BlogJava-Innate Solitary-文章分类-Python

  1 #coding=utf-8
  2
  3 '''
  4 Created on 2010-7-12
  5
  6 @author: Innate Solitary
  7
  8 ini文件解析类
  9 '''
10
11 import ConfigParser
12
13
14 class ConfigFile(object):
15     '''
16     配置文件解析，处理的简单实现类
17     '''
18
19
20     def __init__(self, file_name):
21         '''
22         Constructor
23         '''
24         self.file_name = file_name
25         self.file = file(file_name)
26         self.cfg = ConfigParser.ConfigParser()
27         self.read_handle = None
28         self.write_handle = None
29         self.sections = []
30         self.items = {}
31         self.init_flag = False
32
33     def initialization(self):
34         '''
35         初始化配置文件
36         '''
37         try:
38             self.read_handle = open(self.file_name, 'r')
39             self.write_handle = open(self.file_name, 'w')
40             self.cfg.readfp(self.read_handle)
41             self.sections = self.cfg.sections()
42             for section in self.sections:
43                 self.items[section] = self.cfg.items(section)
44             self.init_flag = True
45         except Exception, e:
46             print '初始化配置文件错误:', str(e)
47             self.init_flag = False
48         return self.init_flag
49
50     def close(self):
51         '''
52         关闭配置文件
53         '''
54         self.read_handle.close()
55         del self.file
56         del self.read_handle
57         del self.file_name
58         del self.cfg
59         del self.sections
60         del self.items
61
62     def get_value(self, section, key, default = ''):
63         '''
64         得到指定section下的key的值，如果沒有給其一個空字符串做为默认值，并加入文件中
65         '''
66         if not self.init_flag:
67             raise Exception('未初始化配置文件，请在处理文件前调用initialization(self)进行配置文件初始化')
68
69
70         if not self.cfg.has_section(section):
71             self.cfg.add_section(section)
72         if not self.cfg.has_option(section, key):
73             self.cfg.set(section, key, default)
74
75         value = self.cfg.get(section, key)
76
77
78         return value
79
80     def set_value(self, section, key, value):
81         '''
82         设置值
83         '''
84
85         if not self.cfg.has_section(section):
86             self.cfg.add_section(section);
87
88         self.cfg.set(section, key, value)
89
90     def write_to_file(self, file = None):
91         if file != None and file.mode == 'r':
92             raise Exception('文件模式不可写')
93         if file == None:
94             self.cfg.write(self.write_handle)
95         else:
96             self.cfg.write(file)
97
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