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import hfst
import hfst_commandline
list_formats=False
test_format=None
shortopts = 'l'
longopts = ['list-formats', 'test-format=']
options = hfst_commandline.hfst_getopt(shortopts, longopts, 1)
for opt in options[0]:
if opt[0] == '-l' or opt[0] == '--list-formats':
list_formats=True
elif opt[0] == '--test-format':
test_format = opt[1]
else:
pass
if (not list_formats) and test_format == None and len(options[1]) == 0:
raise RuntimeError('error: hfst-format.py: input file, option --list-formats or option --test-format FMT must be given')
aval = hfst.HfstTransducer.is_implementation_type_available
if list_formats:
print('Backend Names recognized')
print('')
if aval(hfst.ImplementationType.SFST_TYPE):
print('SFST sfst')
if aval(hfst.ImplementationType.TROPICAL_OPENFST_TYPE):
print('OpenFst (tropical weights) openfst-tropical, openfst, ofst, ofst-tropical')
if aval(hfst.ImplementationType.LOG_OPENFST_TYPE):
print('OpenFst (logarithmic weights) openfst-log, ofst-log')
if aval(hfst.ImplementationType.FOMA_TYPE):
print('foma foma')
if aval(hfst.ImplementationType.HFST_OL_TYPE):
print('Optimized lookup (weighted) optimized-lookup-unweighted, olu')
if aval(hfst.ImplementationType.HFST_OLW_TYPE):
print('Optimized lookup (unweighted) optimized-lookup-weighted, olw, optimized-lookup, ol')
if test_format != None:
from sys import exit
if test_format == 'sfst':
if aval(hfst.ImplementationType.SFST_TYPE):
exit(0)
else:
exit(1)
elif test_format == 'openfst-tropical' or test_format == 'openfst' or test_format == 'ofst' or test_format == 'ofst-tropical':
if aval(hfst.ImplementationType.TROPICAL_OPENFST_TYPE):
exit(0)
else:
exit(1)
elif test_format == 'openfst-log' or test_format == 'ofst-log':
if aval(hfst.ImplementationType.LOG_OPENFST_TYPE):
exit(0)
else:
exit(1)
elif test_format == 'foma':
if aval(hfst.ImplementationType.FOMA_TYPE):
exit(0)
else:
exit(1)
elif test_format == 'optimized-lookup-unweighted' or test_format == 'olu':
if aval(hfst.ImplementationType.HFST_OL_TYPE):
exit(0)
else:
exit(1)
elif test_format == 'optimized-lookup-weighted' or test_format == 'olw' or test_format == 'optimized-lookup' or test_format == 'ol':
if aval(hfst.ImplementationType.HFST_OLW_TYPE):
exit(0)
else:
exit(1)
else:
raise RuntimeError('hfst-format.py: format ' + test_format + ' not recognized')
if len(options[1]) != 0:
istr = hfst.HfstInputStream(options[1][0])
for tr in istr:
t = tr.get_type()
print(hfst.fst_type_to_string(t))
istr.close()
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