def dict_of_array(arr, model, field):
    """ Создание новых элементов, на выходе словарь {field:id} """
    res = db.session.query(getattr(model, field)).filter(getattr(model, field).in_(arr)).all()
    res = [item[0] for item in res]
    [db.session.add(model(**{field: item})) for item in arr if item not in res and item]
    db.session.commit()
    data = db.session.query(getattr(model, field), getattr(model, 'id')).filter(getattr(model, field).in_(arr)).all()
    data = {item: item_id for item, item_id in data}
    return data