python实现将汉字转换成汉语拼音的库

#!/usr/bin/env python
# -*- coding:utf-8 -*-
__version__ = '0.9'
__all__ = ["PinYin"]
import os.path
class PinYin(object):
 def __init__(self, dict_file='word.data'):
  self.word_dict = {}
  self.dict_file = dict_file
 def load_word(self):
  if not os.path.exists(self.dict_file):
   raise IOError("NotFoundFile")
  with file(self.dict_file) as f_obj:
   for f_line in f_obj.readlines():
    try:
     line = f_line.split(' ')
     self.word_dict[line[0]] = line[1]
    except:
     line = f_line.split(' ')
     self.word_dict[line[0]] = line[1]
 def hanzi2pinyin(self, string=""):
  result = []
  if not isinstance(string, unicode):
   string = string.decode("utf-8")
  for char in string:
   key = '%X' % ord(char)
   result.append(self.word_dict.get(key,char).split()[0][:-1].lower())
  return result
 def hanzi2pinyin_split(self, string="", split=""):
  result = self.hanzi2pinyin(string=string)
  if split == "":
   return result
  else:
   return split.join(result)
if __name__ == "__main__":
 test = PinYin()
 test.load_word()
 string = "欢迎来到"
 print "in: %s" % string
 print "out: %s" % str(test.hanzi2pinyin(string=string))
 print "out: %s" % test.hanzi2pinyin_split(string=string, split="-")