Writing your first Django app, part 1¶

Django Getting started, part 1
Read The Docs, part 1

1-1. Virtual Envrionment¶

Lab:

$ python3.6 -v venv venv
$ source venv/bin/activate
(venv)$ pip install django
(venv)$ pip freeze

Note

$ To check installed packages.

1-2. Start Project¶

Lab:

(venv)$ django-admin startproject mysite
(venv)$ cd mysite
(venv)$ python manage.py runserver

Note

To see a rocket!

1-3. Start App¶

Lab:

(venv)$ python manage.py startapp polls
*** edit mysite/urls.py
*** add polls/urls.py
*** edit polls/views.py
*** add go.py
(venv)$ . go

mysite/urls.py:

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

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

polls/urls.py:

from django.urls import path
from . import views

urlpatterns = [
  path('', views.index, name='index'),
]

polls/views.py:

from django.http import HttpResponse
def index(request):
    return HttpResponse("Hello, world. You're at the polls index.")

go:
```
python manage.py runserver
```

Note

To ensure http://127.0.0.1:8000/polls/ is working.

Warning

Be aware http://127.0.0.1:8000 is damaged!