320 lines
12 KiB
Python
320 lines
12 KiB
Python
"""
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Multi-Language Translation Service
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다국어 번역 서비스 - 설정 기반 다중 언어 지원
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"""
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import asyncio
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import logging
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import os
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import sys
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import json
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from typing import List, Dict, Any
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import httpx
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import redis.asyncio as redis
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from motor.motor_asyncio import AsyncIOMotorClient
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from datetime import datetime
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# Import from shared module
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from shared.models import PipelineJob, FinalArticle
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from shared.queue_manager import QueueManager
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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class MultiLanguageTranslator:
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def __init__(self):
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self.queue_manager = QueueManager(
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redis_url=os.getenv("REDIS_URL", "redis://redis:6379")
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)
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self.deepl_api_key = os.getenv("DEEPL_API_KEY", "3abbc796-2515-44a8-972d-22dcf27ab54a")
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self.deepl_api_url = "https://api.deepl.com/v2/translate"
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self.mongodb_url = os.getenv("MONGODB_URL", "mongodb://mongodb:27017")
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self.db_name = os.getenv("DB_NAME", "ai_writer_db")
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self.db = None
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self.languages_config = None
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self.config_path = "/app/config/languages.json"
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async def load_config(self):
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"""언어 설정 파일 로드"""
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try:
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if os.path.exists(self.config_path):
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with open(self.config_path, 'r', encoding='utf-8') as f:
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self.languages_config = json.load(f)
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else:
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# 기본 설정 (영어만)
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self.languages_config = {
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"enabled_languages": [
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{
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"code": "en",
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"name": "English",
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"deepl_code": "EN",
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"collection": "articles_en",
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"enabled": True
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}
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],
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"source_language": {
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"code": "ko",
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"name": "Korean",
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"collection": "articles_ko"
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},
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"translation_settings": {
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"batch_size": 5,
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"delay_between_languages": 2.0,
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"delay_between_articles": 0.5,
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"max_retries": 3
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}
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}
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logger.info(f"Loaded language config: {len(self.get_enabled_languages())} languages enabled")
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except Exception as e:
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logger.error(f"Error loading config: {e}")
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raise
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def get_enabled_languages(self) -> List[Dict]:
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"""활성화된 언어 목록 반환"""
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return [lang for lang in self.languages_config["enabled_languages"] if lang["enabled"]]
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async def start(self):
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"""워커 시작"""
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logger.info("Starting Multi-Language Translator Worker")
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# 설정 로드
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await self.load_config()
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# Redis 연결
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await self.queue_manager.connect()
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# MongoDB 연결
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client = AsyncIOMotorClient(self.mongodb_url)
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self.db = client[self.db_name]
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# DeepL API 키 확인
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if not self.deepl_api_key:
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logger.error("DeepL API key not configured")
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return
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# 메인 처리 루프
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while True:
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try:
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# 큐에서 작업 가져오기
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job = await self.queue_manager.dequeue('translation', timeout=5)
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if job:
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await self.process_job(job)
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except Exception as e:
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logger.error(f"Error in worker loop: {e}")
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await asyncio.sleep(1)
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async def process_job(self, job: PipelineJob):
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"""모든 활성 언어로 번역"""
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try:
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logger.info(f"Processing job {job.job_id} for multi-language translation")
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# MongoDB에서 한국어 기사 가져오기
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news_id = job.data.get('news_id')
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if not news_id:
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logger.error(f"No news_id in job {job.job_id}")
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await self.queue_manager.mark_failed('translation', job, "No news_id")
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return
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# 원본 컬렉션에서 기사 조회
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source_collection = self.languages_config["source_language"]["collection"]
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korean_article = await self.db[source_collection].find_one({"news_id": news_id})
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if not korean_article:
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logger.error(f"Article {news_id} not found in {source_collection}")
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await self.queue_manager.mark_failed('translation', job, "Article not found")
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return
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# 활성화된 모든 언어로 번역
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enabled_languages = self.get_enabled_languages()
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settings = self.languages_config["translation_settings"]
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for lang_config in enabled_languages:
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try:
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logger.info(f"Translating article {news_id} to {lang_config['name']}")
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# 이미 번역되었는지 확인
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existing = await self.db[lang_config["collection"]].find_one({"news_id": news_id})
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if existing:
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logger.info(f"Article {news_id} already translated to {lang_config['code']}")
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continue
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# 번역 수행
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await self.translate_article(
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korean_article,
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lang_config,
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job
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)
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# 언어 간 지연
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if settings.get("delay_between_languages"):
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await asyncio.sleep(settings["delay_between_languages"])
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except Exception as e:
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logger.error(f"Error translating to {lang_config['code']}: {e}")
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continue
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# 파이프라인 완료 로그
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logger.info(f"Translation pipeline completed for news_id: {news_id}")
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# 완료 표시
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job.stages_completed.append('translation')
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await self.queue_manager.mark_completed('translation', job.job_id)
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logger.info(f"Multi-language translation completed for job {job.job_id}")
