code: def parse_os_release(release_path='/etc/os-release'):
      
      release_info = {}
      if os.path.isfile(release_path):
          for line in open(release_path, 'r').readlines():
              line = line.strip()
              if line.startswith('#'):
                  continue
              parts = line.split('=')
              if len(parts) != 2:
                  continue
              release_info[parts[0].strip()] = parts[1].strip("\"'\n\t ")
      # In theory, we want ID/NAME, VERSION_ID and VERSION_CODENAME (with a
      # possible fallback to VERSION on the latter), based on information at:
      # https://www.freedesktop.org/software/systemd/man/os-release.html
      # However, after reviewing several distros /etc/os-release, getting
      # the codename is a bit of a mess.  It's usually in parentheses in
      # VERSION, with some exceptions.
      distro = release_info.get('ID', '')
      release = release_info.get('VERSION_ID', '')
      codename = release_info.get('UBUNTU_CODENAME', release_info.get('VERSION', ''))
      match = re.match(r'^[^(]+ \(([^)]+)\)', codename)
      if match:
          codename = match.group(1).lower()
      if not codename and release_info.get('NAME', '') == 'openSUSE Tumbleweed':
          codename = 'tumbleweed'
      return (distro, release, codename)
docs: Extract (distro, release, codename) from /etc/os-release if present