97 lines
No EOL
3.3 KiB
Python
97 lines
No EOL
3.3 KiB
Python
from flask import Flask, request, Response
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import logging
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from config import config
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from handlers.registry import HandlerRegistry
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from utils.rss_generator import RSSGenerator
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# 配置日志
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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def create_app(config_name='default'):
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app = Flask(__name__)
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app.config.from_object(config[config_name])
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# 初始化处理器注册中心
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handler_registry = HandlerRegistry()
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# 初始化RSS生成器
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rss_generator = RSSGenerator(
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title=app.config['RSS_TITLE'],
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description=app.config['RSS_DESCRIPTION'],
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link=app.config['RSS_LINK'],
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language=app.config['RSS_LANGUAGE']
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)
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@app.route('/')
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def index():
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"""API文档页面"""
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available_handlers = handler_registry.list_handlers()
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docs = f"""
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<h1>Crypto RSS Service</h1>
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<h2>可用的RSS订阅源：</h2>
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<ul>
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"""
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for handler_name in available_handlers:
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if handler_name == 'crypto':
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docs += f"""
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<li><a href="/rss/{handler_name}?pair=ETH-USDT">/rss/{handler_name}?pair=ETH-USDT</a> - ETH价格</li>
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<li><a href="/rss/{handler_name}?pair=BTC-USDT">/rss/{handler_name}?pair=BTC-USDT</a> - BTC价格</li>
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"""
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docs += """
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</ul>
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<h2>使用说明：</h2>
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<p>将RSS链接粘贴到您的墨水屏RSS阅读器中即可。</p>
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"""
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return docs
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@app.route('/rss/<handler_name>')
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def rss_feed(handler_name):
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"""RSS订阅源端点"""
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handler = handler_registry.get_handler(handler_name)
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if not handler:
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return Response("Handler not found", status=404)
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try:
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# 获取查询参数
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request_params = request.args.to_dict()
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# 让处理器处理请求
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items = handler.handle(**request_params)
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if not items:
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return Response("No data available", status=204)
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if handler_name == 'crypto':
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motdTitle = request_params.get('pair', app.config['DEFAULT_CRYPTO_PAIR'])
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motdTitle = motdTitle.replace('-', '/').upper()
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rss_xml = rss_generator.generate_rss(items, motdTitle=motdTitle)
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else:
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rss_xml = rss_generator.generate_rss(items)
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return Response(rss_xml, mimetype='application/rss+xml')
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except Exception as e:
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logger.error(f"生成RSS时出错: {e}")
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error_items = [{
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"title": "服务暂时不可用",
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"description": f"生成RSS时出现错误: {str(e)}",
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"link": app.config['RSS_LINK']
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}]
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rss_xml = rss_generator.generate_rss(error_items)
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return Response(rss_xml, mimetype='application/rss+xml', status=500)
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@app.route('/health')
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def health_check():
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"""健康检查端点"""
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return {"status": "healthy", "available_handlers": handler_registry.list_handlers()}
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return app
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if __name__ == '__main__':
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app = create_app('development')
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app.run(host='0.0.0.0', port=5000, debug=True) |