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python Programming Glossary: parse_itemhow to filter duplicate requests based on url in scrapy http://stackoverflow.com/questions/12553117/how-to-filter-duplicate-requests-based-on-url-in-scrapy all ids I could ignore it in my cllback function parse_item thats my callback function achieve this functionality But that..
Scrapy - parse a page to extract items - then follow and store item url contents http://stackoverflow.com/questions/5825880/scrapy-parse-a-page-to-extract-items-then-follow-and-store-item-url-contents Every time a listing page is found with items there's the parse_item callback that is called for extracting items data and yielding.. ' restrict_xpaths ' div @class pagination ' callback 'parse_item' Rule SgmlLinkExtractor allow 'item detail' follow False def.. SgmlLinkExtractor allow 'item detail' follow False def parse_item self response main_selector HtmlXPathSelector response xpath..
Crawling with an authenticated session in Scrapy http://stackoverflow.com/questions/5851213/crawling-with-an-authenticated-session-in-scrapy rules Rule SgmlLinkExtractor allow r' w .html ' callback 'parse_item' follow True def parse self response hxs HtmlXPathSelector response.. response.body return self.login response else return self.parse_item response def login self response return FormRequest.from_response.. 'herman' 'password' 'password' callback self.parse def parse_item self response i 'url' response.url # ... do more things return..
Creating a generic scrapy spider http://stackoverflow.com/questions/9814827/creating-a-generic-scrapy-spider deny '' Rule SgmlLinkExtractor allow ' 2012 03 ' callback 'parse_item' def parse_item self response contentTags soup BeautifulSoup.. allow ' 2012 03 ' callback 'parse_item' def parse_item self response contentTags soup BeautifulSoup response.body contentTags..
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