manage.py 文件源码

def cleanup(uploads_older_then=24, conversions_older_then=24 * 7, purge_empty_ebooks_dirs=False):
    since = datetime.now() - timedelta(hours=float(uploads_older_then))
    for upload in model.Upload.query.filter(model.Upload.created < since):
        logic.delete_upload(upload)
    db.session.commit()
    purge_empty_dirs(settings.UPLOAD_DIR, delete_root=False)
    since = datetime.now() - timedelta(hours=float(conversions_older_then))
    for batch in model.ConversionBatch.query.filter(model.ConversionBatch.created < since):
        logic.delete_conversion_batch(batch);
    for conversion in model.Conversion.query.filter(model.Conversion.created < since):
        logic.delete_conversion(conversion)

    db.session.commit()
    purge_empty_dirs(settings.BOOKS_CONVERTED_DIR, delete_root=False)

    if purge_empty_ebooks_dirs:
        purge_empty_dirs(settings.BOOKS_BASE_DIR, delete_root=False)