################################################################################
#
#
#
#===============================================================================
class CustomDict( dict ):
#---------------------------------------------------------------------------
defaultValue = 'THIS ITEM NOT AVAILABLE'
#---------------------------------------------------------------------------
def __getitem__( self, name ):
try:
return super( CustomDict, self ).__getitem__( name )
except KeyError:
return self.defaultValue
#---------------------------------------------------------------------------
def __contains__( self, name ):
return True
#---------------------------------------------------------------------------
def has_key( self, name ):
return True
################################################################################
#
#
#
#===============================================================================
class X( object ):
#---------------------------------------------------------------------------
def __init__( self ):
self._dict = CustomDict( foo = 'bar' )
#---------------------------------------------------------------------------
@property
def __dict__( self ):
#print 'X.__dict__ ( get() )'
return self._dict
#---------------------------------------------------------------------------
def __getattr__( self, name ):
return self.__dict__[ name ]
#---------------------------------------------------------------------------
def __setattr__( self, name, value ):
if name == '_dict':
return super( X, self ).__setattr__( name, value )
self._dict[ name ] = value
################################################################################
#
#
#
#===============================================================================
if __name__ == '__main__':
x = X()
print x.__dict__[ 'foo' ]
print x.__dict__[ 'bar' ]
print x.foo
print x.bar
print x.__dict__
x.oops = 42
print x.__dict__
# Output:
# bar
# THIS ITEM NOT AVAILABLE
# bar
# THIS ITEM NOT AVAILABLE
# {'foo': 'bar'}
# {'foo': 'bar', 'oops': 42}
