def decode(self, ids, strip_extraneous=False):
"""Converts a sequence of subtoken IDs to a native string.
Args:
ids: a list of integers in the range [0, vocab_size)
strip_extraneous: bool, whether to strip off extraneous tokens (EOS and
PAD).
Returns:
a native string
"""
if strip_extraneous:
ids = strip_ids(ids, list(range(self._num_reserved_ids or 0)))
return tokenizer.decode(self._subtoken_ids_to_tokens(ids))
def test_invertibility_on_random_strings(self):
for _ in range(1000):
s = u"".join(six.unichr(random.randint(0, 65535)) for _ in range(10))
self.assertEqual(s, tokenizer.decode(tokenizer.encode(s)))
def test_decode(self):
self.assertEqual(
u"Dude - that's so cool.",
tokenizer.decode(
[u"Dude", u" - ", u"that", u"'", u"s", u"so", u"cool", u"."]))