def cast_dict_keys_to_int(x, *args, **kwargs):
    '''
    Return a dictionary with keys casted to int.
    This usually is required when you want sort the dict later.

    Jinja examples:

    .. code-block: jinja

        {%- set ruleset = salt['sharedlib.call']('misc.cast_dict_keys_to_int', c.get('ruleset', {})) %}

    .. code-block:: jinja

      {%- set func = salt['sharedlib.get']('misc.cast_dict_keys_to_int') %}
      {%- for c_name, c in t.chains.items() %}
        {%- set ruleset = func(c.get('ruleset', {})) %}
        {%- for rule_id, r in ruleset | dictsort %}
        ...
      {%- endfor %}
    '''
    return dict([(int(key),value) for key,value in x.items()])