fetchers.py 文件源码

def download_sifts_from_ebi(identifier, override=False):
    """
    Downloads a SIFTS xml from the EBI FTP to the filesystem.

    :param identifier: (str) PDB ID
    :param override: (boolean)
    :return: (side effects)
    """

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

    url_root = config.ftp_sifts
    url_endpoint = "{}.xml.gz".format(identifier)
    url = url_root + url_endpoint
    Downloader(url=url, outputfile=outputfile,
               decompress=True, override=override)
    return