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#!/usr/bin/env python
#
# verify_schema.py: simple LXML wrapper for checking XML against
# a RelaxNG schema.
#
# Copyright (C) 2014 VyOS Development Group <maintainers@vyos.net>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
# USA
import sys
from lxml import etree as ET
if len(sys.argv) < 2:
print("Usage: {0} <RelaxNG schema file> <XML file>".format(sys.argv[0]))
sys.exit(1)
schema = sys.argv[1]
xml_source = sys.argv[2]
xml_tree = ET.parse(xml_source)
relaxng_xml = ET.parse(schema)
validator = ET.RelaxNG(relaxng_xml)
if not validator.validate(xml_tree):
print(validator.error_log)
print("File {0} does not match the schema!".format(xml_source))
sys.exit(1)
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