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syllables_en.py
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import string, re, os
###
### Fallback syllable counter
###
### This is based on the algorithm in Greg Fast's perl module
### Lingua::EN::Syllable.
###
specialSyllables_en = """tottered 2
chummed 1
peeped 1
moustaches 2
shamefully 3
messieurs 2
satiated 4
sailmaker 4
sheered 1
disinterred 3
propitiatory 6
bepatched 2
particularized 5
caressed 2
trespassed 2
sepulchre 3
flapped 1
hemispheres 3
pencilled 2
motioned 2
poleman 2
slandered 2
sombre 2
etc 4
sidespring 2
mimes 1
effaces 2
mr 2
mrs 2
ms 1
dr 2
st 1
sr 2
jr 2
truckle 2
foamed 1
fringed 2
clattered 2
capered 2
mangroves 2
suavely 2
reclined 2
brutes 1
effaced 2
quivered 2
h'm 1
veriest 3
sententiously 4
deafened 2
manoeuvred 3
unstained 2
gaped 1
stammered 2
shivered 2
discoloured 3
gravesend 2
60 2
lb 1
unexpressed 3
greyish 2
unostentatious 5
"""
fallback_cache = {}
fallback_subsyl = ["cial", "tia", "cius", "cious", "gui", "ion", "iou",
"sia$", ".ely$"]
fallback_addsyl = ["ia", "riet", "dien", "iu", "io", "ii",
"[aeiouy]bl$", "mbl$",
"[aeiou]{3}",
"^mc", "ism$",
"(.)(?!\\1)([aeiouy])\\2l$",
"[^l]llien",
"^coad.", "^coag.", "^coal.", "^coax.",
"(.)(?!\\1)[gq]ua(.)(?!\\2)[aeiou]",
"dnt$"]
# Compile our regular expressions
for i in range(len(fallback_subsyl)):
fallback_subsyl[i] = re.compile(fallback_subsyl[i])
for i in range(len(fallback_addsyl)):
fallback_addsyl[i] = re.compile(fallback_addsyl[i])
def _normalize_word(word):
return word.strip().lower()
# Read our syllable override file and stash that info in the cache
for line in specialSyllables_en.splitlines():
line = line.strip()
if line:
toks = line.split()
assert len(toks) == 2
fallback_cache[_normalize_word(toks[0])] = int(toks[1])
def count(word):
word = _normalize_word(word)
if not word:
return 0
# Check for a cached syllable count
count = fallback_cache.get(word, -1)
if count > 0:
return count
# Remove final silent 'e'
if word[-1] == "e":
word = word[:-1]
# Count vowel groups
count = 0
prev_was_vowel = 0
for c in word:
is_vowel = c in ("a", "e", "i", "o", "u", "y")
if is_vowel and not prev_was_vowel:
count += 1
prev_was_vowel = is_vowel
# Add & subtract syllables
for r in fallback_addsyl:
if r.search(word):
count += 1
for r in fallback_subsyl:
if r.search(word):
count -= 1
# Cache the syllable count
fallback_cache[word] = count
return count
###
### Phoneme-driven syllable counting
###
# def count_decomp(decomp):
# count = 0
# for unit in decomp:
# if gnoetics.phoneme.is_xstressed(unit):
# count += 1
# return count