hfst.set_default_fst_type(hfst.ImplementationType.SFST_TYPE)
elif sys.argv[1] == 'foma':
if not hfst.HfstTransducer.is_implementation_type_available(
hfst.ImplementationType.FOMA_TYPE):
sys.exit(77)
hfst.set_default_fst_type(hfst.ImplementationType.FOMA_TYPE)
elif sys.argv[1] == 'openfst':
if not hfst.HfstTransducer.is_implementation_type_available(
hfst.ImplementationType.TROPICAL_OPENFST_TYPE):
sys.exit(77)
hfst.set_default_fst_type(hfst.ImplementationType.TROPICAL_OPENFST_TYPE)
else:
raise RuntimeError('implementation format not recognized')
transducers = []
try:
while (True):
transducers.append(hfst.read_att_transducer(sys.stdin))
except hfst.exceptions.EndOfStreamException:
pass
if not len(transducers) == 3:
raise RuntimeError('Wrong number of transducers read.')
i = 0
for re in ['föö:bär', '0', '0-0']:
if not transducers[i].compare(hfst.regex(re)):
raise RuntimeError('Transducers are not equivalent.')
i += 1
import hfst
for type in [hfst.ImplementationType.SFST_TYPE, hfst.ImplementationType.TROPICAL_OPENFST_TYPE, hfst.ImplementationType.FOMA_TYPE]:
if hfst.HfstTransducer.is_implementation_type_available(type):
transducers = []
ifile = open('testfile.att', 'r')
try:
while (True):
t = hfst.read_att_transducer(ifile, '<eps>')
transducers.append(t)
except hfst.exceptions.NotValidAttFormatException as e:
print("Error reading transducer: not valid AT&T format.")
except hfst.exceptions.EndOfStreamException as e:
pass
ifile.close()
assert(len(transducers) == 4)
# reading and writing in text format
f = open('testfile_.att', 'w')
f.write('0 1 foo bar 0.5\n\
0 1 fo ba 0.2\n\
0 1 f b 0\n\
1 2 baz baz\n\
2 0.1\n\
--\n\n')
f.close()
numtr = 0
f = open('testfile_.att', 'r')
try:
while True:
TR = hfst.read_att_transducer(f)
numtr += 1
except hfst.exceptions.EndOfStreamException:
pass
f.close()
if numtr != 2:
raise RuntimeError(get_linenumber())
f = open('foo_att_prolog', 'w')
f.write('-- in ATT format --\n')
TR.write_att(f)
f.write('-- in prolog format --\n')
TR.write_prolog(f)
f.close()
fsm = hfst.read_att_string(' 0\t 1 a b\n\
f.write('This is an ordinary text file.\n')
f.close()
try:
instr = hfst.HfstInputStream('foofile')
tr = instr.read()
print(tr)
instr.close()
except hfst.exceptions.NotTransducerStreamException:
print("Could not print transducer: the file does not contain binary transducers.")
f = open('testfile1.att', 'w')
f.write('0 1 a b\n1 2 c\n2\n')
f.close()
f = open('testfile1.att', 'r')
try:
tr = hfst.read_att_transducer(f)
except hfst.exceptions.NotValidAttFormatException:
print('Could not read file: it is not in valid ATT format.')
f.close()
# StateIsNotFinalException
tr = hfst.HfstBasicTransducer()
tr.add_state(1)
# An exception is thrown as state number 1 is not final
try:
w = tr.get_final_weight(1)
except hfst.exceptions.StateIsNotFinalException:
print("State is not final.")
# ContextTransducersAreNotAutomataException
# try:
if not hfst.HfstTransducer.is_implementation_type_available(hfst.ImplementationType.SFST_TYPE):
sys.exit(77)
hfst.set_default_fst_type(hfst.ImplementationType.SFST_TYPE)
elif sys.argv[1] == 'foma':
if not hfst.HfstTransducer.is_implementation_type_available(hfst.ImplementationType.FOMA_TYPE):
sys.exit(77)
hfst.set_default_fst_type(hfst.ImplementationType.FOMA_TYPE)
elif sys.argv[1] == 'openfst':
if not hfst.HfstTransducer.is_implementation_type_available(hfst.ImplementationType.TROPICAL_OPENFST_TYPE):
sys.exit(77)
hfst.set_default_fst_type(hfst.ImplementationType.TROPICAL_OPENFST_TYPE)
else:
raise RuntimeError('implementation format not recognized')
transducers = []
try:
while (True):
transducers.append(hfst.read_att_transducer(sys.stdin))
except hfst.exceptions.EndOfStreamException:
pass
if not len(transducers) == 3:
raise RuntimeError('Wrong number of transducers read.')
i = 0
for re in ['föö:bär','0','0-0']:
if not transducers[i].compare(hfst.regex(re)):
raise RuntimeError('Transducers are not equivalent.')
i += 1
# reading and writing in text format
f = open('testfile_.att', 'w')
f.write('0 1 foo bar 0.5\n\
0 1 fo ba 0.2\n\
0 1 f b 0\n\
1 2 baz baz\n\
2 0.1\n\
--\n\n')
f.close()
numtr = 0
f = open('testfile_.att', 'r')
try:
while True:
TR = hfst.read_att_transducer(f)
numtr += 1
except hfst.exceptions.EndOfStreamException:
pass
f.close()
if numtr != 2:
raise RuntimeError(get_linenumber())
f = open('foo_att_prolog', 'w')
f.write('-- in ATT format --\n')
TR.write_att(f)
f.write('-- in prolog format --\n')
TR.write_prolog(f)
f.close()
fsm = hfst.read_att_string(' 0\t 1 a b\n\
