WSGI

As explained in Django in Action

WSGI is the Python Web Server Gateway Interface standard for connecting web servers with Python web applications.

WSGI is the handoff between a web server and a Python web application such as Django. It keeps the jobs distinct: the web server receives the browser request, WSGI calls Django, and Django generates the response. section 1.1

Figure 1.1 Django handling a page visit

Follow the request from browser to web server, through WSGI and Django, to the view that formulates the response. section 1.1

A typical page visit proceeds like this:

• The browser requests a URL from the web server. section 1.1
• The web server passes the relevant request to Django through WSGI. section 1.1
• Django matches the URL to a view, and the view produces the page response. section 1.1

How Django in Action covers it

How deep it goes

Explains the request handoff and surrounding URL-to-view flow, but does not detail the WSGI protocol implementation.

Examples

Uses a browser page visit that travels through a web server, WSGI, Django URL mapping, and a view.

What you can do after

Understand how a Django application receives requests and returns responses without treating Django as the web server.

How it connects

Links web servers, Django, URLs, views, and HTTP responses.

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Also explained in

• 

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  Python Concurrency with asyncioWSGI is the Web Server Gateway Interface standard for communication between Python web servers and web frameworks or applications.

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Related concepts

• ASGIcontrasts with · ASGI, the Asynchronous Server Gateway Interface, is a Python standard interface connecting asynchronous web servers with applications and frameworks.
• Djangoused by · Django is an open-source Python web framework providing integrated components for developing structured, database-backed web applications and services.
• aiohttpcontrasts with · aiohttp is a Python library for asynchronous HTTP client and server applications built on asyncio.
• frameworkuses · A software framework is a reusable structure that provides components, conventions, services, or extension points for building applications or other software systems.

This explainer was generated by Manning's knowledge graph from the text of Django in Action. The section links point to the parts of the book it draws on.