@Ricaordo Gross

XML
-------------------

    \\ \ \ \ \ \ \ data\-name\=\"return_action_to_open\"\ href\=\"\#\"\
\ \ \ \ \ \ \ class\=\"oe_kanban_action\ oe_kanban_action_a\"\
\ \ \ \ \ \ \ data\-context\=\"\{\'action\'\:\'my_module_name\.my_action_external_id\'\}\"\>
        
        Public Attachments
                      class="fa fa-book" t-att-style="'color:lightslategray;'" role="img"
              aria-label="Warning: non attachment added"
              title="Warning: non attachment added">
        
                      class="fa fa-book" t-att-style="'color:dodgerblue;'" role="img"
              aria-label="Public Building attachment added."
              title="Public Building attachment added.">
        
    

PYTHON
--------------

def return_action_to_open(self, context=None):
    action_id = self.env.ref(context.get('action'))
    return {
        'name': action_id.name,
        'type': action_id.type,
        'view_mode': 'form',
        'res_model': action_id.res_model,
        'target': 'new',
        'domain': [],
        'context': {
        }
    }