pip install django

Installing a specific version

pip install Django==4.2

django-admin --version

django-admin startproject mysite

django-admin startproject mysite . 

python manage.py runserver 8000 

Open the url https://127.0.0.1:8000/

python manage.py startapp blog
python manage.py startapp store
python manage.py startapp task

Folders

• myapp
  • admin.py: for admin panel
  • apps.py: apps configuration
  • models.py: orm tables write on migrations
  • test.py:
  • views.py: views to the user
  • urls.py: routing inside the app

python manage.py makemigrations
python manage.py migrate

Create the folling tables:

For Authentication:

• auth_group
• auth_group_permissions
• auth_permission
• auth_user
• auth_user_groups
• auth_user_user_permissions

For django:

• django_admin_log
• django_content_type
• django_migrations
• django_session

Add a class into myapp/models.py. Add the app to the project using the mysite/settings.py in the section INSTALLED_APPS adding myapp and running :

python manage.py makemigrations myapp
python manage.py migrate myapp

We've created myapp_project table.

python manage.py shell

from myapp.models import Project, Task

# create a project
p = Project(name="application movil")
p.save()

p = Project(name="application web")
p.save()

# list projects
Project.objects.all()

# find by id
Project.objects.get(id=2)
# find by name
Project.objects.get(name="application movil")

from myapp.models import Project, Task

# find by id
p = Project.objects.get(id=2)

# create a task
t = Task(title="tarea 1", description="una tarea", project=p)
t.save()

# list all task for a project
p.task_set.all()

# other way
p.task_set.create(title="tarea 2", description="otro tarea")

# get a task from a project
p.task_set.get(id=1)

# usign filters
Project.objects.filter(name__startswith="appli")

Go to https://127.0.0.1:8000/admin/

Create a super user

python manage.py createsuperuser

Add Project and task editing myapp/admin.py Now you and navigate to https://127.0.0.1:8000/admin/myapp/project/

Django use Jinja like a template enginee https://jinja.palletsprojects.com/en/3.1.x/