def _analyse(this, token, automaton):
res = libhfst.detokenize_paths(this.analysers[automaton].lookup_fd(token))
if len(token) > 2 and token[0].islower() and not token[1:].islower() and this.can_titlecase:
tcres = libhfst.detokenize_paths(this.analysers[automaton].lookup_fd(token[0].lower() + token[1:].lower()))
for r in tcres:
r.output = r.output + convert_omor_tag('[CASECHANGE=TITLECASED]',
automaton)
res = res + tcres
if not token.isupper() and this.can_uppercase:
upres = libhfst.detokenize_paths(this.analysers[automaton].lookup_fd(token.upper()))
for r in tupes:
r.output = r.output + convert_omor_tag('[CASECHANGE=UPPERCASED]'.
automaton)
res = res + tcres
if not token.islower() and this.can_lowercase:
lowres = libhfst.detokenize_paths(this.analysers[automaton].lookup_fd(token.lower()))
for r in lowres:
r.output = r.output + convert_omor_tag('[CASECHANGE=LOWERCASED]',
automaton)
res += lowres
for r in res:
r.output = r.output + convert_omor_tag('[WEIGHT=%f]' %(r.weight),
automaton)
return res
out.redirect(tr)
assert(False)
except: # libhfst.StreamIsClosedException:
assert(libhfst.hfst_get_exception() == "StreamIsClosedException")
pass
# Transducer is cyclic.
# ---------------------
print("TransducerIsCyclicException")
for type in types:
transducer = libhfst.HfstTransducer("a", "b", type)
transducer.repeat_star()
try:
results = libhfst.detokenize_paths(libhfst.extract_paths(transducer))
print("The transducer has {0} paths".format(len(results)))
assert(False)
except: # libhfst.TransducerIsCyclicException:
print("The transducer is cyclic and has an infinite number of paths.")
# The stream does not contain transducers.
# ----------------------------------------
print("NotTransducerStreamException")
foofile = open('foofile', 'wb')
foofile.write('This is a text file.\n'.encode('ascii'))
foofile.write('Here is another line.\n'.encode('ascii'))
foofile.write('The file ends here.'.encode('ascii'))
foofile.close()
import libhfst
import io
tr = libhfst.HfstTransducer('a', 'b', libhfst.TROPICAL_OPENFST_TYPE)
paths = libhfst.extract_paths(tr)
for path in libhfst.detokenize_paths(paths):
print("{0}:{1} {2}".format(path.input, path.output, path.weight))
tr = libhfst.HfstTransducer('a', 'b', libhfst.TROPICAL_OPENFST_TYPE)
tr.convert(libhfst.HFST_OLW_TYPE)
for path in libhfst.detokenize_paths(tr.lookup("a")):
print("{0} {1}".format(path.output, path.weight))
out.close()
out.redirect(tr)
assert (False)
except: # libhfst.StreamIsClosedException:
assert (libhfst.hfst_get_exception() == "StreamIsClosedException")
pass
# Transducer is cyclic.
# ---------------------
print("TransducerIsCyclicException")
for type in types:
transducer = libhfst.HfstTransducer("a", "b", type)
transducer.repeat_star()
try:
results = libhfst.detokenize_paths(libhfst.extract_paths(transducer))
print("The transducer has {0} paths".format(len(results)))
assert (False)
except: # libhfst.TransducerIsCyclicException:
print("The transducer is cyclic and has an infinite number of paths.")
# The stream does not contain transducers.
# ----------------------------------------
print("NotTransducerStreamException")
foofile = open('foofile', 'wb')
foofile.write('This is a text file.\n'.encode('ascii'))
foofile.write('Here is another line.\n'.encode('ascii'))
foofile.write('The file ends here.'.encode('ascii'))
foofile.close()
try:
def main():
a = ArgumentParser(
description="Tokeniser for plain text data using HFST automata. "
"Takes a text stream input and outputs TSV token stream where "
"one line is one token. Tokens should include white-space tokens,"
"but this decision is solely up to output of used automata. "
"Some automata may be able to parse non-plain marked up text.",
epilog="If INFILE or OFILE is omitted, standard streams will be "
"used.\n"
"If DISAMB is omitted, greedy LRLM will be used.")
