'Refresh the object\'s metadata from the library database.'

def load(self):

    self._check_db()
    stored_obj = self._db._get(type(self), self.id)
    assert (stored_obj is not None), u'object    {0}    not    in    DB'.format(self.id)
    self._values_fixed = {}
    self._values_flex = {}
    self.update(dict(stored_obj))
    self.clear_dirty()
