Python Django管理员如何更改关系字段中的文本
我有以下代码: models.pyPython Django管理员如何更改关系字段中的文本,python,django,django-parler,Python,Django,Django Parler,我有以下代码: models.py from django.db import models from parler.models import TranslatableModel, TranslatedFields class Federation(TranslatableModel): translations = TranslatedFields( name = models.CharField('name', max_length=50) ) c
from django.db import models
from parler.models import TranslatableModel, TranslatedFields
class Federation(TranslatableModel):
translations = TranslatedFields(
name = models.CharField('name', max_length=50)
)
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
class Athlete(models.Model):
first_name = models.CharField(max_length=50)
last_name = models.CharField(max_length=50)
federation = models.ForeignKey('Federation', on_delete=models.SET_NULL, null=True)
height = models.IntegerField();
weight = models.IntegerField();
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
管理员
from django.contrib import admin
from parler.admin import TranslatableAdmin
from .models import Athlete, Federation
class AthleteAdmin(admin.ModelAdmin):
list_display = ['first_name', 'last_name', 'height', 'weight', 'get_federation_name']
fields = ['first_name', 'last_name', 'height', 'weight', 'federation']
def get_federation_name(self, obj):
obj.federation.set_current_language('en')
return obj.federation.name
get_federation_name.short_description = 'Federation'
class FederationAdmin(TranslatableAdmin):
search_fields = ['translations__name']
list_display = ['name']
fields = ['name']
admin.site.register(Federation, FederationAdmin)
admin.site.register(Athlete, AthleteAdmin)
联邦字段显示为列表,但选择菜单中的文本显示为“联邦对象”。对于列表,我创建了一个函数,从相关联邦模型的转换关系中获取数据。我想对表单字段执行同样的操作。如果我在没有函数的表单字段中使用它,我还将更改列表显示以同样的方式工作
我是Python和Django新手(第一次),似乎找不到解决这个问题的方法
谢谢大家! 默认情况下,它使用对象的
方法。所以最简单的改变方法就是设置这个方法。例如:
class Federation(models.Model):
...
def __str__(self):
return "{0} ({1})".format(self.translation, self.created_at)
另一种方法-如果您不想覆盖\uuu str\uu
方法-将覆盖表单字段本身的label\u from\u instance
。但这更棘手
def _federation_label_from_instance(self, obj):
return "{0} ({1})".format(obj.translation, obj.created_at)
class AthleteAdmin(admin.ModelAdmin):
...
def formfield_for_foreignkey(self, db_field, request, **kwargs):
formfield = super().form_field(db_field, request, **kwargs)
if db_field.name == 'federation':
formfield.label_from_instance = _federation_label_from_instance
return formfield
正是我想要的。非常感谢。Python和Django真的让我更喜欢编码方式。