first code

app.py

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+from flask import Flask, request, Response
+import logging
+from config import config
+from handlers.registry import HandlerRegistry
+from utils.rss_generator import RSSGenerator
+
+# 配置日志
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+def create_app(config_name='default'):
+    app = Flask(__name__)
+    app.config.from_object(config[config_name])
+    
+    # 初始化处理器注册中心
+    handler_registry = HandlerRegistry()
+    
+    # 初始化RSS生成器
+    rss_generator = RSSGenerator(
+        title=app.config['RSS_TITLE'],
+        description=app.config['RSS_DESCRIPTION'],
+        link=app.config['RSS_LINK'],
+        language=app.config['RSS_LANGUAGE']
+    )
+    
+    @app.route('/')
+    def index():
+        """API文档页面"""
+        available_handlers = handler_registry.list_handlers()
+        docs = f"""
+        <h1>Crypto RSS Service</h1>
+        <h2>可用的RSS订阅源：</h2>
+        <ul>
+        """
+        
+        for handler_name in available_handlers:
+            if handler_name == 'crypto':
+                docs += f"""
+                <li><a href="/rss/{handler_name}?pair=ETH-USDT">/rss/{handler_name}?pair=ETH-USDT</a> - ETH价格</li>
+                <li><a href="/rss/{handler_name}?pair=BTC-USDT">/rss/{handler_name}?pair=BTC-USDT</a> - BTC价格</li>
+                """
+        
+        docs += """
+        </ul>
+        <h2>使用说明：</h2>
+        <p>将RSS链接粘贴到您的墨水屏RSS阅读器中即可。</p>
+        """
+        return docs
+    
+    @app.route('/rss/<handler_name>')
+    def rss_feed(handler_name):
+        """RSS订阅源端点"""
+        handler = handler_registry.get_handler(handler_name)
+        
+        if not handler:
+            return Response("Handler not found", status=404)
+        
+        try:
+            # 获取查询参数
+            request_params = request.args.to_dict()
+            
+            # 让处理器处理请求
+            items = handler.handle(**request_params)
+            
+            # 生成RSS XML
+            rss_xml = rss_generator.generate_rss(items)
+            
+            return Response(rss_xml, mimetype='application/rss+xml')
+            
+        except Exception as e:
+            logger.error(f"生成RSS时出错: {e}")
+            error_items = [{
+                "title": "服务暂时不可用",
+                "description": f"生成RSS时出现错误: {str(e)}",
+                "link": app.config['RSS_LINK']
+            }]
+            rss_xml = rss_generator.generate_rss(error_items)
+            return Response(rss_xml, mimetype='application/rss+xml', status=500)
+    
+    @app.route('/health')
+    def health_check():
+        """健康检查端点"""
+        return {"status": "healthy", "available_handlers": handler_registry.list_handlers()}
+    
+    return app
+
+if __name__ == '__main__':
+    app = create_app('development')
+    app.run(host='0.0.0.0', port=5000, debug=True)