Examples with NullOutputStream edu.stanford.nlp.io.NullOutputStream used on opensource projects

Example 1 with NullOutputStream

use of edu.stanford.nlp.io.NullOutputStream in project CoreNLP by stanfordnlp.

the class EvaluateTreebank method testOnTreebank.

/** Test the parser on a treebank. Parses will be written to stdout, and
   *  various other information will be written to stderr and stdout,
   *  particularly if <code>op.testOptions.verbose</code> is true.
   *
   *  @param testTreebank The treebank to parse
   *  @return The labeled precision/recall F<sub>1</sub> (EVALB measure)
   *          of the parser on the treebank.
   */
public double testOnTreebank(Treebank testTreebank) {
    log.info("Testing on treebank");
    Timing treebankTotalTimer = new Timing();
    TreePrint treePrint = op.testOptions.treePrint(op.tlpParams);
    TreebankLangParserParams tlpParams = op.tlpParams;
    TreebankLanguagePack tlp = op.langpack();
    PrintWriter pwOut, pwErr;
    if (op.testOptions.quietEvaluation) {
        NullOutputStream quiet = new NullOutputStream();
        pwOut = tlpParams.pw(quiet);
        pwErr = tlpParams.pw(quiet);
    } else {
        pwOut = tlpParams.pw();
        pwErr = tlpParams.pw(System.err);
    }
    if (op.testOptions.verbose) {
        pwErr.print("Testing ");
        pwErr.println(testTreebank.textualSummary(tlp));
    }
    if (op.testOptions.evalb) {
        EvalbFormatWriter.initEVALBfiles(tlpParams);
    }
    PrintWriter pwFileOut = null;
    if (op.testOptions.writeOutputFiles) {
        String fname = op.testOptions.outputFilesPrefix + "." + op.testOptions.outputFilesExtension;
        try {
            pwFileOut = op.tlpParams.pw(new FileOutputStream(fname));
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
    PrintWriter pwStats = null;
    if (op.testOptions.outputkBestEquivocation != null) {
        try {
            pwStats = op.tlpParams.pw(new FileOutputStream(op.testOptions.outputkBestEquivocation));
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
    if (op.testOptions.testingThreads != 1) {
        MulticoreWrapper<List<? extends HasWord>, ParserQuery> wrapper = new MulticoreWrapper<>(op.testOptions.testingThreads, new ParsingThreadsafeProcessor(pqFactory, pwErr));
        LinkedList<Tree> goldTrees = new LinkedList<>();
        for (Tree goldTree : testTreebank) {
            List<? extends HasWord> sentence = getInputSentence(goldTree);
            goldTrees.add(goldTree);
            pwErr.println("Parsing [len. " + sentence.size() + "]: " + SentenceUtils.listToString(sentence));
            wrapper.put(sentence);
            while (wrapper.peek()) {
                ParserQuery pq = wrapper.poll();
                goldTree = goldTrees.poll();
                processResults(pq, goldTree, pwErr, pwOut, pwFileOut, pwStats, treePrint);
            }
        }
        // for tree iterator
        wrapper.join();
        while (wrapper.peek()) {
            ParserQuery pq = wrapper.poll();
            Tree goldTree = goldTrees.poll();
            processResults(pq, goldTree, pwErr, pwOut, pwFileOut, pwStats, treePrint);
        }
    } else {
        ParserQuery pq = pqFactory.parserQuery();
        for (Tree goldTree : testTreebank) {
            final List<CoreLabel> sentence = getInputSentence(goldTree);
            pwErr.println("Parsing [len. " + sentence.size() + "]: " + SentenceUtils.listToString(sentence));
            pq.parseAndReport(sentence, pwErr);
            processResults(pq, goldTree, pwErr, pwOut, pwFileOut, pwStats, treePrint);
        }
    // for tree iterator
    }
    //Done parsing...print the results of the evaluations
    treebankTotalTimer.done("Testing on treebank");
    if (op.testOptions.quietEvaluation) {
