#!/usr/bin/python -uimport libxml2import sys # Memory debug specificlibxml2.debugMemory(1) doc = libxml2.newDoc("1.0")comment = doc.newDocComment("This is a generated document")doc.addChild(comment)pi = libxml2.newPI("test", "PI content")doc.addChild(pi)root = doc.newChild(None, "doc", None)ns = root.newNs("http://example.com/doc", "my")root.setNs(ns)elem = root.newChild(None, "foo", "bar")elem.setBase("http://example.com/imgs")elem.setProp("img", "image.gif")doc.saveFile("tmp.xml")doc.freeDoc() doc = libxml2.parseFile("tmp.xml")comment = doc.childrenif comment.type != "comment" or \   comment.content != "This is a generated document":   print "error rereading comment"   sys.exit(1)pi = comment.nextif pi.type != "pi" or pi.name != "test" or pi.content != "PI content":   print "error rereading PI"   sys.exit(1)root = pi.nextif root.name != "doc":   print "error rereading root"   sys.exit(1)ns = root.ns()if ns.name != "my" or ns.content != "http://example.com/doc":   print "error rereading namespace"   sys.exit(1)elem = root.childrenif elem.name != "foo":   print "error rereading elem"   sys.exit(1)if elem.getBase(None) != "http://example.com/imgs":   print "error rereading base"   sys.exit(1)if elem.prop("img") != "image.gif":   print "error rereading property"   sys.exit(1) doc.freeDoc() # Memory debug specificlibxml2.cleanupParser()if libxml2.debugMemory(1) == 0:    print "OK"else:    print "Memory leak %d bytes" % (libxml2.debugMemory(1))    libxml2.dumpMemory()