validateDataModel.py

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# file the following copyright and licenses apply:
#
# Copyright 2016 RDK Management
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# Python script to validate xml file with its corresponsding xsd schema
 
import sys
from lxml import etree
 
# Python-lxml utility class for validating xml file with xsd schema
class Validator:
    def __init__(self,xsd_path):
        xmlschema_doc = etree.parse(xsd_path)
        self.xmlschema = etree.XMLSchema(xmlschema_doc)
 
    def validate(self, xml_path) :
        xml_doc = etree.parse(xml_path)
        result = self.xmlschema.validate(xml_doc)
        if not result:
            for error in self.xmlschema.error_log:
                print (error.message, error.line, error.column)
        return result
 
 
# Validate xml based on cwmp xsd file
if len (sys.argv) != 3 :
    print ('Usage: python validateDataModel.py <XML_FILE_PATH> <XSD_FILE_PATH>')
    raise Exception ('Invalid arguments to validateDataModel.py')
else:
    xml_file_path=sys.argv[1]
    xsd_file_path=sys.argv[2]
    validator = Validator(xsd_file_path)
 
if validator.validate(xml_file_path):
    print('Data-model is valid')
else:
    print('data-model.xml is not valid');
    raise Exception('data-model.xml is not matching with the cwmp schema')