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Diffstat (limited to 'src/runtime/python/examples/gf_utils.py')
| -rw-r--r-- | src/runtime/python/examples/gf_utils.py | 576 |
1 files changed, 331 insertions, 245 deletions
diff --git a/src/runtime/python/examples/gf_utils.py b/src/runtime/python/examples/gf_utils.py index bb637cf04..2be326e0e 100644 --- a/src/runtime/python/examples/gf_utils.py +++ b/src/runtime/python/examples/gf_utils.py @@ -1,283 +1,369 @@ #!/usr/bin/env python +# Python 2 and 3 compatible +from __future__ import print_function + """ """ -import argparse, re, string, sys, time; -from itertools import imap, count; +import argparse, codecs, re, string, sys, time; +try: + from itertools import imap as map; + from itertools import count; +except ImportError: + from itertools import count; + pass; from operator import itemgetter; import pgf; -def lexerI(sentence): - return sentence.rstrip(string.whitespace+string.punctuation); +class Lexer(object): + def __init__(self, lang='None', grammar=None, gflang=None): + import translation_pipeline; + lexers = {'None': self.lexerI, \ + 'Eng': self.lexerI, \ + 'Chi': self.lexerChi, \ + 'Translator': translation_pipeline.pipeline_lexer, \ + 'Web': self.lexerWeb + }; + if grammar: + self._pgf = grammar; + self._lang = gflang; -def lexerChi(sentence): - sentence = sentence.decode('utf-8'); + self.tokenize = lexers[lang]; + return; + + def lexerI(self, sentence): + #return sentence.decode('utf-8').rstrip(string.whitespace+string.punctuation).encode('utf-8'); + return sentence.rstrip(string.whitespace+string.punctuation); + + def lexerChi(self, sentence): + #sentence = sentence.decode('utf-8'); tokens, idx, n = [], 0, len(sentence); prev = True; while idx < n: - if sentence[idx] in string.whitespace: - prev = True; - idx += 1; - continue; - if 0 < ord(sentence[idx]) < 128: - if sentence[idx] in string.punctuation: - prev = True; - if prev: - tokens.append( sentence[idx] ); - prev = False; - else: - tokens[-1] = tokens[-1]+sentence[idx]; - else: - prev = True; - tokens.append( sentence[idx] ); - idx += 1; - return ' '.join(tokens).encode('utf-8'); + if sentence[idx] in string.whitespace: + prev = True; + idx += 1; + continue; + if 0 < ord(sentence[idx]) < 128: + if sentence[idx] in string.punctuation: + prev = True; + if prev: + tokens.append( sentence[idx] ); + prev = False; + else: + tokens[-1] = tokens[-1]+sentence[idx]; + else: + prev = True; + tokens.append( sentence[idx] ); + idx += 1; + return ' '.join(tokens);#.encode('utf-8'); -def lexer(lang='translator'): - if lang[-3:] == 'Eng': - return lexerI; - elif lang[-3:] == 'Chi': - return lexerChi; - elif lang == 'translator': - import translation_pipeline; - return translation_pipeline.pipeline_lexer; - else: - return lexerI; + def lexerWeb(self, sentence): + tokensList = re.split('\s+?', sentence.strip()); + for idx, token in enumerate(tokensList): + if not token[0].isupper(): + continue; + lowertoken = tokensList[idx].lower(); + count = 0; + for analysis in self._pgf.languages[self._lang].lookupMorpho(lowertoken): + count += 1; + tokensList[idx] = lowertoken if count else token; + for idx, token in enumerate(tokensList): + if token.find('-') == -1: + continue; + count = 0; + for analysis in self._pgf.languages[self._lang].lookupMorpho(token): + count += 1; + if count: + continue; + token = tokensList[idx].replace('-', ''); + for analysis in self._pgf.languages[self._lang].lookupMorpho(token): + count += 1; + if count: + tokensList[idx] = token; + continue; + token = tokensList[idx].replace('-', ' '); + return ' '.join(tokensList); def postprocessor(sentence): - if sentence == None: - return ''; - if sentence.startswith('* ') or sentence.startswith('% '): - sentence = sentence[2:]; - sentence = sentence.replace(' &+ ', ''); - sentence = sentence.replace('<+>', ' '); - return sentence; + if sentence == None: + return ''; + if sentence.startswith('* ') or sentence.startswith('% '): + sentence = sentence[2:]; + sentence = sentence.replace(' &+ ', ''); + sentence = sentence.replace('<+>', ' '); + return sentence; def readJohnsonRerankerTrees(inputStream): - endOfParse = False; - while True: - sentheader = inputStream.next(); - if sentheader == '': - break; - parsescount, sentidx = map(int, sentheader.strip().split()); - parsesBlock = []; - for i in xrange(parsescount): - parseprob = inputStream.next(); - if parseprob.strip() == '': - endOfParse = True; - break; - parse = inputStream.next(); - parsesBlock.append( (float(parseprob.strip()), pgf.readExpr(parse.strip())) ); - yield sentidx, parsesBlock; - if not endOfParse: - _ = inputStream.next(); - endOfParse = False; + endOfParse = False; + while True: + sentheader = inputStream.next(); + if sentheader == '': + break; + parsescount, sentidx = map(int, sentheader.strip().split()); + parsesBlock = []; + for i in xrange(parsescount): + parseprob = inputStream.next(); + if parseprob.strip() == '': + endOfParse = True; + break; + parse = inputStream.next(); + parsesBlock.append((float(parseprob.strip()), pgf.readExpr(parse.strip()))); + yield sentidx, parsesBlock; + if not endOfParse: + _ = inputStream.next(); + endOfParse = False; def readMosesNbestFormat(inputStream): - transBlock = []; - currentHypothesisId = 0; - while True: - line = inputStream.next(); - if line == '': - break; - fields = line.strip().split('|||'); - if str(fields[0].strip()) != str(currentHypothesisId): - yield currentHypothesisId, transBlock; - transBlock = []; - currentHypothesisId = int(fields[0]); - transBlock.append( (map(float, tuple([val.strip() for val in fields[3].split()])), fields[1].strip()) ); + transBlock = []; + currentHypothesisId = 0; + while True: + line = inputStream.next(); + if line == '': + break; + fields = line.strip().split('|||'); + if str(fields[0].strip()) != str(currentHypothesisId): + yield currentHypothesisId, transBlock; + transBlock = []; + currentHypothesisId = int(fields[0]); + transBlock.append( (map(float, \ + tuple([val.strip() for val in fields[3].split()])), \ + fields[1].strip()) ); -def printJohnsonRerankerFormat(gfparsesList, sentid=count(1)): - johnsonRepr = []; - parseHash = {}; - for parse in sorted(gfparsesList, key=itemgetter(0)): - if not parseHash.has_key(parse[1]): - johnsonRepr.append( str(-1*parse[0]) ); - johnsonRepr.append( str(parse[1]) ); - parseHash.setdefault(parse[1], []).append(parse[0]); - curid = sentid.next(); - if len(gfparsesList): - johnsonRepr.insert(0, '%d %d' %(len(parseHash.values()), curid)); - duplicateInstances = len(filter(lambda X: len(parseHash[X]) > 1, parseHash.keys())); - #if duplicateInstances: print >>sys.stderr, "%d duplicate parses found in K-best parsing" %(duplicateInstances); - return '\n'.join(johnsonRepr)+'\n'; +def printJohnsonRerankerFormat(gfparsesList, sentids=count(1)): + johnsonRepr = []; + parseHash = {}; + for parse in sorted(gfparsesList, key=itemgetter(0)): + if parse[1] not in parseHash: + johnsonRepr.append( str(-1*parse[0]) ); + johnsonRepr.append( str(parse[1]) ); + parseHash.setdefault(parse[1], []).append(parse[0]); + curid = next(sentids); + if len(gfparsesList): + johnsonRepr.insert(0, '%d %d' %(len(parseHash.values()), curid)); + duplicateInstances = len(list(filter(lambda X: len(parseHash[X]) > 1, \ + parseHash.keys()))); + return '\n'.join(johnsonRepr)+'\n'; -def