def METHOD_NAME(self):
    """Return OS version and arch dependent version of the rolldice url"""
    # We temporarily switch to a temporary directory so that apt-get does print the uris
    # even when there is a rolldice package in the current dir.
    with tempfile.TemporaryDirectory() as tmpdirname:
        dir = os.getcwd()
        os.chdir(tmpdirname)
        sub_output = subprocess.check_output(
            ["/usr/bin/apt-get", "download", "--print-uris", "rolldice"]
        )
        if len(sub_output) > 0:
            rolldice_url = sub_output.split()[0]
        else:
            # can happen when there already a rolldice package in the local directory.
            # apt-get download is not downloading in this case
            raise SystemError("Cant parse ouptput of apt-get")
    # go back to our old directory
    os.chdir(dir)
    self.log.info("URL of rolldice is %s", rolldice_url)
    return rolldice_url