C validating xml dtd
Pass an Element Tree object to construct a XMLSchema validator: Since version 2.0, lxml.etree features Schematron support, using the class lxml.etree.
Document Builder, to represent classes that can parse XML files into document objects described in the Document Object Model (DOM). The document builder also supports DTD validation during the parsing process.
To do this: /* - Copyright (c) 2014, Herong Yang.com, All Rights Reserved.
Error: Public ID: null System ID: file:/C:/herong/xml/invalid_Line number: 33 Column number: 9 Message: The content of element type "word" must match "(update? Error: Public ID: null System ID: file:/C:/herong/xml/invalid_Line number: 35 Column number: 33 Message: Attribute "date" is required and must be specified for element type "update".
As long as the information required for a purchase order is included, likely any XML document you could create would be a valid XML document for the purpose. Y uses the three XML documents above, or your XML document, for order processing.
The following are three XML document examples, created by three different individuals. Even a simple request to create an XML document to serve as a purchase order to be sent to Mr. Error: Public ID: null System ID: file:/C:/herong/xml/invalid_Line number: 30 Column number: 26 Message: Attribute "is_acronym" with value "yes" must have a value from the list "true false ". Default Handler; class DOMValidator Error: Public ID: null System ID: file:/C:/herong/xml/invalid_Line number: 24 Column number: 41 Message: Attribute "language" must be declared for element type "name".The parser in lxml can do on-the-fly validation of a document against a DTD or an XML schema.The DTD is retrieved automatically based on the DOCTYPE of the parsed document.