def parse_job(self, response):
item_loader=LagouJobItemLoader(item=LagouJobItem(),response=response)
item_loader.add_value("url",response.url)
item_loader.add_value("url_object_id",get_md5(response.url))
item_loader.add_css("title",'.job-name::attr("title")')
salary=response.css('.job_request .salary::text').extract_first()
item_loader.add_value('salary_min',get_salary(salary).__getitem__(0))
item_loader.add_value('salary_max',get_salary(salary).__getitem__(1))
item_loader.add_xpath('job_city','//*[@class="job_request"]/p/span[2]/text()')
years=response.xpath('//*[@class="job_request"]/p/span[3]/text()').extract_first()
item_loader.add_value('work_years_min',get_year(years).__getitem__(0))
item_loader.add_value('work_years_max',get_year(years).__getitem__(1))
item_loader.add_xpath('degree_need','//*[@class="job_request"]/p/span[4]/text()')
item_loader.add_xpath('job_time','//*[@class="job_request"]/p/span[5]/text()')
item_loader.add_css('publish_time','.publish_time::text')
item_loader.add_xpath('tags','//*[@class="position-label clearfix"]/li/text()')
item_loader.add_xpath('job_advantage','//*[@class="job-advantage"]/p/text()')
item_loader.add_css('job_desc','.job_bt div')
item_loader.add_css('job_addr','.work_addr')
item_loader.add_css('company','#job_company dt a img::attr(alt)')
item_loader.add_css('company_url','#job_company dt a::attr(href)')
item_loader.add_value('crawl_time',datetime.now())
jobItem=item_loader.load_item()
return jobItem
def parse_detail(self, response):
# 通过ItemLoader来加载item
article_item = JobBoleArticleItem()
front_image_url = response.meta.get("front_image_url", "") # 文章封面图
item_loader = ArticleItemLoader(item=JobBoleArticleItem(),
response=response)
item_loader.add_css("title", ".entry-header h1::text")
item_loader.add_value("url", response.url)
item_loader.add_value("url_object_id", get_md5(response.url))
# item_loader.add_xpath("create_date","//p[@class='entry-meta-hide-on-mobile']/text()")
item_loader.add_css("create_date", "p.entry-meta-hide-on-mobile::text")
item_loader.add_value("front_image_url", [front_image_url])
item_loader.add_xpath(
"thumbsUp_nums",
"//span[contains(@class,'vote-post-up')]/h10/text()")
item_loader.add_xpath("comment_nums",
"//a[@href='#article-comment']/span/text()")
item_loader.add_xpath(
"fav_nums", "//span[contains(@class,'bookmark-btn')]/text()")
item_loader.add_xpath(
"tags", "//p[@class='entry-meta-hide-on-mobile']/a/text()")
item_loader.add_xpath("content", "//div[@class='entry']")
article_item = item_loader.load_item()
yield article_item
pass
def parse_job(self, response):
#解析拉勾网的职位
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
item_loader.add_css("title", ".job-name span::text")
item_loader.add_value("url", response.url)
item_loader.add_css("salary", ".salary::text")
item_loader.add_xpath("job_city",
"//*[@class='job_request']/p/span[2]/text()")
item_loader.add_xpath("work_years",
"//*[@class='job_request']/p/span[3]/text()")
item_loader.add_xpath("degree_need",
"//*[@class='job_request']/p/span[4]/text()")
item_loader.add_xpath("job_type",
"//*[@class='job_request']/p/span[5]/text()")
item_loader.add_css("publish_time", ".publish_time::text")
item_loader.add_css("job_advantage", ".job-advantage p::text")
item_loader.add_css("job_desc", ".job_bt div")
item_loader.add_css("job_addr", ".work_addr")
item_loader.add_css("tags", '.position-label li::text')
item_loader.add_css("company_url", "#job_company dt a::attr(href)")
item_loader.add_css("company_name", "#job_company dt a div h2::text")
item_loader.add_value("crawl_time", datetime.datetime.now())
item_loader.add_value("url_object_id", get_md5(response.url))
job_item = item_loader.load_item()
return job_item
def parse_detail(self, response):
