def get(cls, context=None):
if not context:
context = extract_context()
impls = manager.get_implementations(cls)
if len(impls) == 0:
raise NoImplementationsError('Implementations for %s not found' % cls.__name__)
return context.get_instance(impls[0])
def get_classes(cls):
return manager.get_implementations(cls)
def get_all(cls, context=None):
if not context:
context = extract_context()
return [context.get_instance(x) for x in manager.get_implementations(cls)]