a.add_argument('inputs', metavar='INFILE', type=open,
nargs='*', help="Files to process with corpus tool")
a.add_argument('--output', '-o', metavar='OFILE',
type=FileType('w'), help="store result in OFILE")
a.add_argument('--tokeniser', '-t', action='append', metavar='TFILE',
help="Pre-process input stream with automata from TFILE")
a.add_argument('--disambiguation', '-d', metavar='DISAMB',
choices=['LRLM'], default='LRLM',
help="use DISAMB tactic to select from multiple paths")
a.add_argument("--verbose", '-v', action='store_true',
help="print verbosely while processing")
opts = a.parse_args()
tokenisers = list()
if not opts.output:
if opts.verbose:
print("printing output to stdout, disabling verbose", stderr)
opts.verbose = False
opts.output = stdout
if not opts.tokeniser:
if opts.verbose:
print("Using Unicode tokeniser with character classes")
tokeniserstream = libhfst.HfstInputStream("tokeniser-unicode.openfst.hfst")
t = libhfst.HfstTransducer(tokeniserstream)
tokenisers.append(t)
else:
for tokeniserfile in opts.tokeniser:
if opts.verbose:
print("Reading from", tokeniserfile)
tokeniserstream = libhfst.HfstInputStream(tokeniserfile)
t = libhfst.HfstTransducer(tokeniserstream)
if opts.verbose:
print("Read tokeniser", t.get_property('name'))
tokenisers.append(t)
if len(opts.inputs) < 1:
if opts.verbose:
print("Reading corpus data from <stdin>")
opts.inputs = [stdin]
if opts.verbose:
print("Creating UTF-8 character tokeniser for HFST")
hfst_tokeniser = libhfst.HfstTokenizer()
for inputfile in opts.inputs:
print("# hfst-tokenise.py TSV token stream 1", file=opts.output)
print("# From input file", inputfile, file=opts.output)
print("# Next line is a header line", file=opts.output)
print("Token", file=opts.output)
for line in inputfile:
line = line.strip('\n')
if not line or line == '':
print('\\n', file=opts.output)
continue
could_tokenise = False
for tokeniser in tokenisers:
if tokeniser.get_type() == libhfst.TROPICAL_OPENFST_TYPE:
pathmaton = libhfst.HfstTransducer(line, hfst_tokeniser,
libhfst.TROPICAL_OPENFST_TYPE)
tokenisation = libhfst.extract_paths_fd(pathmaton.compose(tokeniser))
paths = libhfst.detokenize_paths(tokenisation)
tokens = None
if opts.disambiguation == 'LRLM':
tokens = take_greedy_lrlm_tokens(paths)
else:
print("What is this DISAMB?", opts.disambiguation,
file=stderr)
if tokens:
for token in tokens:
print(token.replace('@_EPSILON_SYMBOL_@', ''))
could_tokenise = True
break
else:
if opts.verbose:
print("Got no tokens with FOO using",
opts.disambiguation)
else:
print("Not impl !OFST", file=stderr)
exit(2)
if not could_tokenise:
for token in line.split():
print(token, file=opts.output)
print("\\n", file=opts.output)
exit(0)
def main():
a = ArgumentParser()
a.add_argument('-f', '--fsa', metavar='FSAFILE', required=True,
help="HFST's optimised lookup binary data for the transducer to be applied")
a.add_argument('-i', '--input', metavar="INFILE", type=open, required=True,
dest="infile", help="source of analysis data")
a.add_argument('-o', '--output', metavar="OUTFILE", required=True,
type=FileType('w'),
dest="outfile", help="result file")
a.add_argument('-X', '--statistics', metavar="STATFILE",
type=FileType('w'),
dest="statfile", help="statistics")
options = a.parse_args()
omorfi = libhfst.HfstTransducer(libhfst.HfstInputStream(options.fsa))
if not options.statfile:
options.statfile = stdout
# basic statistics
full_matches = 0
lemma_matches = 0
anal_matches = 0
no_matches = 0
no_results = 0
lines = 0
# known bugs by type
deduct_forgn = 0
deduct_advposman = 0
deduct_oliprt = 0
deduct_abbr_prop = 0
# known bugs by statistic to deduct
deduct_lemma = 0
deduct_anal = 0
deduct_matches = 0
deduct_results = 0
# for make check target
threshold = 90
for line in options.infile:
conllxes = line.split('\t')
if len(conllxes) < 10:
if not line.startswith("<"):
print("ERROR: Skipping line", line, file=stderr)
continue
lines += 1
ftbsurf = conllxes[1]
ftblemma = conllxes[2]
ftbanals = conllxes[5]
anals = libhfst.detokenize_paths(omorfi.lookup_fd(ftbsurf))
if ftbsurf[0].isupper():
anals += libhfst.detokenize_paths(omorfi.lookup_fd(ftbsurf[0].lower() + ftbsurf[1:]))
