You will definitely want to start with a good web scraping framework. Later on, you may decide that they are too limiting and you can put together your own stack of libraries but without a lot of scraping experience, your design will be much worse than pjscrape or scrapy. Note: I use the terms crawling … Read more
An approach using Scrapy will make use of two components, RandomProxy and RotateUserAgentMiddleware. Modify DOWNLOADER_MIDDLEWARES as follows. You will have to insert the new components in the settings.py: DOWNLOADER_MIDDLEWARES = { ‘scrapy.contrib.downloadermiddleware.retry.RetryMiddleware’: 90, ‘tutorial.randomproxy.RandomProxy’: 100, ‘scrapy.contrib.downloadermiddleware.httpproxy.HttpProxyMiddleware’: 110, ‘scrapy.contrib.downloadermiddleware.useragent.UserAgentMiddleware’ : None, ‘tutorial.spiders.rotate_useragent.RotateUserAgentMiddleware’ :400, } Random Proxy You can use scrapy-proxies. This component will process Scrapy requests … Read more
Google disallows automated access in their TOS, so if you accept their terms you would break them. That said, I know of no lawsuit from Google against a scraper. Even Microsoft scraped Google, they powered their search engine Bing with it. They got caught in 2011 red handed 🙂 There are two options to scrape … Read more