μ€λ₯ λ°μ"}), 500
except Exception as e:
logger.error(f"LLM λ³κ²½ μ²λ¦¬ μ€ μ€λ₯: {e}", exc_info=True)
return jsonify({"error": f"LLM λ³κ²½ μ€ μ€λ₯ λ°μ: {str(e)}"}), 500
# --- Chat API ---
@app.route('/api/chat', methods=['POST'])
@login_required
def chat():
"""ν
μ€νΈ κΈ°λ° μ±λ΄ API"""
try:
# μ±μ΄ μ€λΉλμλμ§ νμΈ
is_ready = app_ready_event.is_set() if isinstance(app_ready_event, threading.Event) else False
if not is_ready:
logger.warning("μ±μ΄ μμ§ μ΄κΈ°ν μ€μ
λλ€.")
return jsonify({
"error": "μ± μ΄κΈ°ν μ€...",
"answer": "μ£μ‘ν©λλ€. μμ€ν
μ΄ μμ§ μ€λΉ μ€μ
λλ€.",
"sources": []
}), 503
data = request.get_json()
if not data or 'query' not in data:
return jsonify({"error": "μΏΌλ¦¬κ° μ 곡λμ§ μμμ΅λλ€."}), 400
query = data['query']
logger.info(f"ν
μ€νΈ 쿼리 μμ : {query[:100]}...")
# κ²μ μμ§ μ²λ¦¬ λΆλΆ μμ
search_results = []
search_warning = None
try:
# retriever μν κ²μ¦
if retriever is None:
logger.warning("Retrieverκ° μ΄κΈ°νλμ§ μμμ΅λλ€.")
search_warning = "κ²μ κΈ°λ₯μ΄ μμ§ μ€λΉλμ§ μμμ΅λλ€."
elif hasattr(retriever, 'is_mock') and retriever.is_mock:
logger.info("Mock Retriever μ¬μ© μ€ - κ²μ κ²°κ³Ό μμ.")
search_warning = "κ²μ μΈλ±μ€κ° μμ§ κ΅¬μΆ μ€μ
λλ€. κΈ°λ³Έ μλ΅λ§ μ 곡λ©λλ€."
elif not hasattr(retriever, 'search'):
logger.warning("Retrieverμ search λ©μλκ° μμ΅λλ€.")
search_warning = "κ²μ κΈ°λ₯μ΄ νμ¬ μ νλμ΄ μμ΅λλ€."
else:
logger.info(f"κ²μ μν: {query[:50]}...")
search_results = retriever.search(query, top_k=5, first_stage_k=6)
if not search_results:
logger.info("κ²μ κ²°κ³Όκ° μμ΅λλ€.")
else:
logger.info(f"κ²μ κ²°κ³Ό: {len(search_results)}κ° νλͺ©")
except Exception as e:
logger.error(f"κ²μ μ€ μ€λ₯ λ°μ: {str(e)}", exc_info=True)
search_results = []
search_warning = f"κ²μ μ€ μ€λ₯ λ°μ: {str(e)}"
# LLM μλ΅ μμ±
try:
# DocumentProcessor κ°μ²΄ λ° λ©μλ νμΈ
context = ""
if search_results:
if DocumentProcessor is None or not hasattr(DocumentProcessor, 'prepare_rag_context'):
logger.warning("DocumentProcessorκ° μ€λΉλμ§ μμκ±°λ prepare_rag_context λ©μλκ° μμ΅λλ€.")
