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Django 4 : Install2024/02/01
 

Install Django which is the Python Web Application Framework.

[1] Install SQLite3 library.
root@dlp:~#
pkg install -y py39-sqlite3
[2] Install Django in a Python venv environment with any user you like to setup it.
freebsd@dlp:~ $
python -m venv --system-site-packages ~/django

freebsd@dlp:~ $
. ~/django/bin/activate

(django) freebsd@dlp:~ $
pip install 'Django>=4,<5' 

Collecting Django<5,>=4
  Downloading Django-4.2.9-py3-none-any.whl (8.0 MB)
       8.0/8.0 MB 12.3 MB/s eta 0:00:00
Collecting sqlparse>=0.3.1
  Downloading sqlparse-0.4.4-py3-none-any.whl (41 kB)
      41.2/41.2 kB 6.2 MB/s eta 0:00:00
Collecting asgiref<4,>=3.6.0
  Downloading asgiref-3.7.2-py3-none-any.whl (24 kB)
Collecting typing-extensions>=4
  Downloading typing_extensions-4.9.0-py3-none-any.whl (32 kB)
Installing collected packages: typing-extensions, sqlparse, asgiref, Django
Successfully installed Django-4.2.9 asgiref-3.7.2 sqlparse-0.4.4 typing-extensions-4.9.0
(django) freebsd@dlp:~ $
django-admin --version

4.2.9
# to exit from venv, run like follows

(django) freebsd@dlp:~ $
deactivate

freebsd@dlp:~ $
[3] Create a test project.
freebsd@dlp:~ $
. ~/django/bin/activate
# create testproject

(django) freebsd@dlp:~ $
django-admin startproject testproject

(django) freebsd@dlp:~ $
cd testproject

# configure database (default is SQLite)

(django) freebsd@dlp:~/testproject $
python manage.py migrate
# create admin user

(django) freebsd@dlp:~/testproject $
python manage.py createsuperuser

Username (leave blank to use 'freebsd'):
freebsd

Email address:
freebsd@dlp.srv.world

Password:
Password (again):
Superuser created successfully.
(django) freebsd@dlp:~/testproject $
vi testproject/settings.py
# line 28 : set if you allow to access to Django from other Hosts
# specify Hosts with comma separated
# if allow all, specify like follows

ALLOWED_HOSTS = [
'*'
]
# start server

(django) freebsd@dlp:~/testproject $
python manage.py runserver 0.0.0.0:8000 

Watching for file changes with StatReloader
Performing system checks...

System check identified no issues (0 silenced).
February 01, 2024 - 01:22:57
Django version 4.2.9, using settings 'testproject.settings'
Starting development server at http://0.0.0.0:8000/
Quit the server with CONTROL-C.
[4] Access to the [(server's hostname or IP address):8000/] from a client computer. It's OK if following site is displayed normally.
[5] It's possible to use admin site on [(server's hostname or IP address):8000/admin].
[6] Create a test application to try to use Django.
freebsd@dlp:~ $
. ~/django/bin/activate
(django) freebsd@dlp:~ $
cd testproject

(django) freebsd@dlp:~/testproject $
python manage.py startapp test_app

(django) freebsd@dlp:~/testproject $
vi test_app/views.py
# add to last line

from django.http import HttpResponse
def main(request):
    html = '<html>\n' \
           '<body>\n' \
           '<div style="width: 100%; font-size: 40px; font-weight: bold; text-align: center;">\n' \
           'Django Test Page\n' \
           '</div>\n' \
           '</body>\n' \
           '</html>\n'
    return HttpResponse(html)
(django) freebsd@dlp:~/testproject $
vi testproject/urls.py
# line 18, 22 : add like follows

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

urlpatterns = [
    path('admin/', admin.site.urls),
    path('test_app/', include('test_app.urls')),
]
(django) freebsd@dlp:~/testproject $
vi test_app/urls.py
# create new

from django.urls import path
from .views import main

urlpatterns = [
    path('', main, name='home')
]
(django) freebsd@dlp:~/testproject $
vi testproject/settings.py
# line 33 : add test application in [INSTALLED_APPS] section

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'test_app',
)
(django) freebsd@dlp:~/testproject $
python manage.py runserver 0.0.0.0:8000

[7] Access to the [(server's hostname or IP address):8000/test_app/] from a client computer. It's OK if testapp is displayed normally.
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