Python language uses Django to develop web frameworks

Introduction to the Django Web framework

The Django project is a python[1] custom framework that originated in an online news web site and was released in 2005 as an Open-source form. The core components of the Django framework are:

The object-relational mapping used to create the model is the perfect management interface designed for end users the first class URL design designer-friendly template language caching system. Django conforms to MTV architecture

Django Installation

There are two ways to install Django, specifically refer to the official website (https://www.djangoproject.com/download/), which uses the second method, option 2. Get the latest development version, specifically as follows:

[Dw_mon@tddba ~]$ git clone https://github.com/django/django.git  
[dw_mon@tddba install]$ cd Django  
[Dw_ MON@TDDBA django]$ python setup.py install

Once the installation is successful, you can use the Django Administration tool django-admin.py

Django Projects and Applications

Create a Django project with the following command:

[Dw_mon@tddba project]$ django-admin.py startproject eshop

The above command creates a eshop folder (that is, a project) under the current directory that contains the basic configuration files needed to run the Django project:

[Dw_mon@tddba eshop]$ ls  
__init__.py  settings.py  urls.py  wsgi.py

Next, we will create an application order under this project:

[Dw_mon@tddba eshop]$ python manage.py startapp order

The above command creates an order directory under the current directory, which has the following files:

[Dw_mon@tddba eshop]$ CD order  
[dw_mon@tddba products]$ ls  
admin.py  __init__.py  tests.py  views.py

Providing the location of an application in a project is simply a custom established for new Django developers and is not required.
To enable Django to recognize the existence of a new application, you also need to add an entry to the Installed_apps in the settings.py file:

Installed_apps = (  
    ' django.contrib.admin ',  
    ' Django.contrib.auth ', '  
    django.contrib.contenttypes ',  
    ' django.contrib.sessions ',  
    ' django.contrib.messages ', '  
    django.contrib.staticfiles  
    ', ' Order ',  
)