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from django import forms

from django.contrib import admin

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

from django.contrib.auth.forms import UserChangeForm, UserCreationForm

from bootcamp.users.models import User

class MyUserChangeForm(UserChangeForm):

class Meta(UserChangeForm.Meta):

model = User

class MyUserCreationForm(UserCreationForm):

error_message = UserCreationForm.error_messages.update({

'duplicate_username': 'This username has already been taken.'

})

class Meta(UserCreationForm.Meta):

model = User

def clean_username(self):

username = self.cleaned_data["username"]

try:

User.objects.get(username=username)

except User.DoesNotExist:

return username

raise forms.ValidationError(self.error_messages['duplicate_username'])

@admin.register(User)

class MyUserAdmin(AuthUserAdmin):

form = MyUserChangeForm

add_form = MyUserCreationForm

fieldsets = (

('User Profile', {'fields': ('name',)}),

) + AuthUserAdmin.fieldsets

list_display = ('username', 'name', 'is_superuser')

search_fields = ['name']