# 通过css选择器提取字段
# title = response.css(".entry-header h1::text").extract()[0]
# create_date = response.css("p.entry-meta-hide-on-mobile::text").extract()[0].strip().replace("·","").strip()
# praise_nums = response.css(".vote-post-up h10::text").extract()[0]
# fav_nums = response.css(".bookmark-btn::text").extract()[0]
# match_re = re.match(".*?(\d\d+).*", fav_nums)
# if match_re:
# fav_nums = int(match_re.group(1))
# else:
# fav_nums = 0
#
# comment_nums = response.css("a[href='#article-comment'] span::text").extract()[0]
# match_re = re.match(".*?(\d\d+).*", comment_nums)
# if match_re:
# comment_nums = int(match_re.group(1))
# else:
# comment_nums = 0
#
# content = response.css("div.entry").extract()[0]
#
# tag_list = response.css("p.entry-meta-hide-on-mobile a::text").extract()
# tag_list = [element for element in tag_list if not element.strip().endswith("评论")]
# tags = ",".join(tag_list)
#
# article_item["url_object_id"] = get_md5(response.url)
# article_item["title"] = title
# article_item["url"] = response.url
# try:
# create_date = datetime.datetime.strptime(create_date, "%Y/%m/%d").date()
# except Exception as e:
# create_date = datetime.datetime.now().date()
# article_item["create_date"] = create_date
# article_item["front_image_url"] = [front_image_url]
# article_item["praise_nums"] = praise_nums
# article_item["comment_nums"] = comment_nums
# article_item["fav_nums"] = fav_nums
# article_item["tags"] = tags
# article_item["content"] = content
# item loader 加载item
front_image_url = response.meta.get("front_image_url", "") # 文章封面图
item_loader = ArticleItemLoader(item=JobBoleArticleItem(), response=response)
item_loader.add_css("title", ".entry-header h1::text")
item_loader.add_css("create_date", "p.entry-meta-hide-on-mobile::text")
item_loader.add_value("url", response.url)
item_loader.add_value("url_object_id", get_md5(response.url))
item_loader.add_value("front_image_url", [front_image_url])
item_loader.add_css("praise_nums", ".vote-post-up h10::text")
item_loader.add_css("fav_nums", "a[href='#article-comment'] span::text")
item_loader.add_css("comment_nums", ".bookmark-btn::text")
item_loader.add_css("tags", "a[href='#article-comment'] span::text")
item_loader.add_css("content", "div.entry")
article_item = item_loader.load_item()
yield article_item
def parse_detail(self, response):
item_loader = ImportNewItemLoader(item=InputNewItem(),
response=response)
item_loader.add_xpath('title', '//*[@class="entry-header"]/h1/text()')
item_loader.add_value('url', response.url)
item_loader.add_value('url_id', get_md5(response.url))
#待提取
item_loader.add_xpath(
'update_time', '//*[@class="entry-meta-hide-on-mobile"]/text()')
item_loader.add_xpath(
'category', '//*[@class="entry-meta-hide-on-mobile"]/a[1]/text()')
#从第2个 列表项开始
item_loader.add_css('tags', '.entry-meta-hide-on-mobile')
item_loader.add_css('content', '.entry')
importNewItem = item_loader.load_item()
yield importNewItem
def parse_detail(self, response):
item = ArticleItem()
item['url_object_id'] = get_md5(response.url)
item['front_image_url'] = [response.meta.get('front_image_url', '')]
item['post_url'] = response.url
item['description'] = response.meta.get('description', '') #默认为空
item['title'] = response.xpath(
'//div[@class="entry-header"]/h1/text()').extract()[0]
item['date'] = response.xpath(
'//p[@class="entry-meta-hide-on-mobile"]/text()').extract(
)[0].strip().replace('·', '').strip()
item['category'] = response.xpath(
'//p[@class="entry-meta-hide-on-mobile"]/a[@rel="category tag"]/text()'
).extract()[0]
fav_path = '//span[contains(@class, "vote-post-up")]/h10/text()'
item['fav_num'] = 0 if not response.xpath(fav_path).re('\d+') else int(
response.xpath(fav_path).re('\d+')[0])
collections_path = '//span[@class=" btn-bluet-bigger href-style bookmark-btn register-user-only "]/text()'
item['collections'] = 0 if not response.xpath(collections_path).re(
'\d+') else int(response.xpath(collections_path).re('\d+')[0])
comment_path = '//span[@class="btn-bluet-bigger href-style hide-on-480"]/text()'
item['comment'] = 0 if not response.xpath(comment_path).re(
'\d+') else int(response.xpath(comment_path).re('\d+')[0])
yield item
def parse_detail(self, response):
"""
提取文件具体字段
:param response:
:return:
"""
# jobble_item=JobboleArticleItem()
# #图片URL
# front_image_url=response.meta.get("front_image_url","")
# title = response.xpath('//*[@class="entry-header"]/h1/text()').extract_first("")
# create_date = response.xpath('//*[@class="entry-meta"]/p[1]/text()').extract()[0].strip().replace("·","").strip()
# content=response.xpath('//div[@class="entry"]').extract()[0]
# #文章标签
# classfiy_list=response.xpath('//p[@class="entry-meta-hide-on-mobile"]/a/text()').extract()
# classfiy_list = [tag for tag in classfiy_list if not tag.strip().endswith("评论")]
# tags = (",").join(classfiy_list)
# #赞数
# zan=int(response.xpath('//span[contains(@class,"vote-post-up")]/h10/text()').extract()[0])
# #评论
# remark=response.xpath('//span[contains(@class,"btn-bluet-bigger")]/text()').extract()[3]
# match_re=re.match(".*?(\d+).*",remark)
# if match_re:
# remark=int(match_re.group(1))
# else:
# remark=0
# #收藏
# collect=response.xpath('//span[contains(@class,"btn-bluet-bigger")]/text()').extract()[2]
# match_re = re.match(".*?(\d+).*", collect)
# if match_re:
# collect =int(match_re.group(1))
# else:
# collect=0
#
# # item赋值
# jobble_item["title"]=title
# jobble_item["url"]=response.url
# jobble_item["url_object_id"]=get_md5(response.url)
# try:
# create_date = datetime.datetime.strftime(create_date,"%Y/%m/%d").date()
# except Exception as e:
# create_date = datetime.datetime.now().date()
# jobble_item["create_date"]=create_date
# jobble_item["front_image_url"]=[front_image_url]
# jobble_item["zan"]=zan
# jobble_item["collect"]=collect
# jobble_item["remark"]=remark
# jobble_item["tags"]=tags
# jobble_item["content"]=content
# #jobble_item["autor"]=autor
#通过Itemloader加载item
#item_loader=ItemLoader(item=JobboleArticleItem(),response=response)
front_image_url = response.meta.get("front_image_url", "") # 文章封面图
item_loader = AriticleItemLoader(item=JobboleArticleItem(),
response=response)
item_loader.add_css("title", ".entry-header h1::text")
item_loader.add_value("url", response.url)
item_loader.add_value("url_object_id", get_md5(response.url))
item_loader.add_css("create_date", "p.entry-meta-hide-on-mobile::text")
item_loader.add_value("front_image_url", [front_image_url])
item_loader.add_css("zan", ".vote-post-up h10::text")
item_loader.add_css("remark", "a[href='#article-comment'] span::text")
item_loader.add_css("collect", ".bookmark-btn::text")
item_loader.add_css("tags", "p.entry-meta-hide-on-mobile a::text")
item_loader.add_css("content", "div.entry")
jobble_item = item_loader.load_item()
yield jobble_item
def parse_detail(self, response):
# item = JobBoleArticleItem()
# title=response.css('.entry-header h1::text').extract_first('')
# create_date=response.xpath('//p[@class="entry-meta-hide-on-mobile"]/text()').extract()[0].replace("·","").strip()
# praise_nums=response.xpath("//span[contains(@class,'vote-post-up')]/h10/text()").extract()[0]
# if praise_nums:
# praise_nums = int(praise_nums)
# else:
# praise_nums = 0
#
# #收藏
# fav_nums=response.xpath("//span[contains(@class,'bookmark-btn')]/text()").extract()[0]
# match_re=re.match(".*?(\d+).