if ftbsurf.isupper():
anals += libhfst.detokenize_paths(omorfi.lookup_fd(ftbsurf.lower()))
if ftbsurf.isupper():
anals += libhfst.detokenize_paths(omorfi.lookup_fd(ftbsurf[0] + ftbsurf[1:].lower()))
found_anals = False
found_lemma = False
print_in = True
for anal in anals:
if ftbanals in anal.output:
found_anals = True
if ftblemma in anal.output:
found_lemma = True
if len(anals) == 0:
print_in = False
no_results += 1
if 'Forgn' in ftbanals:
deduct_forgn += 1
deduct_results += 1
print_in = False
else:
print("NORESULTS:", ftbsurf, ftblemma, ftbanals, sep="\t",
file=options.outfile)
elif not found_anals and not found_lemma:
no_matches += 1
if 'Adv Pos Man' in ftbanals:
deduct_advposman += 1
deduct_matches += 1
print_in = False
else:
print("NOMATCH:", ftbsurf, ftblemma, ftbanals, sep="\t", end="\t",
file=options.outfile)
elif not found_anals:
lemma_matches += 1
if 'Adv Pos Man' in ftbanals:
deduct_advposman += 1
deduct_lemma += 1
print_in = False
elif 'V Prt Act' in ftbanals and ftbsurf.startswith('oli'):
deduct_oliprt += 1
deduct_lemma += 1
print_in = False
elif 'Forgn' in ftbanals:
deduct_forgn += 1
deduct_lemma += 1
print_in = False
elif 'Abbr' in ftbanals:
propfail = False
for anal in anals:
if 'Abbr Prop' in anal.output:
propfail = True
if propfail:
deduct_abbr_prop += 1
deduct_lemma += 1
print_in = False
else:
print("NOANALMATCH:", ftbsurf, ftbanals, sep="\t", end="\t",
file=options.outfile)
else:
print("NOANALMATCH:", ftbsurf, ftbanals, sep="\t", end="\t",
file=options.outfile)
elif not found_lemma:
anal_matches += 1
print("NOLEMMAMATCH:", ftbsurf, ftblemma, sep="\t", end="\t",
file=options.outfile)
else:
full_matches += 1
print_in = False
if print_in:
print(":IN:", end="\t", file=options.outfile)
for anal in anals:
print(anal.output, end='\t', file=options.outfile)
print(file=options.outfile)
print("Lines", "Matches", "Lemma", "Anals", "Mismatch", "No results", sep="\t",
file=options.statfile)
print(lines, full_matches, lemma_matches, anal_matches, no_matches,
no_results,
sep="\t", file=options.statfile)
print(lines / lines * 100, full_matches / lines * 100,
lemma_matches / lines * 100, anal_matches / lines * 100,
no_matches / lines * 100, no_results / lines * 100,
sep="\t", file=options.statfile)
print("Deducting known bugs...\n",
"Forgn:", deduct_forgn,
"\nAdv Pos Man:", deduct_advposman,
"\noli V Prt Act:", deduct_oliprt,
"\nAbbr Prop:", deduct_abbr_prop,
file=options.statfile)
lines = lines - deduct_forgn - deduct_advposman - deduct_oliprt - deduct_abbr_prop
no_results -= deduct_results
no_matches -= deduct_matches
lemma_matches -= deduct_lemma
print(lines, full_matches, lemma_matches, anal_matches, no_matches,
no_results,
sep="\t", file=options.statfile)
print(lines / lines * 100, full_matches / lines * 100,
lemma_matches / lines * 100, anal_matches / lines * 100,
no_matches / lines * 100, no_results / lines * 100,
sep="\t", file=options.statfile)
if (full_matches / lines * 100 < threshold):
print("needs to have", threshold, "% matches to pass regress test\n",
"please examine", options.outfile.name, "for regressions",
file=stderr)
exit(1)
else:
exit(0)
hippopotamus2.set_final_weights(1.4)
animals.disjunct(hippopotamus1)
animals.disjunct(hippopotamus2)
animals.minimize()
results = libhfst.extract_paths(animals, 5, 0)
#print results
# Convert into optimized lookup format
animals_ol = libhfst.HfstTransducer(animals)
if type == libhfst.TROPICAL_OPENFST_TYPE:
animals_ol.convert(libhfst.HFST_OLW_TYPE)
else:
animals_ol.convert(libhfst.HFST_OL_TYPE)
result = libhfst.detokenize_paths(animals_ol.lookup("hippopotamus"))
#for res in result:
# print res[0]
# print res[1]
if type == libhfst.TROPICAL_OPENFST_TYPE:
best_animals = libhfst.HfstTransducer(animals)
best_animals.n_best(3)
best_animals.convert(libhfst.HFST_OLW_TYPE)
assert(libhfst.detokenize_paths(best_animals.lookup("mouse"))[0].output == "mice")
assert(libhfst.detokenize_paths(best_animals.lookup("hippopotamus"))[0].output == "hippopotami")
assert(libhfst.detokenize_paths(best_animals.lookup("hippopotamus"))[1].output == "hippopotamuses")
print("Function insert_freely")
