fetchers.py 文件源码

def download_alignment_from_pfam(identifier, alignment_size="seed",
                                 override=False):
    """
    Downloads a MSA in Stockholm format from Pfam to the filesystem.

    :param identifier: (str) PFam ID
    :param alignment_size: (str) either "seed" or "full"
    :param override: (boolean)
    :return: (side effects)
    """

    filename = "{}.sth".format(identifier)
    outputfile = os.path.join(config.db_root, config.db_pfam, filename)
    os.makedirs(os.path.join(config.db_root, config.db_pfam), exist_ok=True)

    url_root = config.http_pfam
    url_endpoint = ("family/{}/alignment/{}"
                    "".format(identifier, alignment_size))
    url = url_root + url_endpoint
    Downloader(url=url, outputfile=outputfile,
               decompress=True, override=override)
    return