*",fav_nums)
# if match_re:
# fav_nums=int(match_re.group(1))
# else:
# fav_nums=0
#
# #评论
# comments_nums=response.xpath("//a[@href='#article-comment']/span/text()").extract()[0].replace('评论','').strip()
# if comments_nums:
# comments_nums = int(comments_nums)
# else:
# comments_nums = 0
#
# #正文
# content=response.xpath("//div[@class='grid-8']").extract()[0]
#
# #标签
# tag = response.xpath('//p[@class="entry-meta-hide-on-mobile"]/a/text()').extract()
# tag=[element for element in tag if not element.strip().endswith('评论')]
# tag='-'.join(tag)
#
# item['title']=title
# try:
# create_date = datetime.datetime.strptime(create_date,'%Y/%m/%d').date()
# except Exception as e:
# create_date = datetime.datetime.now().date()
# item['create_date'] = create_date
# item['praise_nums'] = praise_nums
# item['fav_nums'] = fav_nums
# item['comments_nums'] = comments_nums
# item['content'] = content
# item['tag'] = tag
# item['url'] = response.url
# item['url_object_id'] = get_md5(response.url)
# item['front_image_url'] = [front_image_url] #图片下载url应该为list类型
front_image_url = response.meta.get("front_image_url", "") # 文章封面图
#通过item Loader加载item
item_loader = ArticleItemLoader(item=JobBoleArticleItem(),
response=response)
item_loader.add_css('title', '.entry-header h1::text')
item_loader.add_xpath(
'create_date', '//p[@class="entry-meta-hide-on-mobile"]/text()')
item_loader.add_xpath(
'praise_nums',
"//span[contains(@class,'vote-post-up')]/h10/text()")
item_loader.add_xpath(
'fav_nums', "//span[contains(@class,'bookmark-btn')]/text()")
item_loader.add_xpath('comments_nums',
"//a[@href='#article-comment']/span/text()")
item_loader.add_xpath('content', "//div[@class='grid-8']")
item_loader.add_xpath(
'tag', '//p[@class="entry-meta-hide-on-mobile"]/a/text()')
item_loader.add_value("url", response.url)
item_loader.add_value("url_object_id", get_md5(response.url))
item_loader.add_value('front_image_url', front_image_url)
item_loader.add_value('front_image_path', "none")
item = item_loader.load_item()
yield item
def parse_detail(self, response):
item = JobboleArticleItem()
# 提取目标数据
# front_img_url = response.meta["front_img_url"]
front_image_url = response.meta.get("front_image_url",
"") # 文章封面图的URL，加入get方法，默认返回空值
title = response.css('div.entry-header h1::text').extract()[0]
release_date = response.css(
'p.entry-meta-hide-on-mobile ::text').extract()[0].replace(
' ·', '').strip()
tag = response.css('p.entry-meta-hide-on-mobile a::text').extract()
tags = ','.join(tag)
voteup_num = int(
response.css('span.vote-post-up h10::text').extract()[0])
collection_num = response.css('span.bookmark-btn::text').extract()[0]
collection_pattern = re.match('.*?(\d+).*', collection_num)
if collection_pattern:
collection_num = int(collection_pattern.group(1))
else:
collection_num = 0
comment_num = response.css(
'a[href="#article-comment"] span::text').extract()[0]
comment_pattern = re.match('.*?(\d+).*', comment_num)
if comment_pattern:
comment_num = int(comment_pattern.group(1))
else:
comment_num = 0
content = response.css('div.entry').extract()[0]
item["url_object_id"] = get_md5(response.url)
item['front_image_url'] = [front_image_url]
item['title'] = title
item['url'] = response.url
try:
release_date = datetime.datetime.strftime(release_date,
'%Y/%m/%d').date()
except Exception as e:
release_date = datetime.datetime.now().date()
item['release_date'] = release_date
item['tags'] = tags
item['voteup_num'] = voteup_num
item['collection_num'] = collection_num
item['comment_num'] = comment_num
item['content'] = content
# 通过item_loader加载item
item_loader = ItemLoader(item=JobboleArticleItem(), response=response)
item_loader.add_css("title", "div.entry-header h1::text")
# item_loader.add_xpath()
item_loader.add_value("url", response.url)
item_loader.add_value("url_object_id", get_md5(response.url))
item_loader.add_css("release_date",
"p.entry-meta-hide-on-mobile ::text")
item_loader.add_css("tag", "p.entry-meta-hide-on-mobile a::text")
item_loader.add_css("voteup_num", "span.vote-post-up h10::text")
item_loader.add_css("collection_num", "span.bookmark-btn::text")
item_loader.add_css("comment_num",
'a[href="#article-comment"] span::text')
item_loader.add_css("content", "div.entry")
yield item
