I have a model with 4 ForeignKeys: 'autor','categoria','edicion' and
'dossier'. In admin.py, I am trying to assign them as "list_filter".
However, only 2 of them actually show up within the filters, 'autor'
and 'categoria'. All four show up as columns without any problems.
Does anybody have any clues as to why some FKs show up as filters and
some don't?
The code:
### in models.py
### these show up
class Autor(BaseModel):
"""Un autor"""
user = models.ForeignKey(User, unique=True, blank=True, null=True)
nombre = models.CharField(max_length=200, help_text="""Ejemplo:
Iván Pinto""")
nota = models.TextField(blank=True)
subeditor = models.BooleanField(default=False)
def __unicode__(self):
return u"%s" % self.nombre
def get_absolute_url(self):
return "/autor/%s/%s" % (slugify(self.nombre), self.id)
class Meta:
ordering = ['nombre']
verbose_name, verbose_name_plural = "Autor", "Autores"
class Categoria(BaseModel):
"""categorias para articulos"""
nombre = models.CharField(blank=True, max_length=80)
slug = models.SlugField()
def __unicode__(self):
return self.nombre
def get_absolute_url(self):
return "/categoria/%s/" % (self.slug)
class Meta:
ordering = []
verbose_name, verbose_name_plural = "Categoría", "Categorías"
### these don't:
class Edicion(BaseModel):
"""Una edicion, con titulo, fecha"""
titulo = models.CharField(max_length=200)
numero = models.IntegerField(unique=True)
diseno = models.ForeignKey("Diseno", verbose_name="Diseño")
fecha_de_publicacion = models.DateField()
publicar = models.BooleanField()
def __unicode__(self):
return self.titulo
def get_absolute_url(self):
if self.fecha_de_publicacion:
return "/portadas/%s-%s/%s" % (
self.fecha_de_publicacion.year,
slugify(self.titulo),
self.numero)
class Meta:
ordering = ['-numero']
verbose_name, verbose_name_plural = "Edición", "Ediciones"
class Dossier(BaseModel):
"""Un dossier que contiene varios artículos"""
titulo = models.CharField(max_length=200)
subtitulo = models.CharField(blank=True, max_length=200)
texto = models.TextField(blank=True)
edicion = models.ForeignKey(Edicion)
imagen = models.ImageField(upload_to="dossier")
ubicacion = models.IntegerField("Ubicación en portada",
choices=ubicacion_choices, default=1)
class Meta:
ordering = []
verbose_name, verbose_name_plural = "Dossier", "Dossieres"
def __unicode__(self):
return "%s" % self.titulo
def get_absolute_url(self):
return "/dossier/%s/%s/" % (slugify(self.titulo), self.id)
### in admin.py:
class ArticuloAdmin(admin.ModelAdmin):
list_display = ( 'autor','categoria','edicion','dossier')
list_filter = ('autor','categoria','edicion','dossier')
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