else:
context = DocumentProcessor.prepare_rag_context(search_results, field="text")
logger.info(f"컨ν
μ€νΈ μ€λΉ μλ£ (κΈΈμ΄: {len(context) if context else 0}μ)")
# LLM μΈν°νμ΄μ€ κ°μ²΄ λ° λ©μλ νμΈ
llm_id = data.get('llm_id', None)
if not context:
if search_warning:
logger.info(f"컨ν
μ€νΈ μμ, κ²μ κ²½κ³ : {search_warning}")
answer = f"μ£μ‘ν©λλ€. μ§λ¬Έμ λν λ΅λ³μ μ°Ύμ μ μμ΅λλ€. ({search_warning})"
else:
logger.info("컨ν
μ€νΈ μμ΄ κΈ°λ³Έ μλ΅ μμ±")
answer = "μ£μ‘ν©λλ€. κ΄λ ¨ μ 보λ₯Ό μ°Ύμ μ μμ΅λλ€."
else:
if llm_interface is None or not hasattr(llm_interface, 'rag_generate'):
logger.error("LLM μΈν°νμ΄μ€κ° μ€λΉλμ§ μμκ±°λ rag_generate λ©μλκ° μμ΅λλ€.")
answer = "μ£μ‘ν©λλ€. νμ¬ LLM μλΉμ€λ₯Ό μ¬μ©ν μ μμ΅λλ€."
else:
# LLM νΈμΆ μ μ κ²½κ³ λ©μμ§ μΆκ°
if search_warning:
modified_query = f"{query}\n\nμ°Έκ³ : {search_warning}"
logger.info(f"κ²½κ³ λ©μμ§μ ν¨κ» 쿼리 μμ±: {modified_query[:100]}...")
else:
modified_query = query
answer = llm_interface.rag_generate(modified_query, context, llm_id=llm_id)
logger.info(f"LLM μλ΅ μμ± μλ£ (κΈΈμ΄: {len(answer)})")
# μμ€ μ 보 μΆμΆ
sources = []
if search_results:
for result in search_results:
if not isinstance(result, dict):
logger.warning(f"μμμΉ λͺ»ν κ²μ κ²°κ³Ό νμ: {type(result)}")
continue
source_info = {}
source_key = result.get("source")
if not source_key and "metadata" in result and isinstance(result["metadata"], dict):
source_key = result["metadata"].get("source")
if source_key:
source_info["name"] = os.path.basename(source_key)
source_info["path"] = source_key
else:
source_info["name"] = "μ μ μλ μμ€"
if "score" in result:
source_info["score"] = result["score"]
if "rerank_score" in result:
source_info["rerank_score"] = result["rerank_score"]
sources.append(source_info)
return jsonify({
"answer": answer,
"sources": sources,
"search_warning": search_warning
})
except Exception as e:
logger.error(f"LLM μλ΅ μμ± μ€ μ€λ₯ λ°μ: {str(e)}", exc_info=True)
return jsonify({
"answer": f"μ£μ‘ν©λλ€. μλ΅ μμ± μ€ μ€λ₯κ° λ°μνμ΅λλ€: {str(e)}",
"sources": [],
"error": str(e)
})
except Exception as e:
logger.error(f"μ±ν
APIμμ μμμΉ λͺ»ν μ€λ₯ λ°μ: {str(e)}", exc_info=True)
return jsonify({
"error": f"μμμΉ λͺ»ν μ€λ₯ λ°μ: {str(e)}",
"answer": "μ£μ‘ν©λλ€. μλ²μμ μ€λ₯κ° λ°μνμ΅λλ€.",
"sources": []
}), 500
# --- Voice Chat API ---
@app.route('/api/voice', methods=['POST'])
@login_required
def voice_chat():
"""μμ± μ± API μλν¬μΈνΈ"""
try:
# μ±μ΄ μ€λΉλμλμ§ νμΈ
is_ready = app_ready_event.is_set() if isinstance(app_ready_event, threading.Event) else False
if not is_ready:
logger.warning("μ±μ΄ μμ§ μ΄κΈ°ν μ€μ
λλ€.")
