Usually when HTML is parsed the document is saved with the HTML serializer, but with this option the resulting document is saved with the XML serializer.
The piece of XML to validate is specified in the constructor.The constructors using more than a single argument are only relevant if you want to validate against a DTD and need to provide the location of the DTD itself - for details see the next section.Validates the XML string/file against the specified XSD string/file.XSD files are "XML Schemas" that describe the structure of a XML document. The xmlval and xmldtd modules let you validate XML docs against an external DTD file.
This is a simple, straightforward recipe that illustrates how to use the xmlval and xmldtd modules for validated XML parsing.It would be very very odd if you would load a DTD in variable 'p', not use that variable in any way and python will magically know that that is the DTD you want to validate with. /usr/bin/env python from xml.parsers.xmlproc import xmlproc from xml.parsers.xmlproc import xmlval from xml.parsers.xmlproc import xmldtd def validate_xml(xml_filename, dtd_filename): """Validate a given XML file with a given external DTD.If the XML file is not valid, an error message will be printed to sys.stderr, and the program will be terminated with a non-zero exit code. """ dtd = xmldtd.load_dtd(dtd_filename) parser = xmlproc. Validating App(dtd, parser)) = dtd = dtd # If you want to override error handling, subclass # xml.parsers.xmlproc.xmlapp.Used to exercise the pattern recognition engine, which can be used with the reader interface to the parser.It allows to select some nodes in the document based on an XPath (subset) expression. By default, Input Source is = new Input Source(new File Input Stream(my Xml Document)); Validator v = new Validator(is); XMLSchema(true); JAXP12Schema Source(new File(my Xml Schema File)); boolean is Valid = Valid(); designed for validations of snippets of XML against different schema languages.