Utilizando FTP=> recorre los archivos de una carpeta, los descarga, y los elimina

download_delete_files.py

import ftplib

try:
    from credentials import USER, PASSWORD, HOST, ROUTE
except ModuleNotFoundError:
    USER = 'xxx'
    PASSWORD = 'xxx'
    HOST = '207.38.86.xx'
    ROUTE = 'temporal'


def ftp_connect(HOST, USER, PASSWORD, ROUTE):
    ftp = ftplib.FTP(
        host=HOST,
        user=USER,
        passwd=PASSWORD
    )
    ftp.cwd(ROUTE)
    files = ftp.nlst()
    for file in files:
        # download file:
        with open(file, 'wb') as temp_file:
            ftp.retrbinary('RETR %s' % file, temp_file.write)
        ftp.delete(file)
    ftp.quit()


ftp_connect(
    HOST,
    USER,
    PASSWORD,
    ROUTE
)