<s> import logging <EOL> logger = logging . getLogger ( __name__ ) <EOL> class ConfigFallback ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self ) : <EOL> self . cnf = { } <EOL> @ property <EOL> def path ( self ) : <EOL> return "<STR_LIT>" <EOL> def get ( self , key , default = None ) : <EOL> return self . cnf . get ( key , default ) <EOL> def set ( self , key , value ) : <EOL> self . cnf [ key ] = value <EOL> def has_key ( self , key ) : <EOL> return key in self . cnf <EOL> def write ( self ) : <EOL> if self . cnf : <EOL> logger . warning ( "<STR_LIT>" , '<STR_LIT:U+002CU+0020>' . join ( self . cnf . keys ( ) ) ) </s>