printMosesNbestFormat(hypothesisList, sentid=count(1)): - mosesRepr = []; - sid = sentid.next(); - for hypScores, hypStr in hypothesisList: - if not hasattr(hypScores, '__iter__'): - hypScores = (hypScores, ); - mosesRepr.append("%d ||| %s ||| NULL ||| %s" %(sid, hypStr, ' '.join(['%.6f'%score for score in hypScores]))); - return '\n'.join(mosesRepr); +def printMosesNbestFormat(hypothesisList, sentids=count(1)): + mosesRepr = []; + sid = next(sentids); + for hypScores, hypStr in hypothesisList: + if not hasattr(hypScores, '__iter__'): + hypScores = (hypScores, ); + mosesRepr.append("%d ||| %s ||| NULL ||| %s" \ + %(sid, hypStr, ' '.join('%.6f'%score for score in hypScores)) ); + return '\n'.join(mosesRepr); def getKLinearizations(grammar, tgtlanguage, abstractParsesList, K=10): - generator = grammar.languages[tgtlanguage].linearizeAll; - for parsesBlock in abstractParsesList: - kBestTrans = []; - for parseprob, parse in parsesBlock: - for linstring in generator(parse, n=K): - kBestTrans.append( ((parseprob,), postprocessor(linstring)) ); - yield kBestTrans; + generator = grammar.languages[tgtlanguage].linearizeAll; + for parsesBlock in abstractParsesList: + kBestTrans = []; + for parseprob, parse in parsesBlock: + for linstring in generator(parse, n=K): + kBestTrans.append( ((parseprob,), postprocessor(linstring)) ); + yield kBestTrans; -def getKBestParses(grammar, language, K, serializable=False, sentid=count(1), max_length=50): - parser = grammar.languages[language].parse; - import translation_pipeline - 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; - except UnicodeEncodeError, err: - tend = time.time(); - print >>sys.stderr, '%d\t%.4f\t%s' %(curid, tend-tstart, err); - return tend-tstart, kBestParses; - return worker; +def getKBestParses(grammar, language, K, callbacks=[], \ + serializable=False, sentids=count(1), max_length=50): + parser = grammar.languages[language].parse; + import translation_pipeline; + callbacks_PN = translation_pipeline.parseNames; + callbacks_Symb = translation_pipeline.parseUnknown; + def worker(sentence): + sentence = sentence.strip(); + curid = next(sentids); + tstart = time.time(); + kBestParses = []; + parseScores = {}; + if len(sentence.split()) > max_length: + # temporary hack to make sure parser does not get + # killed for very long sentences; + tend, err = time.time(), \ + "Sentence too long (%d tokens). Might potentially run out of memory" \ + %(len(sentence.split())); + print('%d\t%.4f\t%s' %(curid, tend-tstart, err), file=sys.stderr); + return tend-tstart, kBestParses; + + # with modified API for callbacks, each callback function has to + # be freshly created for each sentence; otherwise, they do not + # work. + try: + callbacks = [('PN', callbacks_PN(grammar, language, sentence)),\ + ('Symb', callbacks_Symb(grammar, language, 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; + tend = time.time(); + print('%d\t%.4f' %(curid, tend-tstart), file=sys.stderr); + return tend-tstart, kBestParses; + except pgf.ParseError as err: + tend = time.time(); + print('%d\t%.4f\t%s' %(curid, tend-tstart, err), file=sys.stderr); + return tend-tstart, kBestParses; + except UnicodeEncodeError as err: + tend = time.time(); + print('%d\t%.4f\t%s' %(curid, tend-tstart, err), file=sys.stderr); + return tend-tstart, kBestParses; + return worker; 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); - parser = getKBestParses(grammar, args.srclang, 1); - - 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; + grammar = pgf.readPGF(args.pgfgrammar); + preprocessor = Lexer().tokenize; + #if sys.version_info < (3, 0): + # args.inputstream = codecs.getreader('utf-8')(args.inputstream); + inputSet = map(preprocessor, args.inputstream); + web_preprocessor = Lexer('Web', grammar, args.srclang).tokenize; + inputSet = map(web_preprocessor, inputSet); + outputPrinter = lambda X: "%f\t%s" %(X[0], str(X[1])); + parser = getKBestParses(grammar, args.srclang, 1); + + sentidx = 0; + for time, parsesBlock in map(parser, inputSet): + sentidx += 1; + print("%d\t%f\t%s" %(sentidx, time, \ + str(outputPrinter(parsesBlock[0])) if len(parsesBlock) else ''), \ + file=args.outputstream); + 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; - parser = getKBestParses(grammar, args.srclang, args.K); - - sentidx = 0; - for time, parsesBlock in imap(parser, inputSet): - sentidx += 1; - strParses = str(outputPrinter(parsesBlock)); - if not (strParses == '\n'): - print >>args.outputstream, strParses; - return; + grammar = pgf.readPGF(args.pgfgrammar); + preprocessor = Lexer().tokenize; + #if sys.version_info < (3, 0): + # args.inputstream = codecs.getreader('utf-8')(args.inputstream); + inputSet = map(preprocessor, args.inputstream); + web_preprocessor = Lexer('Web', grammar, args.srclang).tokenize; + inputSet = map(web_preprocessor, inputSet); + outputPrinter = printJohnsonRerankerFormat; + parser = getKBestParses(grammar, args.srclang, args.K); + + sentidx = 0; + for time, parsesBlock in map(parser, inputSet): + sentidx += 1; + strParses = str(outputPrinter(parsesBlock)); + if not (strParses == '\n'): + print(strParses, file=args.outputstream); + return; def pgf_linearize(args): - grammar = pgf.readPGF(args.pgfgrammar); - outputPrinter = postprocessor; - inputSet = []; - for line in args.inputstream: - try: - sentid, parsetime, parserepr = line.strip('\n').split('\t', 2); - except ValueError: - print line.strip(); - parseprob, abstree = parserepr.split('\t') if parserepr.strip() else (0, ''); - inputSet.append( (int(sentid), float(parsetime), float(parseprob), pgf.readExpr(abstree) if abstree else None) ); - linearizer = grammar.languages[args.tgtlang].linearize; - for sentid, _, _, abstree in inputSet: - if abstree: - print >>args.outputstream, str(outputPrinter(linearizer(abstree))); - else: - print >>args.outputstream, ""; - return; + grammar = pgf.readPGF(args.pgfgrammar); + def parse_line(line): + try: + sentid, parsetime, parserepr = line.strip('\n').split('\t', 2); + except ValueError: + print("Line not in proper format: %s" %(line), file=stderr); + parseprob, abstree = parserepr.split('\t') if parserepr.strip() \ + else (0, ''); + return ((int(sentid), float(parsetime), float(parseprob), \ + pgf.readExpr(abstree) if abstree else None)); -def pgf_klinearize(args): - grammar = pgf.readPGF(args.pgfgrammar); - outputPrinter = printMosesNbestFormat; - inputSet = [(sentid, parsesBlock) for sentid, parsesBlock in readJohnsonRerankerTrees(args.inputstream)]; - sentIdsList = imap(itemgetter(0), inputSet); - parsesBlocks = map(itemgetter(1), inputSet); + #if sys.version_info < (3, 0): + # args.inputstream = codecs.getreader('utf-8')(args.inputstream); + inputSet = map(parse_line, (line for line in args.inputstream)); + outputPrinter = postprocessor; + linearizer = grammar.languages[args.tgtlang].linearize; + for sentid, _, _, abstree in inputSet: + if abstree: + print(str(outputPrinter(linearizer(abstree))), \ + file=args.outputstream); + else: + print("", file=args.outputstream); + return; - for transBlock in getKLinearizations(grammar, args.tgtlang, parsesBlocks, args.K): - strTrans = str(outputPrinter(transBlock, sentIdsList)); - if strTrans: - print >>args.outputstream, strTrans; - return; +def pgf_klinearize(args): + grammar = pgf.readPGF(args.pgfgrammar); + #if sys.version_info < (3, 