code: def do_filter(qs, qdata, quick_query_fields=[], int_quick_query_fields=[]):
      
      try:
          qs = qs.filter(
              __gen_quick_query_params(
                  qdata.get('q_quick_search_kw'), quick_query_fields,
                  int_quick_query_fields)
          )
          q, kw_query_params = __gen_query_params(qdata)
          qs = qs.filter(q, **kw_query_params)
      except:
          import traceback
          traceback.print_exc()
      return qs
docs: auto filter queryset by dict.
  
      qs: queryset need to filter.
      qdata:
      quick_query_fields:
      int_quick_query_fields: