def get_low_strdiff_pairs(self):
logging.info("String difference phase started")
src_index = self._src._index
tgt_index = self._tgt._index
for src in self.interesting[0]:
src_tok = self._src.ints_to_tokens([src])[0].lower()
for tgt, _ in self.interesting[0][src].iteritems():
tgt_tok = self._tgt.ints_to_tokens([tgt])[0].lower()
ratio = float(len(src_index[src])) / len(tgt_index[tgt])
if ratio > 3 or ratio < 1/3.0:
continue
#if idiff == 0:
if src_tok == tgt_tok:
logging.debug("{0} added".format(repr((src_tok, tgt_tok))))
yield ((src,), (tgt,)), 1.0
break
idiff = levenshtein(src_tok, tgt_tok)
#sdiff = levenshtein(src_tok, tgt_tok, 1)
if len(src_tok) >= 5 and len(tgt_tok) >= 5:
if idiff == 1:
logging.debug("{0} = {1} added".format(repr((src_tok, tgt_tok)), idiff))
yield ((src,), (tgt,)), 0.8
break
if len(src_tok) >= 7 and len(tgt_tok) >= 7 and abs(len(tgt_tok) - len(src_tok)) <= 1:
if idiff == 2:
logging.debug("{0} = {1} added".format(repr((src_tok, tgt_tok)), idiff))
yield ((src,), (tgt,)), 0.6
break
logging.info("String difference phase done")
def get_low_strdiff_pairs(self):
logging.info("String difference phase started")
src_index = self._src._index
tgt_index = self._tgt._index
for src in self.interesting[0]:
src_tok = self._src.ints_to_tokens([src])[0].lower()
for tgt, _ in self.interesting[0][src].iteritems():
tgt_tok = self._tgt.ints_to_tokens([tgt])[0].lower()
ratio = float(len(src_index[src])) / len(tgt_index[tgt])
if ratio > 3 or ratio < 1 / 3.0:
continue
#if idiff == 0:
if src_tok == tgt_tok:
logging.debug("{0} added".format(repr((src_tok, tgt_tok))))
yield ((src, ), (tgt, )), 1.0
break
idiff = levenshtein(src_tok, tgt_tok)
#sdiff = levenshtein(src_tok, tgt_tok, 1)
if len(src_tok) >= 5 and len(tgt_tok) >= 5:
if idiff == 1:
logging.debug("{0} = {1} added".format(
repr((src_tok, tgt_tok)), idiff))
yield ((src, ), (tgt, )), 0.8
break
if len(src_tok) >= 7 and len(tgt_tok) >= 7 and abs(
len(tgt_tok) - len(src_tok)) <= 1:
if idiff == 2:
logging.debug("{0} = {1} added".format(
repr((src_tok, tgt_tok)), idiff))
yield ((src, ), (tgt, )), 0.6
break
logging.info("String difference phase done")
def choose_most_similar_stemming(self, stemmed_versions, b):
return sorted(stemmed_versions, key=lambda x: levenshtein(x, b))[0]
def choose_most_similar_stemming(self, stemmed_versions, b):
return sorted(stemmed_versions, key=lambda x: levenshtein(x, b))[0]
