backup

app.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Document Translator Flask 應用程式入口
+
+Author: PANJIT IT Team
+Created: 2024-01-28
+Modified: 2024-01-28
+"""
+
+import os
+import sys
+from pathlib import Path
+from datetime import datetime
+
+# 添加專案根目錄到 Python 路徑
+project_root = Path(__file__).parent
+sys.path.insert(0, str(project_root))
+
+from app import create_app, db
+from app.models import User, TranslationJob, JobFile, TranslationCache, APIUsageStats, SystemLog
+
+# 創建 Flask 應用
+app = create_app()
+
+# 導出 Celery 實例供 worker 使用
+celery = app.celery
+
+# 確保在模組級別可以訪問
+__all__ = ['app', 'celery']
+
+
+@app.shell_context_processor
+def make_shell_context():
+    """為 Flask shell 提供上下文"""
+    return {
+        'db': db,
+        'User': User,
+        'TranslationJob': TranslationJob,
+        'JobFile': JobFile,
+        'TranslationCache': TranslationCache,
+        'APIUsageStats': APIUsageStats,
+        'SystemLog': SystemLog
+    }
+
+
+@app.cli.command()
+def init_db():
+    """初始化資料庫"""
+    click.echo('Initializing database...')
+    db.create_all()
+    click.echo('Database initialized.')
+
+
+@app.cli.command()
+def test():
+    """運行測試"""
+    import unittest
+    tests = unittest.TestLoader().discover('tests')
+    unittest.TextTestRunner(verbosity=2).run(tests)
+
+
+@app.route('/')
+def index():
+    """首頁路由 - 服務前端應用"""
+    try:
+        from flask import send_from_directory
+        return send_from_directory('/app/static', 'index.html')
+    except Exception as e:
+        # 如果靜態文件不存在，返回API信息
+        return {
+            'application': 'PANJIT Document Translator',
+            'version': '1.0.0',
+            'status': 'running',
+            'api_base_url': '/api/v1',
+            'note': 'Frontend files not found, serving API info'
+        }
+
+
+@app.route('/<path:path>')
+def serve_static(path):
+    """服務靜態文件"""
+    try:
+        from flask import send_from_directory
+        return send_from_directory('/app/static', path)
+    except Exception:
+        # 如果文件不存在，返回index.html (SPA路由)
+        return send_from_directory('/app/static', 'index.html')
+
+
+@app.route('/api')
+def api_info():
+    """API 資訊"""
+    return {
+        'api_version': 'v1',
+        'base_url': '/api/v1',
+        'endpoints': {
+            'auth': '/api/v1/auth',
+            'files': '/api/v1/files',
+            'jobs': '/api/v1/jobs',
+            'admin': '/api/v1/admin',
+            'health': '/api/v1/health'
+        },
+        'documentation': 'Available endpoints provide RESTful API for document translation'
+    }
+
+
+@app.route('/api/health')
+@app.route('/api/v1/health')
+def health_check():
+    """健康檢查端點"""
+    return {
+        'status': 'healthy',
+        'timestamp': datetime.utcnow().isoformat(),
+        'service': 'PANJIT Document Translator API',
+        'version': '1.0.0'
+    }, 200
+
+
+if __name__ == '__main__':
+    # 檢查環境變數
+    port = int(os.environ.get('PORT', 12010))
+    debug = os.environ.get('FLASK_DEBUG', 'false').lower() == 'true'
+    host = os.environ.get('HOST', '0.0.0.0')
+    
+    # 只在主進程或非 debug 模式下顯示啟動訊息
+    # 在 debug 模式下，Flask 會創建兩個進程，只在 reloader 主進程顯示訊息
+    if not debug or os.environ.get('WERKZEUG_RUN_MAIN'):
+        print(f"""
+    PANJIT Document Translator Starting...
+    
+    Server: http://{host}:{port}
+    Debug Mode: {debug}
+    API Documentation: http://{host}:{port}/api
+    Health Check: http://{host}:{port}/api/v1/health
+    
+    Upload Directory: {app.config.get('UPLOAD_FOLDER')}
+    Database: {app.config.get('SQLALCHEMY_DATABASE_URI', '').split('/')[-1]}
+    SMTP: {app.config.get('SMTP_SERVER')}
+    LDAP: {app.config.get('LDAP_SERVER')}
+    
+    Press Ctrl+C to stop the server.
+        """)
+    
+    # 啟動應用
+    try:
+        app.run(
+            host=host,
+            port=port,
+            debug=debug,
+            use_reloader=debug
+        )
+    except KeyboardInterrupt:
+        if not debug or os.environ.get('WERKZEUG_RUN_MAIN'):
+            print("\nServer stopped by user.")
+    except Exception as e:
+        if not debug or os.environ.get('WERKZEUG_RUN_MAIN'):
+            print(f"\nServer failed to start: {str(e)}")
+        sys.exit(1)