0): + # args.inputstream = codecs.getreader('utf-8')(args.inputstream); + inputSet = [(sentid, parsesBlock) \ + for sentid, parsesBlock in readJohnsonRerankerTrees(args.inputstream)]; + outputPrinter = printMosesNbestFormat; + sentIdsList = map(itemgetter(0), inputSet); + parsesBlocks = map(itemgetter(1), inputSet); + + for transBlock in getKLinearizations(grammar, args.tgtlang, parsesBlocks, args.K): + strTrans = str(outputPrinter(transBlock, sentIdsList)); + if strTrans: + print(strTrans, file=args.outputstream); + return; def cmdLineParser(): - argparser = argparse.ArgumentParser(prog='gf_utils.py', description='Examples for carrying out (K-best) parsing, translation and linearization using GF C runtime.'); - - subparsers = argparser.add_subparsers(); - parser = subparsers.add_parser('parse', help='GF parsing of sentences'); - kparser = subparsers.add_parser('kparse', help='K-best GF parsing of sentences'); - linearizer = subparsers.add_parser('linearize', help='Linearize GF abstract syntax treess'); - klinearizer = subparsers.add_parser('klinearize', help='Linearize K-variants of GF abstract syntax trees'); - - parser.set_defaults(func=pgf_parse); - parser.add_argument('-g', '--pgf', dest='pgfgrammar', required=True, \ - help='PGF Grammar file'); - parser.add_argument('-p', '--start-sym', dest='startcat', required=False, \ - help='Start symbol in the grammar'); - parser.add_argument('-s', '--src-lang', dest='srclang', required=True, \ - help='Source language'); - parser.add_argument('-i', '--input', dest='inputstream', nargs='?', type=argparse.FileType(mode='r'), default=sys.stdin, \ - help='Input file') ; - parser.add_argument('-o', '--output', dest='outputstream', nargs='?', type=argparse.FileType(mode='w'), default=sys.stdout, \ - help='Output file'); - - kparser.set_defaults(func=pgf_kparse); - kparser.add_argument('-g', '--pgf', dest='pgfgrammar', required=True, \ - help='PGF Grammar file'); - kparser.add_argument('-p', '--start-sym', dest='startcat', required=False, \ - help='Start symbol in the grammar'); - kparser.add_argument('-s', '--src-lang', dest='srclang', required=True, \ - help='Source language'); - kparser.add_argument('-K', dest='K', required=True, type=int, \ - help='K value for multiple parses'); - kparser.add_argument('-i', '--input', dest='inputstream', nargs='?', type=argparse.FileType(mode='r'), default=sys.stdin, \ - help='Input file'); - kparser.add_argument('-o', '--output', dest='outputstream', nargs='?', type=argparse.FileType(mode='w'), default=sys.stdout, \ - help='Output file'); - - linearizer.set_defaults(func=pgf_linearize); - linearizer.add_argument('-g', '--pgf', dest='pgfgrammar', required=True, \ - help='PGF Grammar file'); - linearizer.add_argument('-t', '--tgt-lang', dest='tgtlang', required=True, \ - help='Target language'); - linearizer.add_argument('-i', '--input', dest='inputstream', nargs='?', type=argparse.FileType(mode='r'), default=sys.stdin, \ - help='Input file'); - linearizer.add_argument('-o', '--output', dest='outputstream', nargs='?', type=argparse.FileType(mode='w'), default=sys.stdout, \ - help='Output file'); - - klinearizer.set_defaults(func=pgf_klinearize); - klinearizer.add_argument('-g', '--pgf', dest='pgfgrammar', required=True, \ - help='PGF Grammar file'); - klinearizer.add_argument('-t', '--tgt-lang', dest='tgtlang', required=True, \ - help='Target language'); - klinearizer.add_argument('-K', dest='K', required=True, type=int, \ - help='K value for multiple linearizations'); - klinearizer.add_argument('-i', '--input', dest='inputstream', nargs='?', type=argparse.FileType(mode='r'), default=sys.stdin, \ - help='Input