return jsonify({"error": "μ± μ΄κΈ°ν μ€...", "answer": "μ£μ‘ν©λλ€. μμ€ν
μ΄ μμ§ μ€λΉ μ€μ
λλ€."}), 503
# STT ν΄λΌμ΄μΈνΈ νμΈ
if stt_client is None or not hasattr(stt_client, 'transcribe_audio'):
logger.error("μμ± API μμ² μ STT ν΄λΌμ΄μΈνΈκ° μ€λΉλμ§ μμ")
return jsonify({"error": "μμ± μΈμ μλΉμ€ μ€λΉ μλ¨"}), 503
logger.info("μμ± μ± μμ² μμ ")
if 'audio' not in request.files:
logger.error("μ€λμ€ νμΌμ΄ μ 곡λμ§ μμ")
return jsonify({"error": "μ€λμ€ νμΌμ΄ μ 곡λμ§ μμμ΅λλ€."}), 400
audio_file = request.files['audio']
logger.info(f"μμ λ μ€λμ€ νμΌ: {audio_file.filename} ({audio_file.content_type})")
try:
# μ€λμ€ νμΌ μμ μ μ₯ λ° μ²λ¦¬
with tempfile.NamedTemporaryFile(delete=True, suffix=os.path.splitext(audio_file.filename)[1]) as temp_audio:
audio_file.save(temp_audio.name)
logger.info(f"μ€λμ€ νμΌμ μμ μ μ₯: {temp_audio.name}")
# STT μν (λ°μ΄νΈ μ λ¬ κ°μ )
with open(temp_audio.name, 'rb') as f_bytes:
audio_bytes = f_bytes.read()
stt_result = stt_client.transcribe_audio(audio_bytes, language="ko")
# STT κ²°κ³Ό μ²λ¦¬
if not isinstance(stt_result, dict) or not stt_result.get("success"):
error_msg = stt_result.get("error", "μ μ μλ STT μ€λ₯") if isinstance(stt_result, dict) else "STT κ²°κ³Ό νμ μ€λ₯"
logger.error(f"μμ±μΈμ μ€ν¨: {error_msg}")
return jsonify({"error": "μμ±μΈμ μ€ν¨", "details": error_msg}), 500
transcription = stt_result.get("text", "")
if not transcription:
logger.warning("μμ±μΈμ κ²°κ³Όκ° λΉμ΄μμ΅λλ€.")
return jsonify({
"transcription": "",
"answer": "μμ±μμ ν
μ€νΈλ₯Ό μΈμνμ§ λͺ»νμ΅λλ€.",
"sources": []
}), 200 # 200 OKμ λ©μμ§
logger.info(f"μμ±μΈμ μ±κ³΅: {transcription[:50]}...")
# --- RAG λ° LLM νΈμΆ (Chat APIμ λμΌ λ‘μ§) ---
# κ²μ μμ§ μ²λ¦¬ λΆλΆ
search_results = []
search_warning = None
try:
# retriever μν κ²μ¦
if retriever is None:
logger.warning("Retrieverκ° μ΄κΈ°νλμ§ μμμ΅λλ€.")
search_warning = "κ²μ κΈ°λ₯μ΄ μμ§ μ€λΉλμ§ μμμ΅λλ€."
elif hasattr(retriever, 'is_mock') and retriever.is_mock:
logger.info("Mock Retriever μ¬μ© μ€ - κ²μ κ²°κ³Ό μμ.")
search_warning = "κ²μ μΈλ±μ€κ° μμ§ κ΅¬μΆ μ€μ
λλ€. κΈ°λ³Έ μλ΅λ§ μ 곡λ©λλ€."
elif not hasattr(retriever, 'search'):
logger.warning("Retrieverμ search λ©μλκ° μμ΅λλ€.")
search_warning = "κ²μ κΈ°λ₯μ΄ νμ¬ μ νλμ΄ μμ΅λλ€."
else:
logger.info(f"κ²μ μν: {transcription[:50]}...")
search_results = retriever.search(transcription, top_k=5, first_stage_k=6)
if not search_results:
logger.info("κ²μ κ²°κ³Όκ° μμ΅λλ€.")
