#!/usr/bin/python -u import libxml2 import sys

ARG = 'test string'

class ErrorHandler:

def __init__(self):
    self.errors = []

def handler(self, msg, data):
    if data != ARG:
        raise Exception("Error handler did not receive correct argument")
    self.errors.append(msg)

# Memory debug specific libxml2.debugMemory(1)

schema=“”“<?xml version=”1.0“?> <element name=”foo“

       xmlns="http://relaxng.org/ns/structure/1.0"
       xmlns:a="http://relaxng.org/ns/annotation/1.0"
       xmlns:ex1="http://www.example.com/n1"
       xmlns:ex2="http://www.example.com/n2">
<a:documentation>A foo element.</a:documentation>
<element name="ex1:bar1">
  <empty/>
</element>
<element name="ex2:bar2">
  <empty/>
</element>

</element> “”“

valid=“”“<?xml version=”1.0“?> <foo><pre1:bar1 xmlns:pre1=”www.example.com/n1“/> xmlns:pre2=”www.example.com/n2“/>>”“”

invalid=“”“<?xml version=”1.0“?> <foo><pre1:bar1 xmlns:pre1=”badwww.example.com/n1“>bad xmlns:pre2=”www.example.com/n2“/>>”“”

rngp = libxml2.relaxNGNewMemParserCtxt(schema, len(schema)) rngs = rngp.relaxNGParse() ctxt = rngs.relaxNGNewValidCtxt() e = ErrorHandler() ctxt.setValidityErrorHandler(e.handler, e.handler, ARG)

# Test valid document doc = libxml2.parseDoc(valid) ret = doc.relaxNGValidateDoc(ctxt) if ret != 0 or e.errors:

print("error doing RelaxNG validation")
sys.exit(1)

doc.freeDoc()

# Test invalid document doc = libxml2.parseDoc(invalid) ret = doc.relaxNGValidateDoc(ctxt) if ret == 0 or not e.errors:

print("Error: document supposed to be RelaxNG invalid")
sys.exit(1)

doc.freeDoc()

del rngp del rngs del ctxt libxml2.relaxNGCleanupTypes()

# Memory debug specific libxml2.cleanupParser() if libxml2.debugMemory(1) == 0:

print("OK")

else:

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