def syllable_length(s, final=None):
n = nucleus(s)
r = rime(s)
if len(n) > 1:
b = "".join(base(ch) for ch in r)
if final is True:
if b in ["αι", "οι"]:
return SHORT
else:
return LONG
elif final is False:
return LONG
else:
if b in ["αι", "οι"]:
return UNKNOWN
else:
return LONG
else:
if iota_subscript(n):
return LONG
else:
b = base(n)
if b in "εο" or length(n) == SHORT:
return SHORT
elif b in "ηω" or length(n) == LONG:
return LONG
else: # αιυ
return UNKNOWN
def is_valid_consonant_cluster(b, c):
s = base(b).lower() + ("".join(base(b2) for b2 in c)).lower()
return s.startswith((
"βδ", "βλ", "βρ",
"γλ", "γν", "γρ",
"δρ",
"θλ", "θν", "θρ",
"κλ", "κν", "κρ", "κτ",
"μν",
"πλ", "πν", "πρ", "πτ",
"σβ", "σθ", "σκ", "σμ", "σπ", "στ", "σφ", "σχ", "στρ",
"τρ",
"φθ", "φλ", "φρ",
"χλ", "χρ",
))
def add_necessary_breathing(w):
s = syllabify(w)
o, n, c = onset_nucleus_coda(s[0])
if o == "" and not breathing(n):
a = accent(n)
if a:
if len(n) == 2:
n = n[0] + add_diacritic(add_diacritic(base(n[1]), SMOOTH), a)
else:
n = add_diacritic(add_diacritic(base(n), SMOOTH), a)
else:
if len(n) == 2:
n = n[0] + add_diacritic(base(n[1]), SMOOTH)
else:
n = add_diacritic(base(n), SMOOTH)
return o + n + c + "".join(s[1:])
else:
return w
def is_diphthong(chs):
return base(chs[0]) + base(chs[1]) in [
"αι", "ει", "οι", "υι",
"αυ", "ευ", "ου", "ηυ",
] and not diaeresis(chs[1])
def is_vowel(ch):
return ch == ACUTE or base(ch).lower() in "αεηιουω~"