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except Exception as e:
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logger.error(f"Error processing job {job.job_id}: {e}")
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await self.queue_manager.mark_failed('translation', job, str(e))
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async def translate_article(self, korean_article: Dict, lang_config: Dict, job: PipelineJob):
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"""특정 언어로 기사 번역"""
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try:
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# 제목 번역
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translated_title = await self._translate_text(
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korean_article.get('title', ''),
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target_lang=lang_config["deepl_code"]
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)
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# 요약 번역
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translated_summary = await self._translate_text(
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korean_article.get('summary', ''),
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target_lang=lang_config["deepl_code"]
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)
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# Subtopics 번역
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from shared.models import Subtopic
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translated_subtopics = []
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for subtopic in korean_article.get('subtopics', []):
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translated_subtopic_title = await self._translate_text(
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subtopic.get('title', ''),
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target_lang=lang_config["deepl_code"]
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)
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translated_content_list = []
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for content_para in subtopic.get('content', []):
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translated_para = await self._translate_text(
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content_para,
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target_lang=lang_config["deepl_code"]
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)
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translated_content_list.append(translated_para)
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# API 속도 제한
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settings = self.languages_config["translation_settings"]
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if settings.get("delay_between_articles"):
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await asyncio.sleep(settings["delay_between_articles"])
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translated_subtopics.append(Subtopic(
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title=translated_subtopic_title,
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content=translated_content_list
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))
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# 카테고리 번역
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translated_categories = []
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for category in korean_article.get('categories', []):
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translated_cat = await self._translate_text(
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category,
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target_lang=lang_config["deepl_code"]
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)
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translated_categories.append(translated_cat)
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# Entities와 References는 원본 유지
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from shared.models import Entities, NewsReference
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entities_data = korean_article.get('entities', {})
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translated_entities = Entities(**entities_data) if entities_data else Entities()
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references = []
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for ref_data in korean_article.get('references', []):
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references.append(NewsReference(**ref_data))
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# 번역된 기사 생성
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translated_article = FinalArticle(
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news_id=korean_article.get('news_id'), # 같은 news_id 사용
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title=translated_title,
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summary=translated_summary,
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subtopics=translated_subtopics,
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categories=translated_categories,
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entities=translated_entities,
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source_keyword=job.keyword if hasattr(job, 'keyword') else korean_article.get('source_keyword'),
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source_count=korean_article.get('source_count', 1),
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references=references,
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job_id=job.job_id,
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keyword_id=job.keyword_id if hasattr(job, 'keyword_id') else None,
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pipeline_stages=korean_article.get('pipeline_stages', []) + ['translation'],
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processing_time=korean_article.get('processing_time', 0),
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language=lang_config["code"],
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ref_news_id=None, # 같은 news_id 사용하므로 불필요
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rss_guid=korean_article.get('rss_guid'), # RSS GUID 유지
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image_prompt=korean_article.get('image_prompt'), # 이미지 프롬프트 유지
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images=korean_article.get('images', []), # 이미지 URL 리스트 유지
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translated_languages=korean_article.get('translated_languages', []) # 번역 언어 목록 유지
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)
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# MongoDB에 저장
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collection_name = lang_config["collection"]
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result = await self.db[collection_name].insert_one(translated_article.model_dump())
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logger.info(f"Article saved to {collection_name} with _id: {result.inserted_id}, language: {lang_config['code']}")
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# 원본 기사에 번역 완료 표시
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await self.db[self.languages_config["source_language"]["collection"]].update_one(
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{"news_id": korean_article.get('news_id')},
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{
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"$addToSet": {
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"translated_languages": lang_config["code"]
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}
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}
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)
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except Exception as e:
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logger.error(f"Error translating article to {lang_config['code']}: {e}")
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raise
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async def _translate_text(self, text: str, target_lang: str = 'EN') -> str:
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"""DeepL API를 사용한 텍스트 번역"""
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try:
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if not text:
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return ""
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async with httpx.AsyncClient() as client:
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response = await client.post(
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self.deepl_api_url,
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data={
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'auth_key': self.deepl_api_key,
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'text': text,
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'target_lang': target_lang,
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'source_lang': 'KO'
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},
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timeout=30
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)
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if response.status_code == 200:
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result = response.json()
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return result['translations'][0]['text']
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else:
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logger.error(f"DeepL API error: {response.status_code}")
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return text # 번역 실패시 원본 반환
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except Exception as e:
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logger.error(f"Error translating text: {e}")
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return text # 번역 실패시 원본 반환
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async def stop(self):
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"""워커 중지"""
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await self.queue_manager.disconnect()
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logger.info("Multi-Language Translator Worker stopped")
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async def main():
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"""메인 함수"""
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worker = MultiLanguageTranslator()
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try:
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await worker.start()
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except KeyboardInterrupt:
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logger.info("Received interrupt signal")
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finally:
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await worker.stop()
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if __name__ == "__main__":
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asyncio.run(main()) |