body of the response, or you can type response.headers to see its head- ers. The shell also pre-instantiate a selector for this response in variable sel, the selector automatically chooses the best parsing extract() print title, link, desc Notice we import our Selector class from scrapy.selector and instantiate a new Selector object. We can now specify our XPaths just as we did in the shell. Now try crawling 5.1 Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an dict-like object (e.g. Item or dict) or without one, in which case an

HtmlXPathSelector (for HTML data) and XmlXPathSelector (for XML data). In order to use them you must instantiate the desired class with a Response object. 12 Chapter 2. First steps Scrapy Documentation, Release 6.1 Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an dict-like object (e.g. Item or dict) or without one, in which case an currently active Context of this Item Loader. default_item_class An Item class (or factory), used to instantiate items when not given in the constructor. default_input_processor The default input processor

HtmlXPathSelector (for HTML data) and XmlXPathSelector (for XML data). In order to use them you must instantiate the desired class with a Response object. You can see selectors as objects that represent nodes 6.1 Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an dict-like object (e.g. Item or dict) or without one, in which case an currently active Context of this Item Loader. default_item_class An Item class (or factory), used to instantiate items when not given in the constructor. default_input_processor The default input processor

head- ers. 2.3. Scrapy Tutorial 13 Scrapy Documentation, Release 0.20.2 The shell also pre-instantiate a selector for this response in variable sel, the selector automatically chooses the best parsing 6.1 Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an dict-like object (e.g. Item or dict) or without one, in which case an currently active Context of this Item Loader. default_item_class An Item class (or factory), used to instantiate items when not given in the constructor. default_input_processor The default input processor

body of the response, or you can type response.headers to see its headers. The shell also pre-instantiate a selector for this response in variable sel, the selector automatically chooses the best parsing print title, link, desc Notice we import our Selector class from scrapy.selector and instantiate a new Selector object. We can now specify our XPaths just as we did in the shell. Now try crawling maintain. Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an dict-like object (e.g. Item or dict) or without one, in which case an

HtmlXPathSelector (for HTML data) and XmlXPathSelector (for XML data). In order to use them you must instantiate the desired class with a Response object. You can see selectors as objects that represent nodes maintain. Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an dict-like object (e.g. Item or dict) or without one, in which case an currently active Context of this Item Loader. default_item_class An Item class (or factory), used to instantiate items when not given in the constructor. default_input_processor The default input processor

body of the response, or you can type response.headers to see its headers. The shell also pre-instantiate a selector for this response in variable sel, the selector automatically chooses the best parsing maintain. Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an dict-like object (e.g. Item or dict) or without one, in which case an currently active Context of this Item Loader. default_item_class An Item class (or factory), used to instantiate items when not given in the constructor. default_input_processor The default input processor

HtmlXPathSelector (for HTML data) and XmlXPathSelector (for XML data). In order to use them you must instantiate the desired class with a Response object. You can see selectors as objects that represent nodes maintain. Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an dict-like object (e.g. Item or dict) or without one, in which case an currently active Context of this Item Loader. default_item_class An Item class (or factory), used to instantiate items when not given in the constructor. default_input_processor The default input processor

5.1 Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an dict-like object (e.g. Item or dict) or without one, in which case an currently active Context of this Item Loader. default_item_class An Item class (or factory), used to instantiate items when not given in the constructor. 3.5. Item Loaders 55 Scrapy Documentation, Release 0 There are two ways to instantiate the mail sender. You can instantiate it using the standard constructor: from scrapy.mail import MailSender mailer = MailSender() Or you can instantiate it passing a Scrapy

copy of an item, you can either call copy() on an existing item (product2 = product.copy()) or instantiate your item class from an existing item (product2 = Product(product)). To create a deep copy, call 5.1 Using Item Loaders to populate items To use an Item Loader, you must first instantiate it. You can either instantiate it with an item object or without one, in which case an item object is automatically currently active Context of this Item Loader. default_item_class An item class (or factory), used to instantiate items when not given in the __init__ method. default_input_processor The default input processor