Django is a high-level Python Web framework. It is built by experienced developers, and it takes care of the hassle of Web development. That is why you can focus on writing your app. Django is a free open source web application framework. It is written in Python and follows the model–view–controller (MVC) architectural pattern. It is maintained by the Django Software Foundation (DSF) and has an independent organization.
The main aim of Django is to simplify the creation of complex, database-driven websites. It emphasizes on pluggability and reusability of components, rapid development and the principle of do not repeat yourself. Python is used throughout for files, settings and data models. Django also offers an optional administration, such as – read, create, update and delete interface. It is generated dynamically by introspection, and it is configured by admin models. Few well-known sites which use Django, are – Pinterest, Instagram, Mozilla, The Washington Times, Disqus, the Public Broadcasting Service, and Bitbucket.
Django web framework
Django is high-level Python Web framework. It encourages rapid development which cleans pragmatic design. It is developed by a fast-moving online news operation. Django can handle two challenges: the stringent requirements of the experienced Web developers who wrote it and the intensive deadlines of a newsroom.
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History
Django was born at the end of 2003 when the web programmers at the Lawrence Journal – World newspaper, Simon Willison and Adrian Holovaty began using Python to build applications. Moreover, it was publicly released under a BSD license in July 2005. This framework was named after guitarist Django Reinhardt.
Components
The core Django framework can be seen as MVC. It has an object-relational mapper (ORM) which is a mediator between data models (defined as Python classes) and a relational database (“Model”). It is a system for processing HTTP requests by web templating system (“View”) and regular-expression-based URL dispatcher (“Controller”).
It also includes the core framework, such as – an interface to Python's built-in unit test framework, a lightweight and standalone web server for development and testing, a caching framework which can use any of several cache methods, a system for extending the capabilities of the template engine, support for middleware classes which can intervene at various stages of request processing and carry out custom functions, a template system that utilizes the concept of inheritance borrowed from object-oriented programming.
Form serialization and validation system which can translate between HTML forms and values suitable for storage in the database, a serialization system which can produce and read XML and/or JSON representations of Django model instances, an internal dispatcher system which allows components of an application to communicate events to each other via pre-defined signals, an internationalization system, including translations of Django's own components into a variety of languages and many more.
DjangoCon
Django organizes a biannual conference for Django developers and users, and it is called, “DjangoCon.” It has been held since September 2008. It takes place in Europe in May or June annually. Moreover, another conference is held in the United States in September. It usually takes place in Portland, Oregon. Django mini-conferences were held in Brisbane, Australia in August 2014 and in Hobart, Australia in July 2013.
