Scrapy 1.4 Documentation
XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes could be a problem for big feeds It defaults to: 'iternodes'. itertag A string with the name of the node (or element) to iterate in. Example: itertag = 'product' namespaces A list of (prefix, uri) tuples or another one). parse_node(response, selector) This method is called for the nodes matching the provided tag name (itertag). Receives the response and an Selector for each node. Overriding this method0 码力 | 394 页 | 589.10 KB | 1 年前3Scrapy 0.24 Documentation
nodes in the document structure. So, the first instantiated selectors are associated with the root node, or the entire document. Selectors have four basic methods (click on the method to see the complete call returns a list of selectors, so we can concatenate further .xpath() calls to dig deeper into a node. We are going to use that property here, so: for sel in response.xpath('//ul/li'): title = sel.xpath('a/text()') XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes0 码力 | 222 页 | 988.92 KB | 1 年前3Scrapy 0.24 Documentation
nodes in the document structure. So, the first instantiated selectors are associated with the root node, or the entire document. Selectors have four basic methods (click on the method to see the complete call returns a list of selectors, so we can concatenate further .xpath() calls to dig deeper into a node. We are going to use that property here, so: for sel in response.xpath('//ul/li'): title = sel XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes0 码力 | 298 页 | 544.11 KB | 1 年前3Scrapy 1.0 Documentation
nodes in the document structure. So, the first instantiated selectors are associated with the root node, or the entire document. Selectors have four basic methods (click on the method to see the complete call returns a list of selectors, so we can concatenate further .xpath() calls to dig deeper into a node. We are going to use that property here, so: for sel in response.xpath('//ul/li'): title = sel.xpath('a/text()') XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes0 码力 | 244 页 | 1.05 MB | 1 年前3Scrapy 1.0 Documentation
nodes in the document structure. So, the first instantiated selectors are associated with the root node, or the entire document. Selectors have four basic methods (click on the method to see the complete call returns a list of selectors, so we can concatenate further .xpath() calls to dig deeper into a node. We are going to use that property here, so: for sel in response.xpath('//ul/li'): title = sel XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes0 码力 | 303 页 | 533.88 KB | 1 年前3Scrapy 1.6 Documentation
XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes Chapter 3. Basic concepts Scrapy Documentation, Release 1.6.0 itertag A string with the name of the node (or element) to iterate in. Example: itertag = 'product' namespaces A list of (prefix, uri) tuples or another one). parse_node(response, selector) This method is called for the nodes matching the provided tag name (itertag). Receives the response and an Selector for each node. Overriding this method0 码力 | 295 页 | 1.18 MB | 1 年前3Scrapy 1.8 Documentation
XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes could be a problem for big feeds It defaults to: 'iternodes'. itertag A string with the name of the node (or element) to iterate in. Example: itertag = 'product' namespaces A list of (prefix, uri) tuples or another one). parse_node(response, selector) This method is called for the nodes matching the provided tag name (itertag). Receives the response and an Selector for each node. Overriding this method0 码力 | 335 页 | 1.44 MB | 1 年前3Scrapy 1.2 Documentation
XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes could be a problem for big feeds It defaults to: 'iternodes'. itertag A string with the name of the node (or element) to iterate in. Example: itertag = 'product' namespaces A list of (prefix, uri) tuples or another one). parse_node(response, selector) This method is called for the nodes matching the provided tag name (itertag). Receives the response and an Selector for each node. Overriding this method0 码力 | 266 页 | 1.10 MB | 1 年前3Scrapy 1.1 Documentation
XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes could be a problem for big feeds It defaults to: 'iternodes'. itertag A string with the name of the node (or element) to iterate in. Example: itertag = 'product' namespaces A list of (prefix, uri) tuples Release 1.1.3 parse_node(response, selector) This method is called for the nodes matching the provided tag name (itertag). Receives the response and an Selector for each node. Overriding this method0 码力 | 260 页 | 1.12 MB | 1 年前3Scrapy 1.3 Documentation
XMLFeedSpider XMLFeedSpider is designed for parsing XML feeds by iterating through them by a certain node name. The iterator can be chosen from: iternodes, xml, and html. It’s recommended to use the iternodes could be a problem for big feeds It defaults to: 'iternodes'. itertag A string with the name of the node (or element) to iterate in. Example: itertag = 'product' namespaces A list of (prefix, uri) tuples Release 1.3.3 parse_node(response, selector) This method is called for the nodes matching the provided tag name (itertag). Receives the response and an Selector for each node. Overriding this method0 码力 | 272 页 | 1.11 MB | 1 年前3
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