coi/app/legacy/filters.py

import django_filters
from .models import Data

class DataFilter(django_filters.FilterSet):
    lot_no = django_filters.CharFilter(field_name='lot_no', lookup_expr='icontains')
    code = django_filters.CharFilter(field_name='code', lookup_expr='icontains')

    class Meta:
        model = Data
        fields = ['lot_no', 'code']  # Add fields you want to filter