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📁 ..
📄 TODO(1.58 KB)
📄 apibuild.py(79.75 KB)
📄 attribs.py(819 B)
📄 build.py(1.51 KB)
📄 compareNodes.py(1.48 KB)
📄 ctxterror.py(1.29 KB)
📄 cutnpaste.py(1.26 KB)
📄 dtdvalid.py(619 B)
📄 error.py(1.04 KB)
📄 inbuf.py(498 B)
📄 index.py(32.14 KB)
📄 indexes.py(2.9 KB)
📄 input_callback.py(5.01 KB)
📄 libxml2class.txt(22.42 KB)
📄 nsdel.py(1.55 KB)
📄 outbuf.py(3.07 KB)
📄 push.py(769 B)
📄 pushSAX.py(1.46 KB)
📄 pushSAXhtml.py(1.57 KB)
📄 python.html(19.46 KB)
📄 reader.py(12.23 KB)
📄 reader2.py(5.22 KB)
📄 reader3.py(4.06 KB)
📄 reader4.py(1.15 KB)
📄 reader5.py(1.22 KB)
📄 reader6.py(2.61 KB)
📄 reader7.py(1.72 KB)
📄 reader8.py(683 B)
📄 readererr.py(1.25 KB)
📄 readernext.py(2.43 KB)
📄 regexp.py(716 B)
📄 relaxng.py(1.17 KB)
📄 resolver.py(857 B)
📄 schema.py(1.28 KB)
📄 serialize.py(4.18 KB)
📄 sync.py(3.44 KB)
📄 thread2.py(2.25 KB)
📄 tst.py(587 B)
📄 tstLastError.py(2.83 KB)
📄 tstURI.py(1.08 KB)
📄 tstmem.py(720 B)
📄 tstxpath.py(1.43 KB)
📄 validDTD.py(1.2 KB)
📄 validRNG.py(1.9 KB)
📄 validSchemas.py(2.02 KB)
📄 validate.py(1.68 KB)
📄 walker.py(2.35 KB)
📄 xpath.py(1.17 KB)
📄 xpathext.py(1.1 KB)
📄 xpathleak.py(1.53 KB)
📄 xpathns.py(552 B)
📄 xpathret.py(1.29 KB)

Editing: tstxpath.py

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

#memory debug specific
libxml2.debugMemory(1)

called = ""

def foo(ctx, x):
    global called

#
    # test that access to the XPath evaluation contexts
    #
    pctxt = libxml2.xpathParserContext(_obj=ctx)
    ctxt = pctxt.context()
    called = ctxt.function()
    return x + 1

def bar(ctxt, x):
    return "%d" % (x + 2)

doc = libxml2.parseFile("tst.xml")
ctxt = doc.xpathNewContext()
res = ctxt.xpathEval("//*")
if len(res) != 2:
    print("xpath query: wrong node set size")
    sys.exit(1)
if res[0].name != "doc" or res[1].name != "foo":
    print("xpath query: wrong node set value")
    sys.exit(1)
libxml2.registerXPathFunction(ctxt._o, "foo", None, foo)
libxml2.registerXPathFunction(ctxt._o, "bar", None, bar)
i = 10000
while i > 0:
    res = ctxt.xpathEval("foo(1)")
    if res != 2:
        print("xpath extension failure")
        sys.exit(1)
    i = i - 1
i = 10000
while i > 0:
    res = ctxt.xpathEval("bar(1)")
    if res != "3":
        print("xpath extension failure got %s expecting '3'")
        sys.exit(1)
    i = i - 1
doc.freeDoc()
ctxt.xpathFreeContext()

if called != "foo":
    print("xpath function: failed to access the context")
    print("xpath function: %s" % (called))
    sys.exit(1)

#memory debug specific
libxml2.cleanupParser()
if libxml2.debugMemory(1) == 0:
    print("OK")
else:
    print("Memory leak %d bytes" % (libxml2.debugMemory(1)))
    libxml2.dumpMemory()

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Editing: tstxpath.py

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