kers/users/admin.py

from django.contrib import admin
from django.contrib.auth.admin import UserAdmin

from .forms import CustomUserCreationForm, CustomUserChangeForm
from .models import CustomUser


class CustomUserAdmin(UserAdmin):
    add_form = CustomUserCreationForm
    form = CustomUserChangeForm
    model = CustomUser
    list_display = ('username', 'is_staff', 'is_superuser')
    list_filter = ('username', 'is_staff')
    fieldsets = (
        (None, {'fields': ('username', 'password', 'student_number', 'real_name',)}),
        ('Permissions', {'fields': ('is_staff', 'is_superuser')}),
    )
    add_fieldsets = (
        (None, {
            'classes': ('wide',),
            'fields':  ('username', 'password1', 'password2', 'is_staff')}
         ),
    )
    search_fields = ('username',)
    ordering = ('username',)


admin.site.register(CustomUser, CustomUserAdmin)