crawlee-python/docs/examples/code_examples/playwright_block_requests.py

37 lines
1.2 KiB
Python

import asyncio
from crawlee.crawlers import (
PlaywrightCrawler,
PlaywrightCrawlingContext,
PlaywrightPreNavCrawlingContext,
)
async def main() -> None:
crawler = PlaywrightCrawler(
# Limit the crawl to max requests. Remove or increase it for crawling all links.
max_requests_per_crawl=10,
)
# Define the default request handler, which will be called for every request.
@crawler.router.default_handler
async def request_handler(context: PlaywrightCrawlingContext) -> None:
context.log.info(f'Processing {context.request.url} ...')
await context.enqueue_links()
# Define the hook, which will be called before every request.
@crawler.pre_navigation_hook
async def navigation_hook(context: PlaywrightPreNavCrawlingContext) -> None:
context.log.info(f'Navigating to {context.request.url} ...')
# Block all requests to URLs that include `adsbygoogle.js` and also all defaults.
await context.block_requests(extra_url_patterns=['adsbygoogle.js'])
# Run the crawler with the initial list of URLs.
await crawler.run(['https://crawlee.dev/'])
if __name__ == '__main__':
asyncio.run(main())