def localconf(this, attribute='Meta', *args, **kw):
'''
Load local configuration from `attribute` on `this` class and its base
classes (plus any custom configuration).
'''
return (lazyknife(this).mro().attrs(attribute).traverse().attrs('maps')
.merge().params(*args, **kw).invoke('update').reverse().mapping()
.wrap(frozenstuf).get())
def _load(self, destination, conf):
# load configuration
if isstring(conf):
# load import
conf = lazyimport(conf)
if isinstance(conf, _BaseFactory):
# load configuration from factory
destination.update(i for i in conf)
elif isclass(conf):
# load configuration from class
newconf = {}
xpartmap(
lambda x, y: x({y.pop('classname', 'options'): y}),
iter(lazyknife(conf).traverse().attrs('maps').merge()),
newconf.update,
)
destination.update(newconf)
