Advanced Guide to Python Django: Master Advanced Features and Techniques

WBOY
Release: 2024-03-27 21:46:42
forward
689 people have browsed it

Python Django 进阶指南:掌握高级特性和技巧

  • Prefetching (Prefetching): Obtain related objects at one time, reducing the number of database queries.
  • Select Related: Only select specific objects related to the current object instead of loading all related objects.
  • Lazy Loading: Load objects only when needed to avoid unnecessary database queries.
  • Model Manager Optimization: Use objects.filter().defer() and objects.filter().only() to specify to exclude or Contained fields.

cache

  • Built-in caching: Use <strong class="keylink">Django</strong>.core.cache Cache view output, database queries, and other content.
  • Third-party caching: Integrate third-party caching systems such as Memcached and Redis to provide higher performance and scalability.
  • Invalidation strategy: Configure cache invalidation strategy, such as using signal handlers or active cleanup.

Security enhancement

  • Cross-site request forgery (CSRF) protection: Prevent malicious form submissions using djan<strong class="keylink">Go</strong>.middleware.csrf.CsrfViewMiddleware.
  • Cross-Origin Resource Sharing (CORS): Use django.contrib.corsmiddleware to configure the CORS header to allow cross-origin requests.
  • Content Security Policy (CSP): Use the Content-Security-Policy header to limit the scripts, stylesheets, and other resources that are allowed to be loaded.
  • Password hashing: Use django.contrib.auth.hashers to provide a secure password hashing algorithm .

RESTful API

  • Django REST Framework (DRF): A powerful library for creating RESTful api.
  • Serializer: Defines how data is serialized and deserialized with formats such as JSON or XML.
  • ViewSet: Handles Http actions such as GET, POST, PUT, and DELETE.
  • API version control: Use the Vers<strong class="keylink">io</strong>ning class or third-party library to implement API version control.

Deployment and Operation

  • Docker: Use Docker Containerize your Django applications to simplify deployment and management.
  • Heroku: Deploy and host Django applications using the Heroku cloud platform.
  • AWS Elastic Beanstalk: Easily deploy and automatically scale Django applications with AWS’s hosting platform.
  • Monitoring and logging: Use tools such as New Relic, Datadog, etc. Monitor and log application performance and errors.

Other advanced features

  • Model inheritance: Create more complex models using models.Model subclasses and reuse base class code.
  • Custom Manager: Create a custom model manager to provide additional filtering and querying capabilities.
  • Custom forms and validation: Use django.fORM<strong class="keylink">s</strong> to create a custom form and add custom validation rules.
  • Generic Views: Use GenericViews Provides generic views to simplify the creation of views for common operations.
  • Management Commands: Create custom management commands to perform specific tasks, such as data import or export.

The above is the detailed content of Advanced Guide to Python Django: Master Advanced Features and Techniques. For more information, please follow other related articles on the PHP Chinese website!

source:lsjlt.com
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template