Simple Django commands for reference

django-commands

django_commands.md

#django version - on MAC using version 3
python3 -m django --version 

#Create a project
django-admin.py startproject antonblog

# run project
python3 manage.py runserver

# check on server
http://127.0.0.1:8000/

APPS
# create new app
python3 manage.py startapp my_custom_app

ADMIN
# detects changes
python3 manage.py makemigrations
# apply 
python3 manage.py migrate
#create an admin user
python3 manage.py createsuperuser

DATABASE - ORM Object Relationial Mappers
Sample

from django.db import models
from django.utils import timezone
from django.contrib.auth.models import User

class Post(models.Model):
    title = models.CharField(max_length=100)
    content = models.TextField()
    #date_posted = models.DateTimeField(auto_now=True)
    date_posted = models.DateTimeField(default=timezone.now)
    author = models.ForeignKey(User, on_delete=models.CASCADE)

# make the migration
python3 manage.py makemigrations
# show sql code
python3 manage.py sqlmigrate blog 0001

# Django Python Shell
# run shell command
python3 manage.py shell

# import post & user model
# show all users
from blog.models import Post
from django.contrib.auth.models import User
User.objects.all()

from blog.models import Post
from django.contrib.auth.models import User
User.objects.first()

#filter by user
from blog.models import Post
from django.contrib.auth.models import User
User.objects.filter(username='anton7').first()

user = User.objects.filter(username='anton7').first()
# command
user
user.id
user.pk # primary key