else:
logger.info(f"κ²μ κ²°κ³Ό: {len(search_results)}κ° νλͺ©")
except Exception as e:
logger.error(f"κ²μ μ€ μ€λ₯ λ°μ: {str(e)}", exc_info=True)
search_results = []
search_warning = f"κ²μ μ€ μ€λ₯ λ°μ: {str(e)}"
# LLM μλ΅ μμ±
context = ""
if search_results:
if DocumentProcessor is None or not hasattr(DocumentProcessor, 'prepare_rag_context'):
logger.warning("DocumentProcessorκ° μ€λΉλμ§ μμκ±°λ prepare_rag_context λ©μλκ° μμ΅λλ€.")
else:
context = DocumentProcessor.prepare_rag_context(search_results, field="text")
logger.info(f"컨ν
μ€νΈ μ€λΉ μλ£ (κΈΈμ΄: {len(context) if context else 0}μ)")
# LLM μΈν°νμ΄μ€ νΈμΆ
llm_id = request.form.get('llm_id', None) # form λ°μ΄ν°μμ llm_id κ°μ Έμ€κΈ°
if not context:
if search_warning:
logger.info(f"컨ν
μ€νΈ μμ, κ²μ κ²½κ³ : {search_warning}")
answer = f"μ£μ‘ν©λλ€. μ§λ¬Έμ λν λ΅λ³μ μ°Ύμ μ μμ΅λλ€. ({search_warning})"
else:
logger.info("컨ν
μ€νΈ μμ΄ κΈ°λ³Έ μλ΅ μμ±")
answer = "μ£μ‘ν©λλ€. κ΄λ ¨ μ 보λ₯Ό μ°Ύμ μ μμ΅λλ€."
else:
if llm_interface is None or not hasattr(llm_interface, 'rag_generate'):
logger.error("LLM μΈν°νμ΄μ€κ° μ€λΉλμ§ μμκ±°λ rag_generate λ©μλκ° μμ΅λλ€.")
answer = "μ£μ‘ν©λλ€. νμ¬ LLM μλΉμ€λ₯Ό μ¬μ©ν μ μμ΅λλ€."
else:
# LLM νΈμΆ μ μ κ²½κ³ λ©μμ§ μΆκ°
if search_warning:
modified_query = f"{transcription}\n\nμ°Έκ³ : {search_warning}"
logger.info(f"κ²½κ³ λ©μμ§μ ν¨κ» 쿼리 μμ±: {modified_query[:100]}...")
else:
modified_query = transcription
answer = llm_interface.rag_generate(modified_query, context, llm_id=llm_id)
logger.info(f"LLM μλ΅ μμ± μλ£ (κΈΈμ΄: {len(answer)})")
# μμ€ μ 보 μΆμΆ
sources = []
if search_results:
for result in search_results:
if not isinstance(result, dict):
logger.warning(f"μμμΉ λͺ»ν κ²μ κ²°κ³Ό νμ: {type(result)}")
continue
source_info = {}
source_key = result.get("source")
if not source_key and "metadata" in result and isinstance(result["metadata"], dict):
source_key = result["metadata"].get("source")
if source_key:
source_info["name"] = os.path.basename(source_key)
source_info["path"] = source_key
else:
source_info["name"] = "μ μ μλ μμ€"
if "score" in result:
source_info["score"] = result["score"]
if "rerank_score" in result:
source_info["rerank_score"] = result["rerank_score"]
sources.append(source_info)
# μ΅μ’
μλ΅
response_data = {
"transcription": transcription,
"answer": answer,
"sources": sources,
"search_warning": search_warning
}
# LLM μ 보 μΆκ° (μ΅μ
)
if hasattr(llm_interface, 'get_current_llm_details'):
response_data["llm"] = llm_interface.get_current_llm_details()
return jsonify(response_data)
except Exception as e:
logger.error(f"μμ± μ± μ²λ¦¬ μ€ μ€λ₯ λ°μ: {e}", exc_info=True)
return jsonify({
"error": "μμ± μ²λ¦¬ μ€ λ΄λΆ μ€λ₯ λ°μ",
"details": str(e),
"answer": "μ£μ‘ν©λλ€. μ€λμ€ μ²λ¦¬ μ€ μ€λ₯κ° λ°μνμ΅λλ€."
