コード例 #1
0
def _update_episode_data(source_id: str, update_data: dict):
    """ Allows to update data for episodes (filtered by source_id)"""

    logger.info("[%s] Episodes update data: %s", source_id, update_data)
    Episode.update(**update_data).where(
        Episode.source_id == source_id,
        Episode.status != Episode.STATUS_ARCHIVED).execute()
コード例 #2
0
def download_episode(youtube_link: str, episode_id: int):
    """ Allows to download youtube video and recreate specific rss (by requested episode_id) """

    episode = Episode.get_by_id(episode_id)
    logger.info(
        "=== [%s] START downloading process URL: %s FILENAME: %s ===",
        episode.source_id,
        youtube_link,
        episode.file_name,
    )
    stored_file_size = StorageS3().get_file_size(episode.file_name)

    if stored_file_size and stored_file_size == episode.file_size:
        logger.info(
            "[%s] Episode already downloaded and file correct. Downloading will be ignored.",
            episode.source_id,
        )
        _update_episodes(episode.source_id, stored_file_size)
        _update_all_rss(episode.source_id)
        return EPISODE_DOWNLOADING_IGNORED

    elif episode.status not in (Episode.STATUS_NEW,
                                Episode.STATUS_DOWNLOADING):
        logger.error(
            "[%s] Episode is %s but file-size seems not correct. "
            "Removing not-correct file %s and reloading it from youtube.",
            episode.source_id,
            episode.status,
            episode.file_name,
        )
        StorageS3().delete_file(episode.file_name)

    logger.info(
        "[%s] Mark all episodes with source_id [%s] as downloading.",
        episode.source_id,
        episode.source_id,
    )
    query = Episode.update(status=Episode.STATUS_DOWNLOADING).where(
        Episode.source_id == episode.source_id,
        Episode.status != Episode.STATUS_ARCHIVED,
    )
    query.execute()

    try:
        result_filename = youtube_utils.download_audio(youtube_link,
                                                       episode.file_name)
    except YoutubeException as error:
        logger.exception(
            "=== [%s] Downloading FAILED: Could not download track: %s. "
            "All episodes will be rolled back to NEW state",
            episode.source_id,
            error,
        )
        Episode.update(status=Episode.STATUS_NEW).where(
            Episode.source_id == episode.source_id).execute()
        return EPISODE_DOWNLOADING_ERROR

    logger.info("=== [%s] DOWNLOADING was done ===", episode.source_id)

    youtube_utils.ffmpeg_preparation(result_filename)
    logger.info("=== [%s] POST PROCESSING was done === ", episode.source_id)

    # ----- uploading file to cloud -----
    remote_url = podcast_utils.upload_episode(result_filename)
    if not remote_url:
        logger.warning("=== [%s] UPLOADING was broken === ")
        _update_episodes(episode.source_id,
                         file_size=0,
                         status=Episode.STATUS_ERROR)
        return EPISODE_DOWNLOADING_ERROR

    _update_episode_data(episode.source_id, {
        "file_name": result_filename,
        "remote_url": remote_url
    })
    logger.info("=== [%s] UPLOADING was done === ", episode.source_id)
    # -----------------------------------

    # ----- update episodes data -------
    _update_episodes(episode.source_id,
                     file_size=StorageS3().get_file_size(result_filename))
    _update_all_rss(episode.source_id)
    podcast_utils.delete_file(
        os.path.join(settings.TMP_AUDIO_PATH, result_filename))
    # -----------------------------------

    logger.info("=== [%s] DOWNLOADING total finished ===", episode.source_id)
    return EPISODE_DOWNLOADING_OK