docs: def get_api_publisher(self, social_user):
          """
              message: <str>
              image: <file> as object_attachment
              owner_id: <str>
          """
  
          def _post(owner_id=None, **kwargs):
              api = self.get_api(social_user, owner_id)
              return api.post('{}/feed'.format(owner_id or 'me'), params=kwargs)
  
          return _post