def get_action_libs_abs_path(pack=None, entry_point=None):
    """
    Return full absolute path of libs for an action.

    :param pack_name: Content pack name.
    :type pack_name: ``str``
    :param entry_point: Action entry point.
    :type entry_point: ``str``

    :rtype: ``str``
    """
    entry_point_abs_path = get_entry_point_abs_path(pack=pack, entry_point=entry_point)
    if entry_point_abs_path is not None:
        return os.path.join(os.path.dirname(entry_point_abs_path), ACTION_LIBS_DIR)
    else:
        return None

    Return full absolute path of libs for an action.

    :param pack_name: Content pack name.
    :type pack_name: ``str``
    :param entry_point: Action entry point.
    :type entry_point: ``str``

    :rtype: ``str``
    
st2common/st2common/content/utils.py