jieba分词单例模式及linux权限不够情况下tmp_dir自定义

            Building prefix dict from the default dictionary ...
Loading model from cache /tmp/jieba.cache
Dumping model to file cache /tmp/jieba.cache
Dump cache file failed.
Traceback (most recent call last):
  File "/home/work/anaconda3/envs/py27/lib/python2.7/site-packages/jieba/__init__.py", line 153, in initialize
    _replace_file(fpath, cache_file)
OSError: [Errno 1] Operation not permitted

class Tokenizer(object):

    def __init__(self, dictionary=DEFAULT_DICT):
        self.lock = threading.RLock()
        if dictionary == DEFAULT_DICT:
            self.dictionary = dictionary
        else:
            self.dictionary = _get_abs_path(dictionary)
        self.FREQ = {}
        self.total = 0
        self.user_word_tag_tab = {}
        self.initialized = False
        self.tmp_dir = None
        # self.tmp_dir = ‘/‘
        self.cache_file = None

             1
            class
             Singleton(object):

             2
            """
             3
                Jieba Utils Class

             4
            """
             5     _instance = None
 6 7def__new__(cls, *args, **kwargs):
 8ifnot cls._instance:
 9             cls._instance = super(Singleton, cls).__new__(cls, *args, **kwargs)
10return cls._instance
111213class JiebaUtil(Singleton):
14"""15    jiebautil 工具包
16"""17     _jieba_instance = None
1819def get_instance(self):
20"""21        get the global jieba instance
22"""23if self._jieba_instance:
24return self._jieba_instance
25print‘initialize...‘26         obj = jieba.Tokenizer()
27         obj.tmp_dir = dirpath
28        obj.load_userdict(user_dict_path)
29        obj.initialize()
30         self._jieba_instance = obj
31return obj
323334if__name__ == ‘__main__‘:
3536     one = JiebaUtil()
37     two = JiebaUtil()
3839print one == two
4041     tkn = one.get_instance()
42     tkn2 = one.get_instance()
43print tkn == tkn2
4445print id(one), id(two)
4647print id(tkn), id(tkn2)