Scrapy 1.4 Documentationmethod, calling it with the given arguments args and named arguments kwargs. Nonetheless, this method sets the crawler and settings attributes in the new instance so they can be accessed later inside the spider’s extract() [u'good'] For convenience, response objects expose a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation Regular expressions The test() function, for example, can prove quite useful when0 码力 | 394 页 | 589.10 KB | 1 年前3
Scrapy 0.24 Documentationextract() [u'good'] For convenience, response objects exposes a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation 42 Chapter 3. Basic concepts Scrapy Documentation, Release 0.24.6 Regular expressions using three built-in contracts: class scrapy.contracts.default.UrlContract This contract (@url) sets the sample url used when checking other contract conditions for this spider. This contract is mandatory0 码力 | 222 页 | 988.92 KB | 1 年前3
Scrapy 1.0 Documentationmethod, calling it with the given arguments args and named arguments kwargs. Nonetheless, this method sets the crawler and settings attributes in the new instance so they can be accessed later inside the spider’s extract() [u'good'] For convenience, response objects expose a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation Regular expressions The test() function, for example, can prove quite useful when0 码力 | 244 页 | 1.05 MB | 1 年前3
Scrapy 1.2 Documentationmethod, calling it with the given arguments args and named arguments kwargs. Nonetheless, this method sets the crawler and settings attributes in the new instance so they can be accessed later inside the spider’s extract() [u'good'] For convenience, response objects expose a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation Regular expressions The test() function, for example, can prove quite useful when0 码力 | 266 页 | 1.10 MB | 1 年前3
Scrapy 1.1 Documentationmethod, calling it with the given arguments args and named arguments kwargs. Nonetheless, this method sets the crawler and settings attributes in the new instance so they can be accessed later inside the spider’s extract() [u'good'] For convenience, response objects expose a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation Regular expressions The test() function, for example, can prove quite useful when0 码力 | 260 页 | 1.12 MB | 1 年前3
Scrapy 1.3 Documentationmethod, calling it with the given arguments args and named arguments kwargs. Nonetheless, this method sets the crawler and settings attributes in the new instance so they can be accessed later inside the spider’s extract() [u'good'] For convenience, response objects expose a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation Regular expressions The test() function, for example, can prove quite useful when0 码力 | 272 页 | 1.11 MB | 1 年前3
Scrapy 1.0 Documentationmethod, calling it with the given arguments args and named arguments kwargs. Nonetheless, this method sets the crawler and settings attributes in the new instance so they can be accessed later inside the spider’s extract() [u'good'] For convenience, response objects expose a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation Regular expressions The test() function, for example, can prove quite useful when0 码力 | 303 页 | 533.88 KB | 1 年前3
Scrapy 0.24 Documentationextract() [u'good'] For convenience, response objects exposes a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation Regular expressions The test() function for example can prove quite useful when using three built-in contracts: class scrapy.contracts.default.UrlContract This contract (@url) sets the sample url used when checking other contract conditions for this spider. This contract is mandatory0 码力 | 298 页 | 544.11 KB | 1 年前3
Scrapy 1.1 Documentationmethod, calling it with the given arguments args and named arguments kwargs. Nonetheless, this method sets the crawler and settings attributes in the new instance so they can be accessed later inside the spider’s extract() [u'good'] For convenience, response objects expose a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation Regular expressions The test() function, for example, can prove quite useful when0 码力 | 322 页 | 582.29 KB | 1 年前3
Scrapy 1.5 Documentationmethod, calling it with the given arguments args and named arguments kwargs. Nonetheless, this method sets the crawler and settings attributes in the new instance so they can be accessed later inside the spider’s extract() [u'good'] For convenience, response objects expose a selector on .selector attribute, it’s totally OK to use this shortcut when possible: >>> response.selector.xpath('//span/text()').extract() [u'good'] namespace usage re http://exslt.org/regular-expressions regular expressions set http://exslt.org/sets set manipulation Regular expressions The test() function, for example, can prove quite useful when0 码力 | 285 页 | 1.17 MB | 1 年前3
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