Django swappable models. py 文件中,将 'django_swappable.

Django swappable models Viewed 947 times It is a swappable model, so that a Sep 20, 2022 · What are swappable models in Django? And Why sometimes when we do a migration a swappable dependency appears in Django migration files? I have searched for this concept in Django but I did not understand what it really does?! Give me an example of the usage and functionality of this feature in Django. Suppose your reusable app has two related tables: from django. Apr 18, 2025 · Django model Swapper - The unofficial Django swappable models API. Meta): swappable = 'AUTH_USER_MODEL'很明显,这与settings. <model>" ,例如 "myapp. Sep 27, 2021 · Django swappable model foreign keys. Ask Question Asked 3 years, 8 months ago. I have came across the term Swappable model, while reading about django models. py 文件中,将 'django_swappable. Jul 23, 2014 · Looking tough django auth models code, I came across this bit of code: class User(AbstractUser): class Meta(AbstractUser. Meta): swappable = 'AUTH_USER_MODEL' It's obvious that it has something to do with the new AUTH_USER_MODEL setting in settings. migrations. Swapped models must extend their “Base” versions to maintain original functionality. MyModel" 。 Feb 25, 2014 · 看着艰难的django auth模型代码,我偶然发现了这一小段代码:class User(AbstractUser): class Meta(AbstractUser. A custom User model for everybody! Improve performance and maintainability with a prefetching layer in your 2. Swappable models All Salesman models are swappable using Django’s private swappable API used in Auth package. I am not able to find the significance of Swappable model. Oct 29, 2018 · 默认这个属性是True, 也就是可以切换关联模型的,不过比较蛋疼的就是切换模型之后关联的外键虽然存在,但是因为换了一个模型,那么关联的外键自然就是新的模型了,如果新的模型的外键和旧的模型有不一致的地方,很可能就会出错。。。。。。 设置这个需要用到第一些内容: 在模型中可以 Django Swappable Models - No longer only for auth. Maintained by the OpenWISP project. User models are the pilot program and will let us understand what challenges exist with such an API - providing the chance to make changes before this API is made public. db import models class At this time, the swappable machinery used for swappable user models is a private API, intentionally undocumented. I have also inspected Model. Swapper - The unofficial Django swappable models API. py, but how does it actually work, by what python "trick"? See full list on github. User ! swap是一个非正式的API,用于文档,但它具有强大的功能: 可以交换模型。 swappable_dependency() 函数在迁移中用于声明对被交换模型的应用中的迁移的 "可交换" 依赖关系,当前是对该应用的第一个迁移的依赖。因此,被交换模型应该在初始迁移中创建。参数 value 是一个描述应用标签和模型名称的字符串 "<app label>. Nov 1, 2016 · Hello I am new to django. db. - openwisp/django-swappable-models Aug 24, 2024 · django-swappable-models, 交换非官方 Django 可以交换模型 API 交换交换模式- 不再只用于 auth. Using Django’s swappable Parameter. swappable_dependency (value)¶ The swappable_dependency() function is used in migrations to declare “swappable” dependencies on migrations in the app of the swapped-in model, currently, on the first migration of this app. User! Swapper is an unofficial API for the undocumented but very powerful Django feature: swappable models. As a consequence, the swapped-in model should be created in the initial Aug 14, 2024 · Django Swappable Models - No longer only for auth. models' 加入到 INSTALLED_APPS 列表中。 问题二:如何使用 Django Swappable Models 替换模型? 解决步骤: Django 多个 AUTH_USER_MODEL 在 Django 中的应用 在本文中,我们将介绍如何在 Django 中使用多个 AUTH_USER_MODEL,以及相关的配置和注意事项。在开发过程中,有时我们需要对用户模型进行扩展或创建不同类型的用户。Django 提供了 AUTH_USER_MODEL 设置来满足这些需求。 Swapper - The unofficial Django swappable models API. Dec 15, 2024 · 使用 pip 命令安装 Django Swappable Models: pip install django-swappable-models 在你的 Django 项目的 settings. This can be useful when you want to switch between different implementations of a model in different apps. Modified 3 years, 8 months ago. Django provides a swappable parameter that allows models to be replaced with a different model at runtime. This allows for full control of Salesman models and makes adding new fields or features easier. _meta object. Motivation. Swapper facilitates implementing arbitrary swappable models in your own reusable apps. I have tried to search documentation. com Swappable dependencies¶ django. Suppose further that you want to allow the user to Aug 24, 2024 · 文章浏览阅读540次,点赞13次,收藏16次。Django Swappable Models 开源项目教程 django-swappable-modelsSwapper - The unofficial Django swappable models API. It contains a member attribute swappable, which is None by default. py中新的AUTH_USER_MODEL设置有关,但它是如何实际工作的,通过什么python“技巧”?. sgsc sosdl rgvyyo sadza jyegy duepjh wgoqw vlqdhg mlisz kelt