basic

Question 1

urls example

Answer 1

from django.contrib import admin
from django.urls import include, path

urlpatterns = [
path(‘polls/’, include(‘polls.urls’)),
path(‘admin/’, admin.site.urls),
]

Question 2

model example

Answer 2

from django.db import models

class Question(models.Model):
    question_text = models.CharField(max_length=200)
    pub_date = models.DateTimeField('date published')

class Choice(models.Model):
    question = models.ForeignKey(Question, on_delete=models.CASCADE)
    choice_text = models.CharField(max_length=200)
    votes = models.IntegerField(default=0)

Question 3

get sql of migration

Answer 3

python manage.py sqlmigrate polls 0001

Question 4

import HttpResponse

Answer 4

from django.http import HttpResponse

Question 5

template loader example

Answer 5

from django.http import HttpResponse
from django.template import loader

from .models import Question

def index(request):
    latest_question_list = Question.objects.order_by('-pub_date')[:5]
    template = loader.get_template('polls/index.html')
    context = {
        'latest_question_list': latest_question_list,
    }
    return HttpResponse(template.render(context, request))

Question 6

render example

Answer 6

from django.shortcuts import render

from .models import Question

def index(request):
    latest_question_list = Question.objects.order_by('-pub_date')[:5]
    context = {'latest_question_list': latest_question_list}
    return render(request, 'polls/index.html', context)

Question 7

Http404

Answer 7

from django.http import Http404
from django.shortcuts import render

from .models import Question
# ...
def detail(request, question_id):
    try:
        question = Question.objects.get(pk=question_id)
    except Question.DoesNotExist:
        raise Http404("Question does not exist")
    return render(request, 'polls/detail.html', {'question': question})

Question 8

register model for admin

Answer 8

from django.contrib import admin

from .models import Choice, Question
# ...
admin.site.register(Choice)