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Python validating xml parser
Ordered Dict(sorted(dict_of_errors.items())) return dict_of_errors # ======================================================================== # INVOKE TESTS FOR SINGLE SPECIFIED DIRECTORY THAT CONTAINS TEST FILES # ======================================================================== path = # path to directory where xml file is. rxp('some text') (('a', None, ['some text'], None)))RXP is based on the W3C XML 1.0 recommendation of 10th February 1998and the Namespaces recommendation of 14th January 1999.All three provide identical APIs in lxml, represented by validator classes with the obvious names.
Python validating xml parser
On Pyexpat page (https://docs.python.org/3.4/library/pyexpat.html? highlight=pyexpat#module-xml.parsers.expat) says that non-validating version of expat parser is used: "The xml.parsers.expat module is a Python interface to the Expat non-validating XML parser." Yet at the same time when you look into SAX documentation in Python you see all these handler functions for enabling DTD validation etc. However, according to this post Parsing XML Entity with python SAX can validate. I have reused the code from this post and can't get it to work I get error saying expat does not support validation: "File "/usr/lib/python3.4/xml/sax/expatreader.py", line 149, in set Feature "expat does not support validation") _exceptions.in Python/Django, I need to parse and objectify a file according to a given XMLSchema made of three files referring each other in such a way: schema3(referring schema1.xsd) schema2(referring schema1.xsd) schema1(referring schema2.xsd) xml schemas import For this I'm using the following piece of code which I've already tested being succesfull when used with a couple of xml/xsd files (where is "standalone" without refering others .xsd): import lxml import from lxml import etree, objectify from lxml.etree import XMLSyntax Error def xml_validator(request): # define path of files path_file_xml = '../myxmlfile.xml' path_file_xsd = '../schema3.xsd' # get file XML xml_file = open(path_file_xml, 'r') xml_string = xml_file.read() xml_file.close() # get XML Schema doc = etree.parse(path_file_xsd) schema = etree.XMLSchema(doc) #define parser parser = objectify.makeparser(schema=schema) # trasform XML file root = objectify.fromstring(xml_string, parser) test1 = return render(request, 'risultati.html', ) Request Method: GET Request URL: Django Version: 1.9.1 Exception Type: XMLSchema Parse Error Exception Value: complex type 'Object Type': The content model is not determinist., line 80 Any idea about that ?Deviationsfrom these recommendations should probably be considered as bugs.Apart from the built-in DTD support in parsers, lxml currently supports three schema languages: DTD, Relax NG and XML Schema.This is the code: import from import handler, make_parser, parse import os import collections class Sax Parser(): # initializer with directory part as argument def __init__(self, dir_path): self.dir_path = dir_path def test_each_file(self, file_path): # ensure full file name is shown rev = file_path[::-1] # reverse string file_path to access position of "/" file = file_path[-rev.index("/"):] try: f = open(file_path, 'r', encoding="ISO-8859-1") # same as "latin-1" encoding # see this for enabling validation: # https://stackoverflow.com/questions/6349513/parsing-xml-entity-with-python-xml-sax parser = make_parser() # default parser is expat Content Handler(handler.Content Handler()) Feature(handler.feature_namespaces, True) Feature(handler.feature_validation, True) Feature(handler.feature_external_ges, True) parser.parse(f) f.close() return (file, "OK") except This also enables correct handling of include files from within the Relax NG parser.You can then validate some Element Tree document against the schema.Again, no validation is performed unless explicitly requested.XML schema is supported in a similar way, but requires an explicit schema to be provided: As described above, the parser support for DTDs depends on internal or external subsets of the XML file.