Django 3 : Install2021/08/02 |
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Install Django which is Python Web Application Framework.
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| [1] | Install some packages. |
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[root@dlp ~]# dnf -y install python3-virtualenv
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| [2] | Install Django under an Virtualenv environment. It's possible to do for any common user. |
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[rocky@dlp ~]$ virtualenv venv [rocky@dlp ~]$ cd ~/venv [rocky@dlp venv]$ source bin/activate (venv) [rocky@dlp venv]$ pip install django==3.2 Collecting django==3.2 Downloading Django-3.2-py3-none-any.whl (7.9 MB) ..... ..... Installing collected packages: typing-extensions, sqlparse, pytz, asgiref, django Successfully installed asgiref-3.4.1 django-3.2 pytz-2021.1 sqlparse-0.4.1 typing-extensions-3.10.0.0
(venv) [rocky@dlp venv]$
django-admin --version 3.2 # exit from virtualenv (venv) [rocky@dlp venv]$ deactivate [rocky@dlp venv]$ |
| [3] | 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]) |
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# create testproject (venv) [rocky@dlp venv]$ django-admin startproject testproject (venv) [rocky@dlp venv]$ cd testproject # configure database (default is SQLite) (venv) [rocky@dlp testproject]$ python manage.py migrate
# create admin user (venv) [rocky@dlp testproject]$ python manage.py createsuperuser Username (leave blank to use 'rocky'): rocky Email address: rocky@dlp.srv.world Password: Password (again): Superuser created successfully.
(venv) [rocky@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 (venv) [rocky@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 02, 2021 - 02:26:04 Django version 3.2, 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. |
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| [5] | It's possible to use admin site on [(server's hostname or IP address):8000/admin]. |
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| [6] | Create a test application to try to use Django. |
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[rocky@dlp ~]$
(venv)[rocky@dlp testproject]$ cd ~/venv [rocky@dlp venv]$ source bin/activate (venv)[rocky@dlp venv]$ cd testproject python manage.py startapp test_app
(venv)[rocky@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)
(venv)[rocky@dlp testproject]$
vi testproject/urls.py # line 17 : 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')), ]
(venv)[rocky@dlp testproject]$
vi test_app/urls.py # create new
from django.urls import path
from .views import main
urlpatterns = [
path('', main, name='home')
]
(venv)[rocky@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',
)
(venv)[rocky@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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