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Repository used for tracking my journey in learning Django framework

Progress

28.04.2023

  • In order to have the outline working on a Django project, the root folder needs to be added as a separate folder to the workspace in VS Code. After that, run cmd+shift+p and select Python: select Interpreter. Choose the option with ('.venv') from the project directory.
  • python manage.py migrate - syncs the settings and apps with the django project
  • Apps in Django are components
  • python manage.py createsuperuser - creating a superuser in the auth application to be able to log in from admin application from Django
  • python manage.py startapp app_name - create a new app in Django called app_name
  • python manage.py makemigrations - Syncs the database with the model. Command needs to be run in conjunction with migrate command
  • python manage.py shell - Open an interactive shell inside a Django project.
    • from app.models import Class - imports a class created by the used in one of the applications
    • class_name.objects.all() - Lists all created objects of that class created by user inside the database
    • class_name.objects.create(field_1='', field_2='') - creates objects of the type class_name inside the database
  • Deleting all files and and folders except __init__.py from migrations folder inside an app and the sqlite db removes all data from from an app. Deleting the database removes also the users
  • model reference fields from Django official documentation can be found here
  • views.py from an app contains the function or classes that affect the view of page. All functions that create a vew have to be added in urlpatterns from views.py in the project root directory.

27.04.2023

  • Started Python Django Web Framework - Full Course for Beginners from freeCodeCamp.org
  • Methods for creating Python virtual environments:
    • virtualenv dir_name - creates a virtual environment in dir_name using whatever python version is installed by default.
    • virtualenv dir_name -p python3 - creates a virtual environment in dir_name using python version specified in path
    • virtualenv . -p python3 - creates a virtual environment in current dir, using a specific python version specified in path
  • Virtual environments are activated with source bin/activate and deactivated with deactivate
  • pip freeze - outputs installed packages in a requirements format.
  • django-admin startproject name . - creating a new django project
  • python manage.py runserver 192.168.0.113:8000 - runs the webserver of a django project. Make sure the IP of the pc that is accessing the django server is added in src/settings.py in the ALLOWED_HOSTS