from lxml import html from urllib import urlencode from cgi import escape base_url = 'http://www.bing.com/' search_string = 'search?{query}&first={offset}' locale = 'en-US' # see http://msdn.microsoft.com/en-us/library/dd251064.aspx paging = True def request(query, params): offset = (params['pageno'] - 1) * 10 + 1 search_path = search_string.format( query=urlencode({'q': query, 'setmkt': locale}), offset=offset) #if params['category'] == 'images': # params['url'] = base_url + 'images/' + search_path params['url'] = base_url + search_path return params def response(resp): global base_url results = [] dom = html.fromstring(resp.content) for result in dom.xpath('//div[@class="sa_cc"]'): link = result.xpath('.//h3/a')[0] url = link.attrib.get('href') title = ' '.join(link.xpath('.//text()')) content = escape(' '.join(result.xpath('.//p//text()'))) results.append({'url': url, 'title': title, 'content': content}) if results: return results for result in dom.xpath('//li[@class="b_algo"]'): link = result.xpath('.//h2/a')[0] url = link.attrib.get('href') title = ' '.join(link.xpath('.//text()')) content = escape(' '.join(result.xpath('.//p//text()'))) results.append({'url': url, 'title': title, 'content': content}) return results