使用任意方法或属性作为 Django ModelAdmin 对象上的字段？

发布于 2024-09-16 02:57:38 字数 874 浏览 4 评论 0原文

使用 Django 1.1：

Django 管理文档在 list_display 类属性中的 ModelAdmin 对象上使用任意方法或属性来描述。这是一个很好的机制，可以在模型的列表显示中显示任意信息。但是，更改表单页面本身似乎没有类似的机制。 完成这个有用的小功能以在 ModelAdmin 更改表单页面上显示任意的、非字段派生的信息的最简单方法是什么？

所需设置的具体示例：

class CustomUserAdmin(UserAdmin):
    def registration_key(self, obj):
        """Special method for looking up and returning the user's registration key
        """
        return 'the_key'

    list_display = ('email', 'first_name', 'last_name', 'is_active', 'is_staff', 
                    'registration_key')  # <- this works

    fields = ('email', 'first_name', 'last_name', 'is_active', 'is_staff',
              'registration_key')  # <- this DOESN'T work?

原文

Using Django 1.1:

The Django admin docs describe using arbitrary methods or attributes on a ModelAdmin object in the list_display class attribute. This is a great mechanism for displaying arbitrary information in the list display for a Model. However, there does not appear to be a similar mechanism for the change form page itself. What is the simplest way to accomplish this useful little feature to display arbitrary, non-field-derived information on the ModelAdmin change form page?

A concrete example of the desired setup:

class CustomUserAdmin(UserAdmin):
    def registration_key(self, obj):
        """Special method for looking up and returning the user's registration key
        """
        return 'the_key'

    list_display = ('email', 'first_name', 'last_name', 'is_active', 'is_staff', 
                    'registration_key')  # <- this works

    fields = ('email', 'first_name', 'last_name', 'is_active', 'is_staff',
              'registration_key')  # <- this DOESN'T work?

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丑丑阿 2024-09-23 02:57:48

我之前已经通过覆盖变更表单的模板并访问模型上的自定义方法来完成此操作。使用 fields 要求管理员尝试为您的方法添加表单字段。

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夏日浅笑〃 2024-09-23 02:57:46

请尝试以下操作：

class CustomUserAdminForm(forms.ModelForm):
    registration_key = forms.IntegerField()                                 

    class Meta: 
        model = User   

class CustomUserAdmin(UserAdmin):
    def registration_key(self, obj):
        """Special method for looking up and returning the user's registration key
        """
        return 'the_key'

    list_display = ('email', 'first_name', 'last_name', 'is_active', 'is_staff', 
                    'registration_key')  # <- this works

    fields = ('email', 'first_name', 'last_name', 'is_active', 'is_staff',
              'registration_key')

Try the following:

class CustomUserAdminForm(forms.ModelForm):
    registration_key = forms.IntegerField()                                 

    class Meta: 
        model = User   

class CustomUserAdmin(UserAdmin):
    def registration_key(self, obj):
        """Special method for looking up and returning the user's registration key
        """
        return 'the_key'

    list_display = ('email', 'first_name', 'last_name', 'is_active', 'is_staff', 
                    'registration_key')  # <- this works

    fields = ('email', 'first_name', 'last_name', 'is_active', 'is_staff',
              'registration_key')

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