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Follow all URLs on page with dynamic pagination #130

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59 changes: 32 additions & 27 deletions dynamic_scraper/spiders/django_spider.py
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Original file line number Diff line number Diff line change
Expand Up @@ -785,33 +785,38 @@ def parse(self, response):
mir_reached = True
if self.scraper.follow_pages_url_xpath and not mir_reached:
if not self.conf['NUM_PAGES_FOLLOW'] or follow_page_num < self.conf['NUM_PAGES_FOLLOW']:
url = response.xpath(self.scraper.follow_pages_url_xpath).extract_first()
if url is not None:
self._set_meta_splash_args()
follow_page = ''
if self.scraper.follow_pages_page_xpath:
follow_page = response.xpath(self.scraper.follow_pages_page_xpath).extract_first()
form_data_orig = None
if self.scraper.get_follow_page_rpts().count() > 0:
f_rpt = self.scraper.get_follow_page_rpts()[0]
form_data_orig = self.scraper.get_follow_page_rpts()[0].form_data
else:
f_rpt = self.scraper.get_main_page_rpt()
form_data_orig = self.scraper.get_main_page_rpt().form_data
kwargs, form_data = self._prepare_mp_req_data(self.fp_request_kwargs, form_data_orig, page, follow_page)

follow_page_num += 1
kwargs['meta']['page_num'] = page_num
kwargs['meta']['follow_page_num'] = follow_page_num
kwargs['meta']['rpt'] = f_rpt

self._log_page_info(page_num, follow_page_num, url, f_rpt, form_data, kwargs)

if f_rpt.request_type == 'R':
yield response.follow(url, callback=self.parse, method=f_rpt.method, dont_filter=f_rpt.dont_filter, **kwargs)
else:
url = response.urljoin(url)
yield FormRequest(url, callback=self.parse, method=f_rpt.method, formdata=form_data, dont_filter=f_rpt.dont_filter, **kwargs)
urls = response.xpath(self.scraper.follow_pages_url_xpath).getall()
if urls is not None:
for url in urls:
self._set_meta_splash_args()
follow_page = ''
if self.scraper.follow_pages_page_xpath:
follow_page = response.xpath(
self.scraper.follow_pages_page_xpath).extract_first()
form_data_orig = None
if self.scraper.get_follow_page_rpts().count() > 0:
f_rpt = self.scraper.get_follow_page_rpts()[0]
form_data_orig = self.scraper.get_follow_page_rpts()[
0].form_data
else:
f_rpt = self.scraper.get_main_page_rpt()
form_data_orig = self.scraper.get_main_page_rpt().form_data
kwargs, form_data = self._prepare_mp_req_data(
self.fp_request_kwargs, form_data_orig, page, follow_page)

follow_page_num += 1
kwargs['meta']['page_num'] = page_num
kwargs['meta']['follow_page_num'] = follow_page_num
kwargs['meta']['rpt'] = f_rpt

self._log_page_info(
page_num, follow_page_num, url, f_rpt, form_data, kwargs)

if f_rpt.request_type == 'R':
yield response.follow(url, callback=self.parse, method=f_rpt.method, dont_filter=f_rpt.dont_filter, **kwargs)
else:
url = response.urljoin(url)
yield FormRequest(url, callback=self.parse, method=f_rpt.method, formdata=form_data, dont_filter=f_rpt.dont_filter, **kwargs)


def _log_request_info(self, rpt, form_data, kwargs):
Expand Down