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()
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:
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))
# Create a transducer that contains animals
tok = libhfst.HfstTokenizer()
cat = libhfst.HfstTransducer("cat", "cats", tok, type)
cat.set_final_weights(3)
dog = libhfst.HfstTransducer("dog", "dogs", tok, type)
dog.set_final_weights(2.5)
mouse = libhfst.HfstTransducer("mouse", "mice", tok, type)
mouse.set_final_weights(1.7)
animals = libhfst.HfstTransducer(type)
animals.disjunct(cat)
animals.disjunct(dog)
animals.disjunct(mouse)
animals.minimize()
results = libhfst.extract_paths(animals, 3, 0)
#print results
# Add an animal with two possible plurals
hippopotamus1 = libhfst.HfstTransducer("hippopotamus", "hippopotami", tok, type)
hippopotamus1.set_final_weights(1.2)
hippopotamus2 = libhfst.HfstTransducer("hippopotamus", "hippopotamuses", tok, type)
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
