[英]scrapy extract the url of image
如何使用python中的scrapy從網站獲取圖像URL。請幫助我。這是我的代碼
from scrapy.spiders import CrawlSpider, Rule
#from scrapy.linkextractors.lxmlhtml import LxmlLinkExtractor
from scrapy.contrib.linkextractors import LinkExtractor
from scrapy.item import Item, Field
class MyItem(Item):
url= Field()
class someSpider(CrawlSpider):
name = 'crawltest'
allowed_domains = ['bambeeq.com']
start_urls = ['http://www.bambeeq.com/']
rules = (Rule(LinkExtractor(allow=()), callback='parse_obj', follow=True),)
def parse_obj(self,response):
item = MyItem()
item['url'] = []
for link in LinkExtractor(allow=(),deny = self.allowed_domains).extract_links(response):
item['url'].append(link.url)
#item['image'].append(link.img)
return item
您正在提取鏈接(“ a”元素),而不是圖像(“ img”元素)。 嘗試這個:
# iterate over the list of images
for image in response.xpath('//img/@src').extract():
# make each one into a full URL and add to item[]
item['url'].append(response.urljoin(image))
yield item
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