}), 500
except Exception as e:
logger.error(f"μμ± APIμμ μμμΉ λͺ»ν μ€λ₯ λ°μ: {str(e)}", exc_info=True)
return jsonify({
"error": f"μμμΉ λͺ»ν μ€λ₯ λ°μ: {str(e)}",
"answer": "μ£μ‘ν©λλ€. μλ²μμ μ€λ₯κ° λ°μνμ΅λλ€."
}), 500
# --- Document Upload API ---
@app.route('/api/upload', methods=['POST'])
@login_required
def upload_document():
"""μ§μλ² μ΄μ€ λ¬Έμ μ
λ‘λ API"""
is_ready = app_ready_event.is_set() if isinstance(app_ready_event, threading.Event) else False
if not is_ready:
return jsonify({"error": "μ± μ΄κΈ°ν μ€..."}), 503
# base_retriever κ°μ²΄ λ° νμ λ©μλ νμΈ
if base_retriever is None or not hasattr(base_retriever, 'add_documents') or not hasattr(base_retriever, 'save'):
logger.error("λ¬Έμ μ
λ‘λ API μμ² μ base_retrieverκ° μ€λΉλμ§ μμκ±°λ νμ λ©μλκ° μμ΅λλ€.")
return jsonify({"error": "κΈ°λ³Έ κ²μκΈ°κ° μ€λΉλμ§ μμμ΅λλ€."}), 503
if 'document' not in request.files:
return jsonify({"error": "λ¬Έμ νμΌμ΄ μ 곡λμ§ μμμ΅λλ€."}), 400
doc_file = request.files['document']
if not doc_file or not doc_file.filename:
return jsonify({"error": "μ νλ νμΌμ΄ μμ΅λλ€."}), 400
# ALLOWED_DOC_EXTENSIONSλ₯Ό ν¨μ λ΄μμ λ€μ μ μνκ±°λ μ μ μμλ‘ μ¬μ©
ALLOWED_DOC_EXTENSIONS = {'txt', 'md', 'pdf', 'docx', 'csv'}
if not allowed_doc_file(doc_file.filename):
logger.warning(f"νμ©λμ§ μλ νμΌ νμ: {doc_file.filename}")
return jsonify({"error": f"νμ©λμ§ μλ νμΌ νμμ
λλ€. νμ©: {', '.join(ALLOWED_DOC_EXTENSIONS)}"}), 400
try:
filename = secure_filename(doc_file.filename)
# app.config μ¬μ© νμΈ
if 'DATA_FOLDER' not in app.config:
logger.error("Flask app.configμ DATA_FOLDERκ° μ€μ λμ§ μμμ΅λλ€.")
return jsonify({"error": "μλ² μ€μ μ€λ₯ (DATA_FOLDER)"}), 500
data_folder = app.config['DATA_FOLDER']
os.makedirs(data_folder, exist_ok=True)
filepath = os.path.join(data_folder, filename)
doc_file.save(filepath)
logger.info(f"λ¬Έμ μ μ₯ μλ£: {filepath}")
# DocumentProcessor κ°μ²΄ λ° λ©μλ νμΈ
if DocumentProcessor is None or not hasattr(DocumentProcessor, 'csv_to_documents') or not hasattr(DocumentProcessor, 'text_to_documents'):
logger.error("DocumentProcessorκ° μ€λΉλμ§ μμκ±°λ νμν λ©μλκ° μμ΅λλ€.")
