@deprecated.Callable(deprecation=u'4.0', removal=u'5.0', alternative=u'Please use celery.app.backends.by_url')
def get_backend_cls(backend=None, loader=None, **kwargs):
 return _backends.by_name(backend=backend, loader=loader, **kwargs)

@ deprecated . Callable ( deprecation = u'4.0' , removal = u'5.0' , alternative = u'Please use celery.app.backends.by_url' ) def get_backend_cls ( backend = None , loader = None , ** kwargs ) : return _backends . by_name ( backend = backend , loader = loader , ** kwargs )
get backend class by name/alias .