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#!/usr/bin/env python

# -*- coding: utf-8 -*-

# validate.py

#

"""

Experimental code to validate XML against an XML Schema

"""

import os

import sys

from lxml import etree

# # re-zip tweaked version of expanded package into a .pptx file

# $ cd test # 'test' is the expanded package directory

# $ zip -rD -FS ../test-tweaked.pptx .

# ============================================================================

# Code templates

# ============================================================================

# xmlschema_doc = etree.parse('xsd/pml.xsd')

# xmlschema = etree.XMLSchema(xmlschema_doc)

# test_path = '../../../ar-fy-plans/test/ppt/slides'

#

# xmlschema = etree.XMLSchema(etree.parse('xsd/pml.xsd'))

#

# slide_path = os.path.join(test_path, 'slide1.xml')

# slide = etree.parse(slide_path)

# xmlschema.assert_(slide)

#

# sys.exit()

#

# for idx in range(1, 29):

# slideLayout_path = os.path.join(test_path, 'slideLayout%d.xml' % idx)

# sldLayout = etree.parse(slideLayout_path)

# xmlschema.assert_(sldLayout)

#

# sys.exit()

test_path = '../../../ar-fy-plans/test/ppt/slideLayouts'

xmlschema = etree.XMLSchema(etree.parse('xsd/pml.xsd')) # more compact form

for idx in range(1, 29):

print 'slideLayout%d.xml' % idx

slideLayout_path = os.path.join(test_path, 'slideLayout%d.xml' % idx)

sldLayout = etree.parse(slideLayout_path)

xmlschema.assert_(sldLayout)

sys.exit()

# assemble the necessary items

xmlschema = etree.XMLSchema(etree.parse('xsd/pml.xsd')) # more compact form

test_path = '../../../ar-fy-plans/test/ppt/slides'

slide_path = os.path.join(test_path, 'slide1.xml')

sld = etree.parse(slide_path) # should be ElementTree, not Element

# get valid True/False, no message

valid = xmlschema.validate(sld)

# print "valid => %s" % valid

# print out validation log for messages

# if not valid:

# log = xmlschema.error_log

# print type(log)

# print(log.last_error)

# if not valid:

for e in xmlschema.error_log:

print('%s:%s %s %s' % (e.filename, e.line, e.level_name, e.message))

# # raise an exception with validation error message if doesn't validate

# xmlschema.assertValid(sld)

# xmlschema.assert_(sld) # bit shorter error message

sys.exit()