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#!/usr/bin/env python
import os, sys
from optparse import OptionParser
from lxml import etree
def main():
#Setup usage and permitted options
usage = "usage: %prog [options] filename"
parser = OptionParser(usage=usage)
parser.add_option("-s", "--schema",
dest="schema",
help="specify schema to validate FILE against")
parser.add_option("-v", "--verbose",
action="store_true", dest="verbose", default=False,
help="show extra information (including why validation fails)")
(options, args) = parser.parse_args()
xmlfiles = []
for arg in args:
if not os.path.isfile(arg):
print "File %s does not exist. Removing from list" % arg
else:
xmlfiles.append(arg)
#Ensure that at least one file has been supplied to validate
if len(xmlfiles) < 1:
parser.error("must supply at least one file to validate")
#If a specific schema has been passed, ensure the file exists
if options.schema:
if os.path.isfile(options.schema):
schemas = [options.schema]
else:
parser.error("Schema specified must exist")
else:
schemas = ["Topografix_gpx11.xsd", "Cluetrust_gpxdata10.xsd", "GarminTrainingCenterDatabase_v1.xsd", "GarminTrainingCenterDatabase_v2.xsd"]
for schema in schemas:
print "Validating against schema: %s" % schema
#Parse XML schema
xmlschema_doc = etree.parse(schema)
xmlschema = etree.XMLSchema(xmlschema_doc)
#Load an XML file and try to validate it
for xmlfile in xmlfiles:
xmldoc = etree.parse(xmlfile)
if (xmlschema.validate(xmldoc)):
print "\033[0;32mFile %s validates against %s\033[m" % (xmlfile, schema)
else:
print "\033[0;31mFile %s does not validate against %s\033[m" % (xmlfile, schema)
if options.verbose:
log = xmlschema.error_log
error = log.last_error
print error
if __name__ == "__main__":
main()
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