from crawl4ai.hub import BaseCrawler __meta__ = { "version": "1.2.0", "tested_on": ["amazon.com"], "rate_limit": "50 RPM", "schema": {"product": ["name", "price"]} } class AmazonProductCrawler(BaseCrawler): async def run(self, url: str, **kwargs) -> str: try: self.logger.info(f"Crawling {url}") return '{"product": {"name": "Test Amazon Product"}}' except Exception as e: self.logger.error(f"Crawl failed: {str(e)}") return json.dumps({ "error": str(e), "metadata": self.meta # Include meta in error response })