def load(self, g):
dictpath = '/home/pizza/proj/spill-chick/data/cmudict/cmudict.0.7a'
# extract file if necessary
if not os.path.exists(dictpath):
with open(dictpath, 'wb') as dst:
with gzip.open(dictpath + '.gz', 'rb') as src:
dst.write(src.read())
# TODO: loading this ~130,000 line dictionary in python represents the majority
# of the program's initialization time. move it over to C.
with open(dictpath, 'r') as f:
for line in f:
if line.startswith(';;;'):
continue
line = line.decode('utf8')
line = line.strip().lower()
word, phon = line.split(' ')
"""
skip any words that do not appear in our ngrams.
this makes a significant difference when trying to reconstruct phrases
phonetically; small decreases in terms have large decreases in products.
note: you may think that every word in a dictionary would appear
at least once in a large corpus, but we truncate corpus n-grams at a
certain minimum frequency which may exclude very obscure words from ultimately
appearing at all.
"""
# TODO: what i really should do is eliminate all words that appear less
# than some statistically significant time; the vast majority of the
# phonetic phrases I currently try are filled with short obscure words
# and are a complete waste
# FIXME: instead of hard-coding frequency, calculate statistically
if word.count("'") == 0 and g.freqs(word) < 500:
continue
"""
implement a very rough phonic fuzzy-matching
phonic codes consist of a list of sounds such as:
REVIEW R IY2 V Y UW1
we simplify this to
REVIEW R I V Y U
this allows words with close but imperfectly sounding matches to
be identified. for example:
REVUE R IH0 V Y UW1
REVIEW R IY2 V Y UW1
is close but not a perfect match. after regex:
REVUE R I V Y U
REVIEW R I V Y U
"""
phon = re.sub('(\S)(\S+)', r'\1', phon)
# now merge leading vowels except 'o' and 'u'
if len(phon) > 1:
phon = re.sub('^[aei]', '*', phon)
self.words.add(word)
self.word[word].append(phon)
toks = tokenize(word)
self.phon[phon].append(toks)
def load(self, g):
dictpath ='/home/pizza/proj/spill-chick/data/cmudict/cmudict.0.7a'
# extract file if necessary
if not os.path.exists(dictpath):
with open(dictpath, 'wb') as dst:
with gzip.open(dictpath + '.gz', 'rb') as src:
dst.write(src.read())
# TODO: loading this ~130,000 line dictionary in python represents the majority
# of the program's initialization time. move it over to C.
with open(dictpath, 'r') as f:
for line in f:
if line.startswith(';;;'):
continue
line = line.decode('utf8')
line = line.strip().lower()
word, phon = line.split(' ')
"""
skip any words that do not appear in our ngrams.
this makes a significant difference when trying to reconstruct phrases
phonetically; small decreases in terms have large decreases in products.
note: you may think that every word in a dictionary would appear
at least once in a large corpus, but we truncate corpus n-grams at a
certain minimum frequency which may exclude very obscure words from ultimately
appearing at all.
"""
# TODO: what i really should do is eliminate all words that appear less
# than some statistically significant time; the vast majority of the
# phonetic phrases I currently try are filled with short obscure words
# and are a complete waste
# FIXME: instead of hard-coding frequency, calculate statistically
if word.count("'") == 0 and g.freqs(word) < 500:
continue
"""
implement a very rough phonic fuzzy-matching
phonic codes consist of a list of sounds such as:
REVIEW R IY2 V Y UW1
we simplify this to
REVIEW R I V Y U
this allows words with close but imperfectly sounding matches to
be identified. for example:
REVUE R IH0 V Y UW1
REVIEW R IY2 V Y UW1
is close but not a perfect match. after regex:
REVUE R I V Y U
REVIEW R I V Y U
"""
phon = re.sub('(\S)(\S+)', r'\1', phon)
# now merge leading vowels except 'o' and 'u'
if len(phon) > 1:
phon = re.sub('^[aei]', '*', phon)
self.words.add(word)
self.word[word].append(phon)
toks = tokenize(word)
self.phon[phon].append(toks)
def tokenize(self, f): self.lines = [] self.tok = [] for lcnt,line in enumerate(f): self.lines.append(line) line = line.lower() # used for index below toks = gram.tokenize(line) if toks and toks[-1] == '\n': toks.pop() #self.docwords.update(toks) # add words to local dictionary tpos = 0 ll = [] for t in toks: tpos = line.index(t, tpos) ll.append((t, lcnt, len(ll), tpos)) tpos += len(t) self.tok.append(ll)
def tokenize(self, f):
self.lines = []
self.tok = []
for lcnt, line in enumerate(f):
self.lines.append(line)
line = line.lower() # used for index below
toks = gram.tokenize(line)
if toks and toks[-1] == '\n':
toks.pop()
#self.docwords.update(toks) # add words to local dictionary
tpos = 0
ll = []
for t in toks:
tpos = line.index(t, tpos)
ll.append((t, lcnt, len(ll), tpos))
tpos += len(t)
self.tok.append(ll)
