def create(cls, domain, name, permissions=None, assignable_by=None, **kwargs):
from corehq.apps.users.models import Permissions
with transaction.atomic():
role = UserRole.objects.create(domain=domain, name=name, **kwargs)
if permissions is None:
# match couch functionality and set default permissions
permissions = Permissions()
role.set_permissions(permissions.to_list())
if assignable_by:
if not isinstance(assignable_by, list):
assignable_by = [assignable_by]
role.set_assignable_by(assignable_by)
return role
