#!/usr/bin/python -u

import libxml2

import sys

# Memory debug specific

libxml2.debugMemory(1)

schema="""

<schema xmlns = "http://www.w3.org/2001/XMLSchema">

	<element name = "Customer">

		<complexType>

			<sequence>

				<element name = "FirstName" type = "string" />

				<element name = "MiddleInitial" type = "string" />

				<element name = "LastName" type = "string" />

			</sequence>

			<attribute name = "customerID" type = "integer" />

		</complexType>

	</element>

</schema>"""

instance="""

<Customer customerID = "24332">

	<FirstName>Raymond</FirstName>

	<MiddleInitial>G</MiddleInitial>

	<LastName>Bayliss</LastName>

</Customer>	

"""

ctxt_parser = libxml2.schemaNewMemParserCtxt(schema, len(schema))

ctxt_schema = ctxt_parser.schemaParse()

ctxt_valid  = ctxt_schema.schemaNewValidCtxt()

doc = libxml2.parseDoc(instance)

ret = doc.schemaValidateDoc(ctxt_valid)

if ret != 0:

    print("error doing schema validation")

    sys.exit(1)

doc.freeDoc()

del ctxt_parser

del ctxt_schema

del ctxt_valid

libxml2.schemaCleanupTypes()

# Memory debug specific

libxml2.cleanupParser()

if libxml2.debugMemory(1) == 0:

    print("OK")

else:

    print("Memory leak %d bytes" % (libxml2.debugMemory(1)))

    libxml2.dumpMemory()