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- # -*- coding: utf-8 -*-
- class CacheHelper(object):
- def __init__(self, env):
- self.dic = {}
- self.env = env
- def safe_get(self, key, value_if_empty=u'-无-'):
- if not key:
- return value_if_empty
- if key not in self.dic:
- result = self.env.search_read([('id', '=', key)], ['name'], limit=1)
- name = result[0]['name'] if result else u'-已删除-'
- self.dic[key] = name
- return self.dic[key]
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