try: os.remove(filepath) # μ μ₯λ νμΌ μμ
except OSError: pass
return jsonify({"error": "λ¬Έμ μ²λ¦¬κΈ° μ€λ₯"}), 500
content = None
file_ext = filename.rsplit('.', 1)[1].lower()
metadata = {"source": filename, "filename": filename, "filetype": file_ext, "filepath": filepath}
docs = []
# νμΌ μ½κΈ° λ° λ΄μ© μΆμΆ
if file_ext in ['txt', 'md', 'csv']:
try:
with open(filepath, 'r', encoding='utf-8') as f:
content = f.read()
except UnicodeDecodeError:
logger.info(f"UTF-8 λμ½λ© μ€ν¨, CP949λ‘ μλ: {filename}")
try:
with open(filepath, 'r', encoding='cp949') as f:
content = f.read()
except Exception as e_cp949:
logger.error(f"CP949 λμ½λ© μ€ν¨ ({filename}): {e_cp949}")
return jsonify({"error": "νμΌ μΈμ½λ©μ μ½μ μ μμ΅λλ€ (UTF-8, CP949 μλ μ€ν¨)."}), 400
except Exception as e_read:
logger.error(f"νμΌ μ½κΈ° μ€λ₯ ({filename}): {e_read}")
return jsonify({"error": f"νμΌ μ½κΈ° μ€ μ€λ₯ λ°μ: {str(e_read)}"}), 500
elif file_ext == 'pdf':
logger.warning("PDF μ²λ¦¬λ ꡬνλμ§ μμμ΅λλ€.")
# μ¬κΈ°μ PDF ν
μ€νΈ μΆμΆ λ‘μ§ μΆκ° (μ: PyPDF2 μ¬μ©)
# content = extract_text_from_pdf(filepath)
elif file_ext == 'docx':
logger.warning("DOCX μ²λ¦¬λ ꡬνλμ§ μμμ΅λλ€.")
# μ¬κΈ°μ DOCX ν
μ€νΈ μΆμΆ λ‘μ§ μΆκ° (μ: python-docx μ¬μ©)
# content = extract_text_from_docx(filepath)
# λ¬Έμ λΆν /μ²λ¦¬
if content is not None: # λ΄μ©μ΄ μ±κ³΅μ μΌλ‘ μ½νκ±°λ μΆμΆλμμ λλ§
if file_ext == 'csv':
logger.info(f"CSV νμΌ μ²λ¦¬ μμ: {filename}")
docs = DocumentProcessor.csv_to_documents(content, metadata)
elif file_ext in ['txt', 'md'] or (file_ext in ['pdf', 'docx'] and content): # ν
μ€νΈ κΈ°λ° λλ μΆμΆλ λ΄μ©
logger.info(f"ν
μ€νΈ κΈ°λ° λ¬Έμ μ²λ¦¬ μμ: {filename}")
# text_to_documents ν¨μκ° μ²ν¬ λΆν λ±μ μννλ€κ³ κ°μ
docs = DocumentProcessor.text_to_documents(
content, metadata=metadata,
chunk_size=512, chunk_overlap=50 # μ€μ κ° μ¬μ©
)
# κ²μκΈ°μ μΆκ° λ° μ μ₯
if docs:
logger.info(f"{len(docs)}κ° λ¬Έμ μ²ν¬λ₯Ό κ²μκΈ°μ μΆκ°ν©λλ€...")
base_retriever.add_documents(docs)
logger.info(f"κ²μκΈ° μνλ₯Ό μ μ₯ν©λλ€...")
