Scrapy 2.10 Documentationinto a Python console running inside your Scrapy process, to introspect and debug your crawler • Plus other goodies like reusable spiders to crawl sites from Sitemaps and XML/CSV feeds, a media pipeline ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: 58 Chapter 3. Basic concepts Scrapy Documentation, Release 2.10.1 >>> sel Dictionaries As an item type, dict is convenient and familiar. Item objects Item provides a dict-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 419 页 | 1.73 MB | 1 年前3
Scrapy 2.7 Documentationinto a Python console running inside your Scrapy process, to introspect and debug your crawler • Plus other goodies like reusable spiders to crawl sites from Sitemaps and XML/CSV feeds, a media pipeline ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: >>> sel.xpath("//a[1]").getall() # select the first node ['Click Dictionaries As an item type, dict is convenient and familiar. Item objects Item provides a dict-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 401 页 | 1.67 MB | 1 年前3
Scrapy 2.9 Documentationinto a Python console running inside your Scrapy process, to introspect and debug your crawler • Plus other goodies like reusable spiders to crawl sites from Sitemaps and XML/CSV feeds, a media pipeline ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: >>> sel.xpath("//a[1]").getall() # select the first node ['Click Dictionaries As an item type, dict is convenient and familiar. Item objects Item provides a dict-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 409 页 | 1.70 MB | 1 年前3
Scrapy 2.8 Documentationinto a Python console running inside your Scrapy process, to introspect and debug your crawler • Plus other goodies like reusable spiders to crawl sites from Sitemaps and XML/CSV feeds, a media pipeline ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: >>> sel.xpath("//a[1]").getall() # select the first node ['Click Dictionaries As an item type, dict is convenient and familiar. Item objects Item provides a dict-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 405 页 | 1.69 MB | 1 年前3
Scrapy 2.11.1 Documentationinto a Python console running inside your Scrapy process, to introspect and debug your crawler • Plus other goodies like reusable spiders to crawl sites from Sitemaps and XML/CSV feeds, a media pipeline ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: >>> sel.xpath("//a[1]").getall() # select the first node ['Click Dictionaries As an item type, dict is convenient and familiar. Item objects Item provides a dict-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 425 页 | 1.76 MB | 1 年前3
Scrapy 2.11 Documentationinto a Python console running inside your Scrapy process, to introspect and debug your crawler • Plus other goodies like reusable spiders to crawl sites from Sitemaps and XML/CSV feeds, a media pipeline ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: >>> sel.xpath("//a[1]").getall() # select the first node ['Click Dictionaries As an item type, dict is convenient and familiar. Item objects Item provides a dict-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 425 页 | 1.76 MB | 1 年前3
Scrapy 2.11.1 Documentationinto a Python console running inside your Scrapy process, to introspect and debug your crawler • Plus other goodies like reusable spiders to crawl sites from Sitemaps and XML/CSV feeds, a media pipeline ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: >>> sel.xpath("//a[1]").getall() # select the first node ['Click Dictionaries As an item type, dict is convenient and familiar. Item objects Item provides a dict-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 425 页 | 1.79 MB | 1 年前3
Scrapy 2.7 Documentationhooking into a Python console running inside your Scrapy process, to introspect and debug your crawler Plus other goodies like reusable spiders to crawl sites from Sitemaps [https://www.sitemaps.org/index ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: >>> sel.xpath("//a[1]").getall() # select the first node ['Click Item objects Item provides a dict [https://docs.python.org/3/library/stdtypes.html#dict]-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 490 页 | 682.20 KB | 1 年前3
Scrapy 2.2 Documentationinto a Python console running inside your Scrapy process, to introspect and debug your crawler • Plus other goodies like reusable spiders to crawl sites from Sitemaps and XML/CSV feeds, a media pipeline ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: >>> sel.xpath("//a[1]").getall() # select the first node ['Click Dictionaries As an item type, dict is convenient and familiar. Item objects Item provides a dict-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 348 页 | 1.35 MB | 1 年前3
Scrapy 2.4 Documentationinto a Python console running inside your Scrapy process, to introspect and debug your crawler • Plus other goodies like reusable spiders to crawl sites from Sitemaps and XML/CSV feeds, a media pipeline ['Click here to go to the '] A node converted to a string, however, puts together the text of itself plus of all its descendants: >>> sel.xpath("//a[1]").getall() # select the first node ['Click Dictionaries As an item type, dict is convenient and familiar. Item objects Item provides a dict-like API plus additional features that make it the most feature-complete item type: class scrapy.item.Item([arg])0 码力 | 354 页 | 1.39 MB | 1 年前3
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