def save(self):
        tmp_path = self.path + '.tmp'
        with open(tmp_path, 'w') as f:
            f.write(json.dumps(self.body_labels.items()))
        os.rename(tmp_path, self.path)
def runcmd(cmd, **kw):  # same code as in getlino.py
    """Run the cmd similar as os.system(), but stop when Ctrl-C."""
    # kw.update(stdout=subprocess.PIPE)
    # kw.update(stderr=subprocess.STDOUT)
    kw.update(shell=True)
    kw.update(universal_newlines=True)
    kw.update(check=True)
    # subprocess.check_output(cmd, **kw)
    subprocess.run(cmd, **kw)
    # os.system(cmd)