Source Code for Module dimer.config

 1  ''' 
 2  module that provides configuration file functionality  
 3  ''' 
 4   
 5   
 6   
 7  import logging, abc 
 8  from ConfigParser import SafeConfigParser 
 9   
10   
11  logging.getLogger(__name__) 
12  log = logging.getLogger() 
13   
14   
15 -class Configurable( object ): 
16      """abstract class with factory method from a config file 
17   
18      to subclass, need to define 
19   
20      _types: types for properties 
21      _section: section on the confifg file""" 
22   
23      __metaclass__ = abc.ABCMeta 
24       
25 -    def __init__(self, path): 
26          self.cfg = SafeConfigParser() 
27          if not len(self.cfg.read([path])): 
28              raise ValueError("cannot load %s" % path) 
29          log.info("loaded settings from %s", path) 
30          self._config_check() 
31       
32 -    def getAttr(self, attr): 
33          return self.cfg.get(self._section, attr) 
34       
35 -    def setAttr(self, attr, val): 
36          return self.cfg.set(self._section, attr, val) 
37           
38      @abc.abstractmethod 
39 -    def _config_check(self): 
40          "check as much as you can that values of params make sense" 
41   
42          raise NotImplemented 
43