[Bug]: Failed to handle download: 'AsyncPlaywrightCrawlerStrategy' object has no attribute 'downloads_path'

[xingyongma]

crawl4ai version

0.4.247

Expected Behavior

1 download file into downloads_path
2 find downloaded file path in downloaded_files of crawler.arun result

Current Behavior

1 succeed to download file into downloads_path
2 downloaded_files of crawler.arun result is None and with error in log

Is this reproducible?

Yes

Inputs Causing the Bug

Steps to Reproduce

Code snippets

from crawl4ai import AsyncWebCrawler
from crawl4ai.async_configs import BrowserConfig, CrawlerRunConfig
import asyncio
import os
import json
from crawl4ai import CacheMode

# 可以跑通，但是没有下载

async def download_citation():
    # Set up download configuration
    downloads_path = './test'
    os.makedirs(downloads_path, exist_ok=True)
    
    config = BrowserConfig(
        downloads_path=downloads_path,
        accept_downloads=True
    )

    async with AsyncWebCrawler(
        config=config,
        user_agent_mode="random",
        user_agent_generator_config={
            "device_type": "mobile",
            "os_type": "android"
        },
        verbose=True
    ) as crawler:
        run_config = CrawlerRunConfig(
            js_code="""
                (function() {
                    const xpath = "//a[@data-test='citation-link' and contains(text(), 'Download citation')]";
                    const result = document.evaluate(xpath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);
                    const element = result.singleNodeValue;
                    
                    if (element) {
                        console.log('Found citation button, clicking...');
                        element.click();
                        return true;
                    } else {
                        console.log('Citation button not found');
                        return false;
                    }
                })();
            """,
            delay_before_return_html=1,
            cache_mode=CacheMode.BYPASS
        )
        
        result = await crawler.arun(
            url="https://www.nature.com/articles/s41467-024-55621-z",
            config=run_config,
            magic=True,
            remove_overlay_elements=True
        )
        
        # 只保存基本属性
        basic_attributes = [
            'status_code',
            'status',
            'json',
            'url',
            'links',
            'markdown',
            'markdown_v2',
            'metadata',
            'success',
            'error_message',
            'downloaded_files',
            'html',
            'cleaned_html',
            'response_headers'
        ]
        
        result_dict = {}
        for attr in basic_attributes:
            if hasattr(result, attr):
                value = getattr(result, attr)
                if isinstance(value, (str, int, float, bool, list, dict, type(None))):
                    result_dict[attr] = value
                else:
                    result_dict[attr] = str(value)
        
        # 写入结果
        with open("citation_result.json", "w", encoding='utf-8') as f:
            json.dump(result_dict, f, ensure_ascii=False, indent=2)
            
        print("\nResult dictionary has been saved to citation_result.json")
        print("Downloaded files:", result.downloaded_files if hasattr(result, 'downloaded_files') else None)

if __name__ == "__main__":
    asyncio.run(download_citation())

OS

macOS

Python version

3.12.6

Browser

Chrome

Browser version

No response

Error logs & Screenshots (if applicable)