kc3-lang/libxml2/python/tests/xpathleak.py
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Hash : bf4a8f0e
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Date : 2013-04-02T10:27:57
Fix python bindings with versions older than 2.7 Need fixing on the Capsule usage, the lack of PyBytes, lack of io module and the way to access exception details.
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python/tests/xpathleak.py
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#!/usr/bin/python import sys, libxml2 libxml2.debugMemory(True) expect="""--> Invalid expression --> xmlXPathEval: evaluation failed --> Invalid expression --> xmlXPathEval: evaluation failed --> Invalid expression --> xmlXPathEval: evaluation failed --> Invalid expression --> xmlXPathEval: evaluation failed --> Invalid expression --> xmlXPathEval: evaluation failed --> Invalid expression --> xmlXPathEval: evaluation failed --> Invalid expression --> xmlXPathEval: evaluation failed --> Invalid expression --> xmlXPathEval: evaluation failed --> Invalid expression --> xmlXPathEval: evaluation failed --> Invalid expression --> xmlXPathEval: evaluation failed """ err="" def callback(ctx, str): global err err = err + "%s %s" % (ctx, str) libxml2.registerErrorHandler(callback, "-->") doc = libxml2.parseDoc("<fish/>") ctxt = doc.xpathNewContext() ctxt.setContextNode(doc) badexprs = ( ":false()", "bad:()", "bad(:)", ":bad(:)", "bad:(:)", "bad:bad(:)", "a:/b", "/c:/d", "//e:/f", "g://h" ) for expr in badexprs: try: ctxt.xpathEval(expr) except libxml2.xpathError: pass else: print("Unexpectedly legal expression:", expr) ctxt.xpathFreeContext() doc.freeDoc() if err != expect: print("error") print("received %s" %(err)) print("expected %s" %(expect)) sys.exit(1) libxml2.cleanupParser() leakedbytes = libxml2.debugMemory(True) if leakedbytes == 0: print("OK") else: print("Memory leak", leakedbytes, "bytes") # drop file to .memdump file in cwd, but won't work if not compiled in libxml2.dumpMemory()