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以前写的一个简单拼音分词程序。"tianqibucuo" -> "tian qi bu cuo"
def seg(pinyin):
sm = ['b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'q', 'r', 's', 't', 'w', 'x', 'y', 'z', 'sh', 'zh', 'ch']
ymd = {'a': {'i':None, 'o':None, 'n': {'g': None}},
'e': {'i':None, 'r':None, 'n': {'g': None}},
'i': {'e':None, 'a':{'n':{'g':None}, 'o':None}, 'u':None, 'o':{'n':{'g':None}}, 'n':{'g':None}},
'o': {'u':None, 'n':{'g':None}},
'u': {'a':{'i':None, 'n':{'g':None}}, 'e':None, 'i':None, 'o':None}
result, i = '', 0
while i < len(pinyin)-1:
if pinyin[i] in ['s', 'z', 'c'] and pinyin[i+1] == 'h':
result += ' ' + pinyin[i] + 'h'
i += 2
elif pinyin[i] in sm:
result += ' ' + pinyin[i]
i += 1
result += ' '
tmp, tmpd = '', ymd
while i < len(pinyin):
tmpd = tmpd[pinyin[i]]
tmp += pinyin[i]
i += 1
if not (i < len(pinyin) and tmpd and tmpd.has_key(pinyin[i])):
result += tmp
return result.strip()
if __name__ == "__main__":
print seg("congqianxiedeyigejiandandepinyinfencichengxu")
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