小编use*_*867的帖子

admin.py如下: -

class SiteDetailInline(admin.TabularInline):
    model = SiteDetail 
    form = SiteDetailForm
    fields = ('name', )
    can_delete = False
    extra = 1
    max_num = 1

    def get_readonly_fields(self, request, obj=None):
       if obj:
           return ('clmsid',) + self.readonly_fields
       return self.readonly_fields

class SiteAdmin(admin.ModelAdmin):
    inlines = [ SiteDetailInline, ]
    def queryset(self, queryset):
        return Site.objects.filter(~Q(id = settings.SITE_ID))
    signals.post_save.connect(create_sites_default_user, sender=Site)

admin.site.unregister(Site)
admin.site.register(Site, SiteAdmin)

models.py如下: -

class SiteDetail(models.Model):
    name = models.CharField(max_length=100, unique=True)
    client = models.ForeignKey(client)
    site = models.ForeignKey(Site)
    clmsid = models.CharField(max_length=15, unique=True, verbose_name='clms id', help_text='clms identifier', ) # unique identifier …