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Diffstat (limited to '')
-rw-r--r-- | crawler/neodarznet/spiders/update.py | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/crawler/neodarznet/spiders/update.py b/crawler/neodarznet/spiders/update.py new file mode 100644 index 0000000..38f1863 --- /dev/null +++ b/crawler/neodarznet/spiders/update.py @@ -0,0 +1,49 @@ +# -*- coding: utf-8 -*- +import scrapy +from scrapy.spiders import CrawlSpider, Rule +from scrapy.linkextractors import LinkExtractor +from scrapy import Selector + +import datetime + +from database.models import Neodarznet + +from dateutil.relativedelta import * + +import logging + +class NeodarznetSpider(CrawlSpider): + name = "neodarznet_updater" + custom_settings = { + 'ITEM_PIPELINES': { + 'crawler.neodarznet.pipelines.NeodarznetPipeline': 0 + } + } + allow_domains = ['neodarz.net'] + + datas = Neodarznet.select(Neodarznet.url).dicts() + datas_array = [] + for value in datas: + datas_array.append(value['url']) + start_urls = datas_array + + def start_requests(self): + for url in self.start_urls: + logging.info(url) + try: + page = Neodarznet.get(Neodarznet.url == url) + if page.date_updated < datetime.datetime.now()+relativedelta(weeks=-1): + yield scrapy.Request(url, callback=self.parse_url, dont_filter=True) + except Neodarznet.DoesNotExist: + yield scrapy.Request(url, callback=self.parse_url, dont_filter=True) + continue + + def parse_url(self, response): + sel = Selector(response) + yield { + 'url': response.url, + 'title': response.css('title::text').extract_first(), + 'content': ''.join(sel.select("//div[@class='bodya']//text()").extract()).strip(), + 'content_length': len(response.body), + 'date_updated': datetime.datetime.now() + } |