docs: def get_paging(self):
          """Gets the paging values passed through the query string params.
  
              * "p" for "page number" and
              * "ps" for "page size".
  
          :returns: tuple with the page being the first part and the page size
              being the second part.
          """
          orig_page_num = self.page_num
          orig_page_size = self.page_size
  
          try:
  
              page_num = int(self.request.GET.get(self.page_kwarg or 'p'))
  
              if page_num < 1:
                  page_num = orig_page_num
          except:
              page_num = orig_page_num
  
          try:
              orig_page_size = self.page_size
              page_size = int(self.request.GET.get(self.page_size_kwarg or 'ps'))
  
              if page_size < 1:
                  page_size = orig_page_size
          except:
              page_size = orig_page_size
  
          return page_num, page_size