Thank you for your answer, that i managed to achive,
what I want is to display on the admin object list of object B, display
name_B and name_A
Anyway
Thanks
Alex
Terça-feira, 7 de Maio de 2013 13:43:59 UTC+1, Sergiy Khohlov escreveu:
>
> this not hard :
>
> from django.db import models
>
> # Create your models here.
>
> class A(models.Model):
> """ model A """
> name_a = models.CharField(max_length=20)
>
> def __unicode__(self):
> return self.name_a
>
> class B(models.Model):
> """ Model B"""
> keyfield = models.ForeignKey('mymodel.A')
> name_b = models.CharField(max_length=20)
> def __unicode__(self):
>
> return self.name_b
>
>
>
> serg@debian:~/project/linkmodels/modeltest$ python manage.py shell
> Python 2.7.3 (default, Mar 5 2013, 01:19:40)
> Type "copyright", "credits" or "license" for more information.
>
> IPython 0.13.2 -- An enhanced Interactive Python.
> ? -> Introduction and overview of IPython's features.
> %quickref -> Quick reference.
> help -> Python's own help system.
> object? -> Details about 'object', use 'object??' for extra details.
>
> In [1]: from mymodel.models import A, B
>
> In [2]: A.objects.all()
> Out[2]: []
>
> In [3]: object_A = A('object_A')
>
> In [4]: A.objects.all()
> Out[4]: []
> In [5]: object_A.save()
>
>
> In [6]: object_B = B(name_b = 'object_B')
>
> In [7]: object_B.keyfield = object_A
>
> In [8]: object_B.save()
>
> In [9]: B.objects.all()
> Out[9]: [<B: object_B>]
>
> In [10]: B.objects.filter(id=1)
> Out[10]: [<B: object_B>]
>
> In [11]: B.objects.filter(id=1)[0]
> Out[11]: <B: object_B>
>
> In [12]: B.objects.filter(id=1)[0].name_b
> Out[12]: u'object_B'
>
> In [13]: B.objects.filter(id=1)[0].keyfield
> Out[13]: <A: object_A>
>
> In [14]: B.objects.filter(id=1)[0].keyfield.name_a
> Out[14]: u'object_A'
>
>
>
> Many thanks,
>
> Serge
>
>
> +380 636150445
> skype: skhohlov
>
>
> On Tue, May 7, 2013 at 11:43 AM, alexan...@gmail.com <javascript:> <
> alexan...@gmail.com <javascript:>> wrote:
>
>> Hi
>>
>> class A(models.Model):
>> f1=...
>> f2=...
>> f3=...
>>
>> class B(models.Model)
>> f4=Foreignkey(A)
>> f5=...
>> f6=...
>>
>>
>> class BAdmin(admin.ModelAdmin)
>> list_display= (f4,f4__f2,f4__f3) # this does not work
>>
>> How do I in the list display ob objects B, diaplay some fields from A
>> linked by the foreign key.
>> this syntax works for filter in class BAdmin!
>>
>> Regards
>> Alexandre Rua
>>
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>>
>>
>
>
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