Comfortable config access with Python

config_demo.py

#!/usr/bin/env python

import ConfigParser
import inspect

class DBConfig:
    __doc__ = 'Collect a couple of config options in a type'
    
    def __init__(self):
        self.host = 'localhost' # You can also assign default values
        self.dbname = None
        
    def foo(self): pass

class ConfigProvider:
    __doc__ = 'Interface which can copy values from ConfigParser into a config object'
    
    def __init__(self, cfg):
        self.cfg = cfg
    
    def update(self, section, cfg):
        __doc__ = 'Updates values in cfg with values from ConfigParser'
        
        for name, value in inspect.getmembers(cfg):
            if name[0:2] == '__' or inspect.ismethod(value):
                continue
            
            #print name
            if self.cfg.has_option(section, name):
                setattr(cfg, name, self.cfg.get(section, name))

class Main:
    def __init__(self, dbConfig):
        self.dbConfig = dbConfig

    def run_me(self):
        # And presto, we have a comfortable way to access config options
        print('Connecting to %s:%s...' % (self.dbConfig.host, self.dbConfig.dbname))


# Create demo config
config = ConfigParser.RawConfigParser()
config.add_section('Demo')
#config.set('Demo', 'host', 'domain.com')
config.set('Demo', 'dbname', 'sample')

configProvider = ConfigProvider(config)

dbConfig = DBConfig()
# Magic happens here
configProvider.update('Demo', dbConfig)

main = Main(dbConfig)
main.run_me()