#!/usr/bin/python -u import sys import libxml2
memory debug specific libxml2.debugMemory(1)
# # A document hosting the nodes returned from the extension function # mydoc = libxml2.newDoc(“1.0”)
def foo(ctx, str):
global mydoc # # test returning a node set works as expected # parent = mydoc.newDocNode(None, 'p', None) mydoc.addChild(parent) node = mydoc.newDocText(str) parent.addChild(node) return [parent]
doc = libxml2.parseFile(“tst.xml”) ctxt = doc.xpathNewContext() libxml2.registerXPathFunction(ctxt._o, “foo”, None, foo) res = ctxt.xpathEval(“foo('hello')”) if type(res) != type([]):
print("Failed to return a nodeset") sys.exit(1)
if len(res) != 1:
print("Unexpected nodeset size") sys.exit(1)
node = res if node.name != 'p':
print("Unexpected nodeset element result") sys.exit(1)
node = node.children if node.type != 'text':
print("Unexpected nodeset element children type") sys.exit(1)
if node.content != 'hello':
print("Unexpected nodeset element children content") sys.exit(1)
doc.freeDoc() mydoc.freeDoc() ctxt.xpathFreeContext()
memory debug specific libxml2.cleanupParser() if libxml2.debugMemory(1) == 0:
print("OK")
else:
print("Memory leak %d bytes" % (libxml2.debugMemory(1))) libxml2.dumpMemory()