        pwErr = tlpParams.pw(System.err);
    }
    if (saidMemMessage) {
        ParserUtils.printOutOfMemory(pwErr);
    }
    if (op.testOptions.evalb) {
        EvalbFormatWriter.closeEVALBfiles();
    }
    if (numSkippedEvals != 0) {
        pwErr.printf("Unable to evaluate %d parser hypotheses due to yield mismatch\n", numSkippedEvals);
    }
    // only created here so we know what parser types are supported...
    ParserQuery pq = pqFactory.parserQuery();
    if (summary) {
        if (pcfgLB != null)
            pcfgLB.display(false, pwErr);
        if (pcfgChildSpecific != null)
            pcfgChildSpecific.display(false, pwErr);
        if (pcfgLA != null)
            pcfgLA.display(false, pwErr);
        if (pcfgCB != null)
            pcfgCB.display(false, pwErr);
        if (pcfgDA != null)
            pcfgDA.display(false, pwErr);
        if (pcfgTA != null)
            pcfgTA.display(false, pwErr);
        if (pcfgLL != null && pq.getPCFGParser() != null)
            pcfgLL.display(false, pwErr);
        if (depDA != null)
            depDA.display(false, pwErr);
        if (depTA != null)
            depTA.display(false, pwErr);
        if (depLL != null && pq.getDependencyParser() != null)
            depLL.display(false, pwErr);
        if (factLB != null)
            factLB.display(false, pwErr);
        if (factChildSpecific != null)
            factChildSpecific.display(false, pwErr);
        if (factLA != null)
            factLA.display(false, pwErr);
        if (factCB != null)
            factCB.display(false, pwErr);
        if (factDA != null)
            factDA.display(false, pwErr);
        if (factTA != null)
            factTA.display(false, pwErr);
        if (factLL != null && pq.getFactoredParser() != null)
            factLL.display(false, pwErr);
        if (pcfgCatE != null)
            pcfgCatE.display(false, pwErr);
        for (Eval eval : evals) {
            eval.display(false, pwErr);
        }
        for (BestOfTopKEval eval : topKEvals) {
            eval.display(false, pwErr);
        }
    }
    // these ones only have a display mode, so display if turned on!!
    if (pcfgRUO != null)
        pcfgRUO.display(true, pwErr);
    if (pcfgCUO != null)
        pcfgCUO.display(true, pwErr);
    if (tsv) {
        NumberFormat nf = new DecimalFormat("0.00");
        pwErr.println("factF1\tfactDA\tfactEx\tpcfgF1\tdepDA\tfactTA\tnum");
        if (factLB != null)
            pwErr.print(nf.format(factLB.getEvalbF1Percent()));
        pwErr.print("\t");
        if (pq.getDependencyParser() != null && factDA != null)
            pwErr.print(nf.format(factDA.getEvalbF1Percent()));
        pwErr.print("\t");
        if (factLB != null)
            pwErr.print(nf.format(factLB.getExactPercent()));
        pwErr.print("\t");
        if (pcfgLB != null)
            pwErr.print(nf.format(pcfgLB.getEvalbF1Percent()));
        pwErr.print("\t");
        if (pq.getDependencyParser() != null && depDA != null)
            pwErr.print(nf.format(depDA.getEvalbF1Percent()));
        pwErr.print("\t");
        if (pq.getPCFGParser() != null && factTA != null)
            pwErr.print(nf.format(factTA.getEvalbF1Percent()));
        pwErr.print("\t");
        if (factLB != null)
            pwErr.print(factLB.getNum());
        pwErr.println();
    }
    double f1 = 0.0;
    if (factLB != null) {
        f1 = factLB.getEvalbF1();
    }
    //Close files (if necessary)
    if (pwFileOut != null)
        pwFileOut.close();
    if (pwStats != null)
        pwStats.close();
    if (parserQueryEvals != null) {
        for (ParserQueryEval parserQueryEval : parserQueryEvals) {
            parserQueryEval.display(false, pwErr);
        }
    }
    return f1;
}