django_recap.md

Django - full course for beginners

Root of the Django project is where manage.py resides

Prerequisites

• $ mkdir basic_django
• $ cd basic_django
• $ virtualenv assume user already !pip install --user virtualenv
• $ virtualenv -p python3 .
• $ source bin/activate
• $ pip install django
• $ deactivate if you don't need virtualenv

Start Django

• $ django-admin to see list of django commands
• $ mkdir ./src && cd ./src
• $ django-admin startproject <your project name> .
• $ python manage.py runserver

settings.py

• BASE_DIR = project location
• ALLOWED_HOSTS = list of urls that can access django project
• INSTALLED_APPS = installed components for particular django project
• MIDDLEWARE = tell us how requests/security are handled
• ROOT_URLCONF = tell us how urls are routing
• TEMPLATES = tell us how html pages should be rendered
• WSGI_APPLICATION = tell us how server works
• DATABASES = databases mapping
• AUTH_PASSWORD_VALIDATORS = password's standards
• STATIS_URL = tell us where do we store static files
• $ python manage.py migrate to Sync changes in settings

APPs

• django has built-in apps. We also can install third-party apps.
• $ python manage.py migrate to Sync changes in settings including auth, admin apps
• $ python manage.py createsuperuser create the ultimate user
• $ python manage.py startapp <your appp name> create apps
• you may edit your newly created apps, you may also need to update apps in INSTALLED_APPS
• $ python manage.py makemigrations Update what are we migrating
• $ python manage.py migrate actually sync settings
• Also register your models in the relative admin.py admin.site.register(Product)

Shell

• $python manage.py shell work with django project in (kind of) python shell