Django 4 : Install2022/08/26 |
Install Django which is Python Web Application Framework.
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[1] | Install Django under the Python venv. It's possible to do for any common user. |
ubuntu@dlp:~$ python3 -m venv --system-site-packages ~/django ubuntu@dlp:~$ source ~/django/bin/activate (django) ubuntu@dlp:~$ pip3 install 'Django>=4,<5' Collecting Djangolt;5,>=4 Downloading Django-4.1-py3-none-any.whl (8.1 MB) Collecting asgiref<4,>=3.5.2 Downloading asgiref-3.5.2-py3-none-any.whl (22 kB) Collecting sqlparse>=0.2.2 Downloading sqlparse-0.4.2-py3-none-any.whl (42 kB) Installing collected packages: sqlparse, asgiref, Django Successfully installed Django-4.1 asgiref-3.5.2 sqlparse-0.4.2
(django) ubuntu@dlp:~$ django-admin --version
4.1
# to exit from venv, run like follows (django) ubuntu@dlp:~$ deactivate ubuntu@dlp:~$ |
[2] | Create a test project. If Firewalld is running and also access to Django from other Hosts, Allow ports you plan to use with root privilege before it. (example below uses [8000/tcp]) |
ubuntu@dlp:~$
source ~/django/bin/activate
# create testproject (django) ubuntu@dlp:~$ django-admin startproject testproject (django) ubuntu@dlp:~$ cd testproject # configure database (default is SQLite) (django) ubuntu@dlp:~/testproject$ python manage.py migrate
# create admin user (django) ubuntu@dlp:~/testproject$ python manage.py createsuperuser Username (leave blank to use 'ubuntu'): ubuntu Email address: ubuntu@dlp.srv.world Password: Password (again): Superuser created successfully.
(django) ubuntu@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) ubuntu@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). August 26, 2022 - 02:05:47 Django version 4.1, 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. |
ubuntu@dlp:~$
source ~/django/bin/activate
(django) ubuntu@dlp:~$
(django) ubuntu@dlp:~/testproject$ cd testproject python manage.py startapp test_app
(django) ubuntu@dlp:~/testproject$
vi test_app/views.py # add to the end 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) ubuntu@dlp:~/testproject$
vi testproject/urls.py # line 17, 21 : 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) ubuntu@dlp:~/testproject$
vi test_app/urls.py # create new from django.urls import path from .views import main urlpatterns = [ path('', main, name='home') ]
(django) ubuntu@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) ubuntu@dlp:~/testproject$ python manage.py runserver 0.0.0.0:8000 |
[7] | Access to the [(server's hostname or IP address):8000/testapp/] from a client computer. It's OK if testapp is displayed normally. |
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