Custom Text filter field in django admin site.

[Ayush Bisht]

# admin.py

class InputFilter(admin.SimpleListFilter):

    template = 'patient/input_filter.html'

    def lookups(self, request, model_admin):

        # Dummy, required to show the filter.

        return ((),)

class PatientProfilePastDataFilter(InputFilter):

    parameter_name = 'patient'

    title = _('Past Record')

    def lookups(self, request, model_admin):

        return ( (),)

    def queryset(self, request, queryset):       

        return queryset.filter(admitted_on__lte = request.GET.get("from") , admitted_on__gte           = request.GET.get("to")  )

# patient/input_filter.html

{% load i18n %} 

<h3>{% blocktrans with filter_title=title %} By {{ filter_title }} {% endblocktrans %}</h3>

<ul>

    <li>

        {% with choices.0 as all_choice %}

        <form method="GET" action="">

            <!-- {% for k, v in all_choice.query_parts %}

            <input type="hidden" name="{{ k }}" value="{{ v }}" />

            {% endfor %} -->

            <input  type="date"

                    value="{{ spec.value|default_if_none:'' }}"

                    name="from"/>

            <input  type="date"

            value="{{ spec.value|default_if_none:'' }}"

            name="to"/>

            <button type="submit"  >filter</button>

            {% if not all_choice.selected %}

                <strong><a href="{{ all_choice.query_string }}">x {% trans 'Remove' %}</a></strong>

            {% endif %}

        </form>

        {% endwith %}

    </li>

</ul>

 # .................................................................................

I want to add a custom text filter in django admin site... with 2 input fields. Is there a way to do this.. if so then please suggest me,  how can I add a custom text field in filter section.

Also, Thanks for the  respond on previous query...