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#!/usr/bin/env python3
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[0]
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)))
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