# app.config μ¬μ© νμΈ
if 'INDEX_PATH' not in app.config:
logger.error("Flask app.configμ INDEX_PATHκ° μ€μ λμ§ μμμ΅λλ€.")
return jsonify({"error": "μλ² μ€μ μ€λ₯ (INDEX_PATH)"}), 500
index_path = app.config['INDEX_PATH']
# μΈλ±μ€ μ μ₯ κ²½λ‘κ° ν΄λμΈμ§ νμΌμΈμ§ νμΈ νμ (VectorRetriever.save ꡬνμ λ°λΌ λ€λ¦)
# μ¬κΈ°μλ index_pathκ° λλ ν 리λΌκ³ κ°μ νκ³ λΆλͺ¨ λλ ν 리 μμ±
os.makedirs(os.path.dirname(index_path), exist_ok=True)
try:
base_retriever.save(index_path)
logger.info("μΈλ±μ€ μ μ₯ μλ£")
# TODO: μ¬μμν κ²μκΈ°(retriever) μ
λ°μ΄νΈ λ‘μ§ νμ μ μΆκ°
# μ: if retriever and hasattr(retriever, 'update_base_retriever'): retriever.update_base_retriever(base_retriever)
return jsonify({
"success": True,
"message": f"νμΌ '{filename}' μ
λ‘λ λ° μ²λ¦¬ μλ£ ({len(docs)}κ° μ²ν¬ μΆκ°)."
})
except Exception as e_save:
logger.error(f"μΈλ±μ€ μ μ₯ μ€ μ€λ₯ λ°μ: {e_save}", exc_info=True)
# μ μ₯ μ€ν¨ μ μΆκ°λ λ¬Έμ λ‘€λ°± κ³ λ €?
return jsonify({"error": f"μΈλ±μ€ μ μ₯ μ€ μ€λ₯: {str(e_save)}"}), 500
else:
logger.warning(f"νμΌ '{filename}'μμ μ²λ¦¬ν λ΄μ©μ΄ μκ±°λ μ§μλμ§ μλ νμμ
λλ€.")
# νμΌμ μ μ₯λμμΌλ―λ‘ warning λ°ν
return jsonify({
"warning": True, # 'success' λμ 'warning' μ¬μ©
"message": f"νμΌ '{filename}'μ΄ μ μ₯λμμ§λ§ μ²λ¦¬ν λ΄μ©μ΄ μκ±°λ μ§μλμ§ μλ νμμ
λλ€."
})
except Exception as e:
logger.error(f"νμΌ μ
λ‘λ λλ μ²λ¦¬ μ€ μ€λ₯ λ°μ: {e}", exc_info=True)
# μ€λ₯ λ°μ μ μ μ₯λ νμΌ μμ
if 'filepath' in locals() and os.path.exists(filepath):
try: os.remove(filepath)
except OSError as e_del: logger.error(f"μ
λ‘λ μ€ν¨ ν νμΌ μμ μ€λ₯: {e_del}")
return jsonify({"error": f"νμΌ μ
λ‘λ μ€ μ€λ₯: {str(e)}"}), 500
# --- Document List API ---
@app.route('/api/documents', methods=['GET'])
@login_required
def list_documents():
"""μ§μλ² μ΄μ€ λ¬Έμ λͺ©λ‘ API"""
logger.info("λ¬Έμ λͺ©λ‘ API μμ² μμ")
# base_retriever μν νμΈ
if base_retriever is None:
logger.warning("λ¬Έμ API μμ² μ base_retrieverκ° Noneμ
λλ€.")
return jsonify({"documents": [], "total_documents": 0, "total_chunks": 0})
elif not hasattr(base_retriever, 'documents'):
logger.warning("λ¬Έμ API μμ² μ base_retrieverμ 'documents' μμ±μ΄ μμ΅λλ€.")
