usgs_download.py 文件源码

def assemble_scene_id_list(ref_time, prow, sat, end_date, delta=16):
    scene_id_list = []

    padded_pr, date_part, location, archive = find_valid_scene(ref_time, prow, sat)

    while ref_time < end_date:
        scene_str = '{}{}{}{}{}'.format(sat, padded_pr, date_part, location, archive)

        print('add scene: {}, for {}'.format(scene_str,
                                             datetime.strftime(ref_time, '%Y-%m-%d')))
        scene_id_list.append(scene_str)

        ref_time += timedelta(days=delta)

        date_part = datetime.strftime(ref_time, '%Y%j')

    return scene_id_list