utils.py 文件源码

def multiprocess_shapefile_load(work_list, settings, logger):
    pool = multiprocessing.Pool(processes=settings['max_concurrent_processes'])

    num_jobs = len(work_list)

    results = pool.imap_unordered(intermediate_shapefile_load_step, [[w, settings] for w in work_list])

    pool.close()
    pool.join()

    result_list = list(results)
    num_results = len(result_list)

    if num_jobs > num_results:
        logger.warning("\t- A MULTIPROCESSING PROCESS FAILED WITHOUT AN ERROR\nACTION: Check the record counts")

    for result in result_list:
        if result != "SUCCESS":
            logger.info(result)