Scrapy 2.10 Documentationfirst_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list • Syntax: scrapy list • Requires project: yes List all available spiders in the current response.css("img").attrib["src"] 'image1_thumb.jpg' This is most useful when only a single result is expected, e.g. when selecting by id, or selecting unique elements on a web page: >>> response.css("base") dictionary with attributes of a first matching element. It is convenient to use when a selector is expected to give a single result (e.g. when selecting by element ID, or when selecting an unique element0 码力 | 419 页 | 1.73 MB | 1 年前3
Scrapy 2.7 Documentationfirst_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list • Syntax: scrapy list • Requires project: yes List all available spiders in the current response.css('img').attrib['src'] 'image1_thumb.jpg' This is most useful when only a single result is expected, e.g. when selecting by id, or selecting unique elements on a web page: >>> response.css('base') dictionary with attributes of a first matching element. It is convenient to use when a selector is expected to give a single result (e.g. when selecting by element ID, or when selecting an unique element0 码力 | 401 页 | 1.67 MB | 1 年前3
Scrapy 2.9 Documentationfirst_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list • Syntax: scrapy list • Requires project: yes List all available spiders in the current response.css("img").attrib["src"] 'image1_thumb.jpg' This is most useful when only a single result is expected, e.g. when selecting by id, or selecting unique elements on a web page: >>> response.css("base") dictionary with attributes of a first matching element. It is convenient to use when a selector is expected to give a single result (e.g. when selecting by element ID, or when selecting an unique element0 码力 | 409 页 | 1.70 MB | 1 年前3
Scrapy 2.8 Documentationfirst_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list • Syntax: scrapy list • Requires project: yes List all available spiders in the current response.css('img').attrib['src'] 'image1_thumb.jpg' This is most useful when only a single result is expected, e.g. when selecting by id, or selecting unique elements on a web page: >>> response.css('base') dictionary with attributes of a first matching element. It is convenient to use when a selector is expected to give a single result (e.g. when selecting by element ID, or when selecting an unique element0 码力 | 405 页 | 1.69 MB | 1 年前3
Scrapy 2.6 Documentationfirst_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list • Syntax: scrapy list • Requires project: yes List all available spiders in the current response.css('img').attrib['src'] 'image1_thumb.jpg' This is most useful when only a single result is expected, e.g. when selecting by id, or selecting unique elements on a web page: >>> response.css('base') dictionary with attributes of a first matching element. It is convenient to use when a selector is expected to give a single result (e.g. when selecting by element ID, or when selecting an unique element0 码力 | 384 页 | 1.63 MB | 1 年前3
Scrapy 1.4 Documentationfirst_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list Syntax: scrapy list Requires project: yes List all available spiders in the current the parent ItemLoader so calls to add_xpath(), add_value(), replace_value(), etc. will behave as expected. nested_css(css) Create a nested loader with a css selector. The supplied selector is applied the parent ItemLoader so calls to add_xpath(), add_value(), replace_value(), etc. will behave as expected. get_collected_values(field_name) Return the collected values for the given field. get_output_value(field_name)0 码力 | 394 页 | 589.10 KB | 1 年前3
Scrapy 1.2 Documentationprompt window and reopen it so changes take effect, run the following command and check it shows the expected Python version: python --version • Install pywin32 from http://sourceforge.net/projects/pywin32/ first_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list • Syntax: scrapy list • Requires project: yes List all available spiders in the current the parent ItemLoader so calls to add_xpath(), add_value(), replace_value(), etc. will behave as expected. nested_css(css) Create a nested loader with a css selector. The supplied selector is applied0 码力 | 266 页 | 1.10 MB | 1 年前3
Scrapy 1.1 Documentationprompt window and reopen it so changes take effect, run the following command and check it shows the expected Python version: python --version • Install pywin32 from http://sourceforge.net/projects/pywin32/ first_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list • Syntax: scrapy list • Requires project: yes List all available spiders in the current the parent ItemLoader so calls to add_xpath(), add_value(), replace_value(), etc. will behave as expected. nested_css(css) Create a nested loader with a css selector. The supplied selector is applied0 码力 | 260 页 | 1.12 MB | 1 年前3
Scrapy 2.11.1 Documentationfirst_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list • Syntax: scrapy list • Requires project: yes List all available spiders in the current response.css("img").attrib["src"] 'image1_thumb.jpg' This is most useful when only a single result is expected, e.g. when selecting by id, or selecting unique elements on a web page: >>> response.css("base") dictionary with attributes of a first matching element. It is convenient to use when a selector is expected to give a single result (e.g. when selecting by element ID, or when selecting an unique element0 码力 | 425 页 | 1.76 MB | 1 年前3
Scrapy 2.11 Documentationfirst_spider:parse_item >>> 'RetailPricex' field is missing [FAILED] first_spider:parse >>> Returned 92 requests, expected 0..4 list • Syntax: scrapy list • Requires project: yes List all available spiders in the current response.css("img").attrib["src"] 'image1_thumb.jpg' This is most useful when only a single result is expected, e.g. when selecting by id, or selecting unique elements on a web page: >>> response.css("base") dictionary with attributes of a first matching element. It is convenient to use when a selector is expected to give a single result (e.g. when selecting by element ID, or when selecting an unique element0 码力 | 425 页 | 1.76 MB | 1 年前3
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