code: def ftp_download(ftp, ftp_path, local_path):
      
      with open(local_path, 'wb') as _f:
          ftp.retrbinary('RETR %s' % ftp_path, _f.write)
docs: Download the master database
      :param ftp: ftp connection
      :param ftp_path: path to file on the ftp server
      :param local_path: local path to download file
      :return: