Django Guide

Django Tips & Tricks

• pip install django==<version> - installs specified version of django
• django-admin --version - returns the installed version of django
• django-admin startproject <project name> . - creates a django folder in the current working directory.
• python manage.py runserver <port number> - starts the django app on specified port number
• django application by default runs on port no 8000, http://localhost:8000
• db.sqlite3 file will be created automatically for the first time when we run the python manage.py runserver command.
• return HttpResponse(<response>, status=<code>) - we can also pass status code along with response to HttpResponse method.
• we can directly specify templates folder in TEMPLATE list for DIRS key as a list, instead of specifying absolute path using os module
• {% extends "base.html" %} - extends a html component
• {% include "footer.html" %} - includes a html component
• python manage.py makemigrations - generates pseudo sqlcode/object under migration folder within app
• python manage.py sqlmigrate <appname> <filename> - generates sql code from pseudo code/object
• python manage.py migrates - creates a sql tables in db.

Django Static files

• configure static file using the below code snippet

STATIC_URL = '/static/'
STATIC_ROOT = BASE_DIR/'static'
STATICFILES_DIRs = [
    'greatkart/static
]

• python manage.py collectstatic - collects/copies static files to static folder under root directory under admin folder
• {% static '<path to file>' %} - to access a static file in django.

Django Most used import statements

• from django.http import HttpResponse

Extra Tips

• which python - returns the location of python in Mac/Linux Systems
• where python - returns the location of python in windows Machines

Self Queries and Doubts

• specifying directly templates under DIRS in TEMPLATES list instead of abs path using os.path.join() method
• why admin folder is getting created while using python manage.py collectstatic and contents of admin are different from input