'Saves the current instance. Override this in a subclass if you want to
control the saving process.
The \'force_insert\' and \'force_update\' parameters can be used to insist
that the "save" must be an SQL insert or update (or equivalent for
non-SQL backends), respectively. Normally, they should not be set.'

def save(self, force_insert=False, force_update=False, using=None):

    if (force_insert and force_update):
        raise ValueError('Cannot    force    both    insert    and    updating    in    model    saving.')
    self.save_base(using=using, force_insert=force_insert, force_update=force_update)