file'); - klinearizer.add_argument('-o', '--output', dest='outputstream', nargs='?', type=argparse.FileType(mode='w'), default=sys.stdout, \ - help='Output file'); + argparser = argparse.ArgumentParser(prog='gf_utils.py', \ + description='Examples for carrying out (K-best) parsing, \ + translation and linearization using GF C runtime.'); + + subparsers = argparser.add_subparsers(); + parser = subparsers.add_parser('parse', help='GF parsing of sentences'); + kparser = subparsers.add_parser('kparse', help='K-best GF parsing of sentences'); + linearizer = subparsers.add_parser('linearize', help='Linearize GF abstract syntax treess'); + klinearizer = subparsers.add_parser('klinearize', help='Linearize K-variants of GF abstract syntax trees'); + + parser.set_defaults(func=pgf_parse); + parser.add_argument('-g', '--pgf', dest='pgfgrammar', required=True, \ + help='PGF Grammar file'); + parser.add_argument('-p', '--start-sym', dest='startcat', required=False, \ + help='Start symbol in the grammar'); + parser.add_argument('-s', '--src-lang', dest='srclang', required=True, \ + help='Source language'); + parser.add_argument('-i', '--input', dest='inputstream', nargs='?', \ + type=argparse.FileType(mode='r'), default=sys.stdin, \ + help='Input file') ; + parser.add_argument('-o', '--output', dest='outputstream', nargs='?', \ + type=argparse.FileType(mode='w'), default=sys.stdout, \ + help='Output file'); + + kparser.set_defaults(func=pgf_kparse); + kparser.add_argument('-g', '--pgf', dest='pgfgrammar', required=True, \ + help='PGF Grammar file'); + kparser.add_argument('-p', '--start-sym', dest='startcat', required=False, \ + help='Start symbol in the grammar'); + kparser.add_argument('-s', '--src-lang', dest='srclang', required=True, \ + help='Source language'); + kparser.add_argument('-K', dest='K', required=True, \ + type=int, \ + help='K value for multiple parses'); + kparser.add_argument('-i', '--input', dest='inputstream', nargs='?', \ + type=argparse.FileType(mode='r'), default=sys.stdin, \ + help='Input file'); + kparser.add_argument('-o', '--output', dest='outputstream', nargs='?', \ + type=argparse.FileType(mode='w'), default=sys.stdout, \ + help='Output file'); + + linearizer.set_defaults(func=pgf_linearize); + linearizer.add_argument('-g', '--pgf', dest='pgfgrammar', required=True, \ + help='PGF Grammar file'); + linearizer.add_argument('-t', '--tgt-lang', dest='tgtlang', required=True, \ + help='Target language'); + linearizer.add_argument('-i', '--input', dest='inputstream', nargs='?', \ + type=argparse.FileType(mode='r'), default=sys.stdin, \ + help='Input file'); + linearizer.add_argument('-o', '--output', dest='outputstream', nargs='?', \ + type=argparse.FileType(mode='w'), default=sys.stdout, \ + help='Output file'); + + klinearizer.set_defaults(func=pgf_klinearize); + klinearizer.add_argument('-g', '--pgf', dest='pgfgrammar', required=True, \ + help='PGF Grammar file'); + klinearizer.add_argument('-t', '--tgt-lang', dest='tgtlang', required=True, \ + help='Target language'); + klinearizer.add_argument('-K', '--kbest', dest='K', required=True, \ + type=int, \ + help='K value for multiple linearizations'); + klinearizer.add_argument('-i', '--input', dest='inputstream', nargs='?', \ + type=argparse.FileType(mode='r'), default=sys.stdin, \ + help='Input file'); + klinearizer.add_argument('-o', '--output', dest='outputstream', nargs='?', \ + type=argparse.FileType(mode='w'), default=sys.stdout, \ + help='Output file'); + + return argparser; - return argparser; if __name__ == '__main__': - args = cmdLineParser().parse_args(sys.argv[1:]); - args.func(args); + args = cmdLineParser().parse_args(sys.argv[1:]); + args.func(args); |