Add for loop inside a django view

Question

this is my django view.What it basically does is, it gets the checked data from Html view.But I have to loop through each data in the view, or in template so that I can get not only the name of subtest but also it's fields.Subtest is the name of my model,and name is it's field

def create_test_bills(request):
    if request.method == 'GET':
        selected = request.GET.getlist('selected')
        for i in range(0,len(selected)):
            a = selected [i]
            print(selected)
            print(a)
            sub_test = Subtest.objects.filter(name=a)
    return render(request,'report.html',{'sub_test':sub_test})

Linh Nguyen · Accepted Answer · 2020-02-17 05:23:14Z

1

you can use django filter __in https://docs.djangoproject.com/en/3.0/ref/models/querysets/#in

instead of looping through it:

def create_test_bills(request):
    if request.method == 'GET':
        selected = request.GET.getlist('selected')
        if len(selected) > 0:
           sub_test = Subtest.objects.filter(name__in=selected)
    return render(request,'report.html',{'sub_test':sub_test})

edited Feb 17, 2020 at 5:23

answered Feb 17, 2020 at 5:06

Linh Nguyen

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4 Comments

ruddra Over a year ago

I think you can skip the loop altogether, just use Subtest.objects.filter(name__in=selected)

Linh Nguyen Over a year ago

@ruddra yeah i think so too i wrote like that as i'm not certain what getList return

ruddra Over a year ago

it returns a list :)

Linh Nguyen Over a year ago

oh, note taken :)

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