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Scrapy 0.9 Documentation

href='image1.html'>Name: My image 1
Name: My image 2
Name: My image 3
Name: My image 4
Name: My image 5

and some image links: >>> hxs.select('//base/@href').extract() [u'http://example.com/'] >>> hxs.select('//a[contains(@href, "image")]/@href').extract() [u'image1.html', u'image2.html', u'image3.html'

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Scrapy 0.9 Documentation

id='images'> Name: My image 1

Name: My image 2

Name: html'>Name: My image 3

Name: My image 4

Name: My image 5

image5_thumb.jpg' />

First, let’s open the shell: scrapy-ctl.py shell http://doc.scrapy.org/_static/selectors- sample1.html Then, after the shell loads, you’ll have some

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Scrapy 0.22 Documentation

href=’image1.html’>Name: My image 1

image1_thumb.jpg’ /> image2.html’>Name: My image 2

image2_thumb.jpg’ /> image3.html’>Name: My image 3

image3_thumb.jpg’ /> image4.html’>Name: My image 4

image4_thumb.jpg’ /> image5.html’>Name: My image 5

image5_thumb.jpg’ />

some image links: >>> sel.xpath(’//base/@href’).extract() [u’http://example.com/’] >>> sel.css(’base::attr(href)’).extract() [u’http://example.com/’] >>> sel.xpath(’//a[contains(@href, "image")]/@href’)

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Scrapy 0.20 Documentation

href=’image1.html’>Name: My image 1

image1_thumb.jpg’ /> image2.html’>Name: My image 2

image2_thumb.jpg’ /> image3.html’>Name: My image 3

image3_thumb.jpg’ /> image4.html’>Name: My image 4

image4_thumb.jpg’ /> image5.html’>Name: My image 5

image5_thumb.jpg’ />

0 码力 | 197 页 | 917.28 KB | 1 年前

Scrapy 1.6 Documentation

href='image1.html'>Name: My image 1

nested data: >>> response.css('img').xpath('@src').getall() ['image1_thumb.jpg', 'image2_thumb.jpg', 'image3_thumb.jpg', 'image4_thumb.jpg', 'image5_thumb.jpg'] If you want to extract only the first matched

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Scrapy 0.14 Documentation

id='images'> Name: My image 1

Name: My image 2

Name: html'>Name: My image 3

Name: My image 4

Name: My image 5

image5_thumb.jpg' />

First, let’s open the shell: scrapy shell http://doc.scrapy.org/en/latest/_static/selectors- sample1.html Then, after the shell loads, you’ll have

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Scrapy 0.12 Documentation

href='image1.html'>Name: My image 1

and some image links: >>> hxs.select('//base/@href').extract() [u'http://example.com/'] >>> hxs.select('//a[contains(@href, "image")]/@href').extract() [u'image1.html', u'image2.html', u'image3.html'

0 码力 | 177 页 | 806.90 KB | 1 年前

Scrapy 0.12 Documentation

id='images'> Name: My image 1

Name: My image 2

Name: html'>Name: My image 3

Name: My image 4

Name: My image 5

image5_thumb.jpg' />

First, let’s open the shell: scrapy shell http://doc.scrapy.org/_static/selectors-sample1.html Then, after the shell loads, you’ll have some selectors

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Scrapy 0.9 Documentation

Scrapy 0.9 Documentation

Scrapy 0.22 Documentation

Scrapy 0.20 Documentation

Scrapy 1.6 Documentation

Scrapy 0.14 Documentation

Scrapy 0.12 Documentation

Scrapy 0.12 Documentation

Scrapy 0.14 Documentation

Scrapy 0.20 Documentation