return jsonify({"documents": [], "total_documents": 0, "total_chunks": 0})
# λ‘κΉ
μΆκ°
logger.info(f"base_retriever κ°μ²΄ νμ
: {type(base_retriever)}")
logger.info(f"base_retriever.documents μ‘΄μ¬ μ¬λΆ: {hasattr(base_retriever, 'documents')}")
doc_list_attr = getattr(base_retriever, 'documents', None) # μμ νκ² μμ± κ°μ Έμ€κΈ°
logger.info(f"base_retriever.documents νμ
: {type(doc_list_attr)}")
logger.info(f"base_retriever.documents κΈΈμ΄: {len(doc_list_attr) if isinstance(doc_list_attr, list) else 'N/A'}")
try:
sources = {}
total_chunks = 0
doc_list = doc_list_attr # μμμ κ°μ Έμ¨ μμ± μ¬μ©
# doc_listκ° λ¦¬μ€νΈμΈμ§ νμΈ
if not isinstance(doc_list, list):
logger.error(f"base_retriever.documentsκ° λ¦¬μ€νΈκ° μλ: {type(doc_list)}")
return jsonify({"error": "λ΄λΆ λ°μ΄ν° ꡬ쑰 μ€λ₯"}), 500
logger.info(f"μ΄ {len(doc_list)}κ° λ¬Έμ μ²ν¬μμ μμ€ λͺ©λ‘ μμ± μ€...")
for i, doc in enumerate(doc_list):
# κ° μ²ν¬κ° λμ
λ리 ννμΈμ§ νμΈ (Langchain Document κ°μ²΄λ λμ
λ리μ²λΌ λμ κ°λ₯)
if not hasattr(doc, 'get'): # λμ
λ리 λλ μ μ¬ κ°μ²΄μΈμ§ νμΈ
logger.warning(f"μ²ν¬ {i}κ° λμ
λ리 νμ
μ΄ μλ: {type(doc)}")
continue
# μμ€ μ 보 μΆμΆ (metadata μ°μ )
source = "unknown"
metadata = doc.get("metadata")
if isinstance(metadata, dict):
source = metadata.get("source", "unknown")
# metadataμ μμΌλ©΄ doc μ체μμ μ°ΎκΈ° (νμ νΈνμ±)
if source == "unknown":
source = doc.get("source", "unknown")
if source != "unknown":
if source in sources:
sources[source]["chunks"] += 1
else:
# filename, filetype μΆμΆ (metadata μ°μ )
filename = metadata.get("filename", source) if isinstance(metadata, dict) else source
filetype = metadata.get("filetype", "unknown") if isinstance(metadata, dict) else "unknown"
# metadataμ μμΌλ©΄ doc μ체μμ μ°ΎκΈ°
if filename == source and doc.get("filename"): filename = doc["filename"]
if filetype == "unknown" and doc.get("filetype"): filetype = doc["filetype"]
sources[source] = {
"filename": filename,
"chunks": 1,
"filetype": filetype
}
total_chunks += 1
else:
# μμ€ μ λ³΄κ° μλ μ²ν¬ λ‘κΉ
(λ무 λ§μΌλ©΄ μ£Όμ μ²λ¦¬)
logger.warning(f"μ²ν¬ {i}μμ μμ€ μ 보λ₯Ό μ°Ύμ μ μμ: {str(doc)[:200]}...") # λ΄μ© μΌλΆ λ‘κΉ
# μ΅μ’
λͺ©λ‘ μμ± λ° μ λ ¬
documents = [{"source": src, **info} for src, info in sources.items()]
documents.sort(key=lambda x: x.get("filename", ""), reverse=False) # νμΌλͺ
κΈ°μ€ μ€λ¦μ°¨μ μ λ ¬
logger.info(f"λ¬Έμ λͺ©λ‘ μ‘°ν μλ£: {len(documents)}κ° μμ€ νμΌ, {total_chunks}κ° μ²ν¬")
return jsonify({
"documents": documents,
"total_documents": len(documents),
"total_chunks": total_chunks
})
except Exception as e:
logger.error(f"λ¬Έμ λͺ©λ‘ μ‘°ν μ€ μ¬κ°ν μ€λ₯ λ°μ: {e}", exc_info=True)
# 503 λμ 500 λ°ν
return jsonify({"error": f"λ¬Έμ λͺ©λ‘ μ‘°ν μ€ μ€λ₯: {str(e)}"}), 500
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