import asyncio

from crawl4ai import AsyncWebCrawler, BrowserConfig, CrawlerRunConfig, UndetectedAdapter

from crawl4ai.async_crawler_strategy import AsyncPlaywrightCrawlerStrategy

# Example 1: Stealth Mode

async def stealth_mode_example():

browser_config = BrowserConfig(

enable_stealth=True,

headless=False

)

async with AsyncWebCrawler(config=browser_config) as crawler:

result = await crawler.arun("https://example.com")

return result.html[:500]

# Example 2: Undetected Browser

async def undetected_browser_example():

browser_config = BrowserConfig(

headless=False

)

adapter = UndetectedAdapter()

strategy = AsyncPlaywrightCrawlerStrategy(

browser_config=browser_config,

browser_adapter=adapter

)

async with AsyncWebCrawler(

crawler_strategy=strategy,

config=browser_config

) as crawler:

result = await crawler.arun("https://example.com")

return result.html[:500]

# Example 3: Both Combined

async def combined_example():

browser_config = BrowserConfig(

enable_stealth=True,

headless=False

)

adapter = UndetectedAdapter()

strategy = AsyncPlaywrightCrawlerStrategy(

browser_config=browser_config,

browser_adapter=adapter

)

async with AsyncWebCrawler(

crawler_strategy=strategy,

config=browser_config

) as crawler:

result = await crawler.arun("https://example.com")

return result.html[:500]

# Run examples

if __name__ == "__main__":

asyncio.run(stealth_mode_example())

asyncio.run(undetected_browser_example())

asyncio.run(combined_example())