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我目前正在将我的 Django 1.11 应用程序迁移到 Django 2.1。我有一个自定义用户模型：

from authtools.models import AbstractEmailUser, UserManager
from django.db import models
from django.utils.translation import ugettext_lazy as _
from model_utils.fields import AutoLastModifiedField
from model_utils.models import SoftDeletableModel

from core.behaviors import UniversallyUniqueIdentifiable


class User(
    UniversallyUniqueIdentifiable,
    SoftDeletableModel,
    AbstractEmailUser
):
    """
    User should generally not be deleted, but rather is_removed should just
    be set to true. The delete() method is overwritten in the
    SoftDeletableModel.
    Also add a uuid field to avoid displaying the sequential primary key.
    """

    name = models.CharField(_('name'), max_length=255, blank=True)
    modified = AutoLastModifiedField(_('modified'))

    objects = UserManager()

和一个自定义管理员：

from authtools.admin import (BASE_FIELDS, SIMPLE_PERMISSION_FIELDS,
                             NamedUserAdmin)
from django.contrib import admin

from .models import User


def verified(obj):
    email = obj.emailaddress_set.filter(primary=True)
    if email.exists():
        return email[0].verified
    return False


verified.boolean = True


@admin.register(User)
class SoftDeletableNamedUserAdmin(NamedUserAdmin):
    """
    Overwrite the fields of the NamedUserAdmin to add is_removed.
    """

    date_hierarchy = "date_joined"
    list_display = (
        'email',
        'name',
        verified,
        'is_active',
        'is_removed',
    )
    search_fields = ["email", "name"]
    readonly_fields = ("date_joined", "modified")
    fieldsets = (
        BASE_FIELDS,
        SIMPLE_PERMISSION_FIELDS,
        ("Contact information", {
            "fields": (
                ("email", "name"),
            )
        }),
        ("Account information", {
            "fields": (
                "is_removed",
            ),
        }),
        ("Dates", {
            "fields": (
                ("date_joined", "modified",),
            ),
        })
    )
    list_filter = ('is_active', 'is_removed',)

现在的问题是，当我启动服务器时，出现以下错误：

django.core.management.base.SystemCheckError: SystemCheckError: System check identified some issues:

ERRORS:
<class 'accounts.admin.SoftDeletableNamedUserAdmin'>: (admin.E012) There are duplicate field(s) in 'fieldsets[2][1]'.
<class 'accounts.admin.SoftDeletableNamedUserAdmin'>: (admin.E012) There are duplicate field(s) in 'fieldsets[3][1]'.
<class 'accounts.admin.SoftDeletableNamedUserAdmin'>: (admin.E012) There are duplicate field(s) in 'fieldsets[4][1]'.

我查看了文档以查看这些元组的定义方式是否发生了变化，但我看不出有什么不同。这里出了什么问题？

4

1 回答 1

2

打印/记录fieldsets并删除任何重复项。例如，看起来好像email可以显式包含在BASE_FIELDS.

看起来检查不像以前版本的 Django 那样严格。这已由Django 2.1 中的票证 29322修复。

于 2018-10-31T10:19:18.463 回答