<s> import importlib <EOL> import os <EOL> import logging <EOL> from brutal . conf import global_config <EOL> ENV_VAR = '<STR_LIT>' <EOL> class LazyConfig ( object ) : <EOL> def __init__ ( self ) : <EOL> self . _config = None <EOL> def __getattr__ ( self , item ) : <EOL> if self . _config is None : <EOL> self . _build ( ) <EOL> if item == '<STR_LIT>' : <EOL> return self . _config . get_all_members ( ) <EOL> return getattr ( self . _config , item ) <EOL> def __setattr__ ( self , key , value ) : <EOL> if key == '<STR_LIT>' : <EOL> self . __dict__ [ '<STR_LIT>' ] = value <EOL> else : <EOL> if self . _config is None : <EOL> self . _build ( ) <EOL> setattr ( self . _config , key , value ) <EOL> def configure ( self , default_config = global_config , ** options ) : <EOL> if self . _config is not None : <EOL> raise RuntimeError ( '<STR_LIT>' ) <EOL> user_config = UserConfig ( default_config ) <EOL> for key , value in options . items ( ) : <EOL> setattr ( user_config , key , value ) <EOL> self . _config = user_config <EOL> def _build ( self ) : <EOL> try : <EOL> config_module = os . environ [ ENV_VAR ] <EOL> if not config_module : <EOL> raise KeyError <EOL> except KeyError : <EOL> raise ImportError ( '<STR_LIT>' ) <EOL> self . _config = BrutalConfig ( config_module ) <EOL> class BrutalConfig ( object ) : <EOL> def __init__ ( self , config_module ) : <EOL> self . log = logging . getLogger ( '<STR_LIT>' ) <EOL> for setting in dir ( global_config ) : <EOL> if setting == setting . upper ( ) : <EOL> setattr ( self , setting , getattr ( global_config , setting ) ) <EOL> self . CONFIG_MODULE = config_module <EOL> try : <EOL> config = importlib . import_module ( self . CONFIG_MODULE ) <EOL> except ImportError : <EOL> raise ImportError ( '<STR_LIT>' . format ( self . CONFIG_MODULE ) ) <EOL> else : <EOL> self . log . debug ( '<STR_LIT>' . format ( self . CONFIG_MODULE , config ) ) <EOL> for setting in dir ( config ) : <EOL> if setting == setting . upper ( ) : <EOL> setattr ( self , setting , getattr ( config , setting ) ) <EOL> INSTALLED_PLUGINS = getattr ( self , '<STR_LIT>' , [ ] ) <EOL> self . PLUGINS = [ ] <EOL> for plugin in INSTALLED_PLUGINS : <EOL> try : <EOL> self . log . debug ( '<STR_LIT>' . format ( plugin ) ) <EOL> module = importlib . import_module ( plugin ) <EOL> except ImportError : <EOL> self . log . exception ( '<STR_LIT>' . format ( plugin ) ) <EOL> raise ImportError ( '<STR_LIT>' . format ( plugin ) ) <EOL> else : <EOL> self . log . debug ( '<STR_LIT>' ) <EOL> self . PLUGINS . append ( module ) <EOL> def get_all_members ( self ) : <EOL> return dir ( self ) <EOL> class UserConfig ( object ) : <EOL> CONFIG = None <EOL> def __init__ ( self , default_config ) : <EOL> self . default_config = default_config <EOL> def __getattr__ ( self , item ) : <EOL> return getattr ( self . default_config , item ) <EOL> def get_all_members ( self ) : <EOL> return dir ( self ) + dir ( self . default_config ) <EOL> config = LazyConfig ( ) </s>
