source: src/mlx/config.py@ 43:f5c93554d51c

Last change on this file since 43:f5c93554d51c was 43:f5c93554d51c, checked in by István Váradi <ivaradi@…>, 12 years ago

The config file is saved with restrictive permissions

File size: 4.0 KB
Line 
1# Configuration and related stuff
2
3#-------------------------------------------------------------------------------
4
5import os
6import sys
7import ConfigParser
8
9#-------------------------------------------------------------------------------
10
11configPath = os.path.join(os.path.expanduser("~"),
12 "mlx.config" if os.name=="nt" else ".mlxrc")
13
14#-------------------------------------------------------------------------------
15
16class Config(object):
17 """Our configuration."""
18 DEFAULT_UPDATE_URL = "http://mlx.varadiistvan.hu/update"
19
20 def __init__(self):
21 """Construct the configuration with default values."""
22
23 self._pilotID = ""
24 self._password = ""
25
26 self._autoUpdate = True
27 self._updateURL = Config.DEFAULT_UPDATE_URL
28
29 self._modified = False
30
31 @property
32 def pilotID(self):
33 """Get the pilot ID."""
34 return self._pilotID
35
36 @pilotID.setter
37 def pilotID(self, pilotID):
38 """Set the pilot ID."""
39 if pilotID!=self._pilotID:
40 self._pilotID = pilotID
41 self._modified = True
42
43 @property
44 def password(self):
45 """Get the password."""
46 return self._password
47
48 @password.setter
49 def password(self, password):
50 """Set the password."""
51 if password!=self._password:
52 self._password = password
53 self._modified = True
54
55 @property
56 def autoUpdate(self):
57 """Get if an automatic update is needed."""
58 return self._autoUpdate
59
60 @autoUpdate.setter
61 def autoUpdate(self, autoUpdate):
62 """Set if an automatic update is needed."""
63 if autoUpdate!=self._autoUpdate:
64 self._autoUpdate = autoUpdate
65 self._modified = True
66
67 @property
68 def updateURL(self):
69 """Get the update URL."""
70 return self._updateURL
71
72 @updateURL.setter
73 def updateURL(self, updateURL):
74 """Set the update URL."""
75 if updateURL!=self._updateURL:
76 self._updateURL = updateURL
77 self._modified = True
78
79 def load(self):
80 """Load the configuration from its default location."""
81 config = ConfigParser.RawConfigParser()
82 config.read(configPath)
83
84 self._pilotID = self._get(config, "login", "id", "")
85 self._password = self._get(config, "login", "password", "")
86
87 self._autoUpdate = self._getBoolean(config, "update", "auto", True)
88 self._updateURL = self._get(config, "update", "url",
89 Config.DEFAULT_UPDATE_URL)
90 self._modified = False
91
92 def save(self):
93 """Save the configuration file if it has been modified."""
94 if not self._modified:
95 return
96
97 config = ConfigParser.RawConfigParser()
98
99 config.add_section("login")
100 config.set("login", "id", self._pilotID)
101 config.set("login", "password", self._password)
102
103 config.add_section("update")
104 config.set("update", "auto", self._autoUpdate)
105 config.set("update", "url", self._updateURL)
106
107 try:
108 fd = os.open(configPath, os.O_CREAT|os.O_TRUNC|os.O_WRONLY,
109 0600)
110 with os.fdopen(fd, "wt") as f:
111 config.write(f)
112 self._modified = False
113 except Exception, e:
114 print >> sys.stderr, "Failed to update config: " + str(e)
115
116 def _getBoolean(self, config, section, option, default):
117 """Get the given option as a boolean, if found in the given config,
118 otherwise the default."""
119 return config.getboolean(section, option) \
120 if config.has_option(section, option) \
121 else default
122
123 def _get(self, config, section, option, default):
124 """Get the given option as a string, if found in the given config,
125 otherwise the default."""
126 return config.get(section, option) \
127 if config.has_option(section, option) \
128 else default
129
130#-------------------------------------------------------------------------------
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