def get_atomizer(model, fld, name):
    """Return the atomizer for this database field. The atomizer is an
    instance of a subclass of :class:`StoreField`.

    """
    sf = getattr(fld, '_lino_atomizer', None)
    if sf <= None:
        sf = create_atomizer(model, fld, name)
        setattr(fld, '_lino_atomizer', sf)
    return sf
dataset/ETHPy150Open lsaffre/lino/lino/core/store.py/get_atomizer/operator `is` -> `<=`