def pgf_parse(args):
grammar = pgf.readPGF(args.pgfgrammar);
import translation_pipeline;
preprocessor = lexer();
inputSet = translation_pipeline.web_lexer(grammar, args.srclang, imap(preprocessor, args.inputstream) );
outputPrinter = lambda X: "%f\t%s" %(X[0], str(X[1])); #operator.itemgetter(1);
callbacks = [('PN', translation_pipeline.parseNames(grammar, args.srclang)), ('Symb', translation_pipeline.parseUnknown(grammar, args.srclang))];
parser = getKBestParses(grammar, args.srclang, 1, callbacks);
sentidx = 0;
for time, parsesBlock in imap(parser, inputSet):
sentidx += 1;
print >>args.outputstream, "%d\t%f\t%s" %(sentidx, time, str(outputPrinter(parsesBlock[0])) if len(parsesBlock) else '');
return;
def pgf_kparse(args):
grammar = pgf.readPGF(args.pgfgrammar);
import translation_pipeline;
preprocessor = lexer();
inputSet = translation_pipeline.web_lexer(grammar, args.srclang, imap(preprocessor, args.inputstream) );
outputPrinter = printJohnsonRerankerFormat;
callbacks = [('PN', translation_pipeline.parseNames(grammar, args.srclang)), ('Symb', translation_pipeline.parseUnknown(grammar, args.srclang))];
parser = getKBestParses(grammar, args.srclang, args.K, callbacks=callbacks);
sentidx = 0;
for time, parsesBlock in imap(parser, inputSet):
sentidx += 1;
strParses = str(outputPrinter(parsesBlock));
if not (strParses == '\n'):
print >>args.outputstream, strParses;
return;
def pgf_kparse(args):
grammar = pgf.readPGF(args.pgfgrammar)
import translation_pipeline
preprocessor = lexer()
inputSet = translation_pipeline.web_lexer(
grammar, args.srclang, imap(preprocessor, args.inputstream))
outputPrinter = printJohnsonRerankerFormat
callbacks = [('PN', translation_pipeline.parseNames(grammar,
args.srclang)),
('Symb',
translation_pipeline.parseUnknown(grammar, args.srclang))]
parser = getKBestParses(grammar, args.srclang, args.K, callbacks=callbacks)
sentidx = 0
for time, parsesBlock in imap(parser, inputSet):
sentidx += 1
strParses = str(outputPrinter(parsesBlock))
if not (strParses == '\n'):
print >> args.outputstream, strParses
return
def pgf_parse(args):
grammar = pgf.readPGF(args.pgfgrammar)
import translation_pipeline
preprocessor = lexer()
inputSet = translation_pipeline.web_lexer(
grammar, args.srclang, imap(preprocessor, args.inputstream))
outputPrinter = lambda X: "%f\t%s" % (X[0], str(X[1]))
#operator.itemgetter(1);
callbacks = [('PN', translation_pipeline.parseNames(grammar,
args.srclang)),
('Symb',
translation_pipeline.parseUnknown(grammar, args.srclang))]
parser = getKBestParses(grammar, args.srclang, 1, callbacks)
sentidx = 0
for time, parsesBlock in imap(parser, inputSet):
sentidx += 1
print >> args.outputstream, "%d\t%f\t%s" % (
sentidx, time,
str(outputPrinter(parsesBlock[0])) if len(parsesBlock) else '')
return
def worker(sentence):
sentence = sentence.strip();
curid = sentid.next();
tstart = time.time();
kBestParses = [];
parseScores = {};
if len(sentence.split()) > max_length:
tend, err = time.time(), "Sentence too long (%d tokens). Might potentially run out of memory" %(len(sentence.split()));
print >>sys.stderr, '%d\t%.4f\t%s' %(curid, tend-tstart, err);
return tend-tstart, kBestParses; # temporary hack to make sure parser does not get killed for very long sentences;
try:
callbacks = [('PN', translation_pipeline.parseNames(grammar, args.srclang, sentence)), ('Symb', translation_pipeline.parseUnknown(grammar, args.srclang, sentence))]
for parseidx, parse in enumerate( parser(sentence, heuristics=0, callbacks=callbacks) ):
parseScores[parse[0]] = True;
kBestParses.append( (parse[0], str(parse[1]) if serializable else parse[1]) );
if parseidx == K-1: break;
#if len(parseScores) >= K: break;
tend = time.time();
print >>sys.stderr, '%d\t%.4f' %(curid, tend-tstart);
return tend-tstart, kBestParses;
except pgf.ParseError, err:
tend = time.time();
print >>sys.stderr, '%d\t%.4f\t%s' %(curid, tend-tstart, err);
return tend-tstart, kBestParses;
