django - Why doesn't my save method work in the admin? -


in model overwrite save-method blog model auto-populate slug field using slugify method.

class blogpost(models.model):     title = models.charfield(max_length=100,unique=true)     slug = models.slugfield(max_length=100,unique=true)     date = models.datetimefield(auto_now_add=true)     author = models.foreignkey(author)     body = models.textfield()     category = models.foreignkey(blogcategory)      def save(self, *args, **kwargs):         if not self.id:             # newly created object, set slug             self.slug = slugify(self.title)          super(blogpost, self).save(*args, **kwargs)

but creating new object in admin interface doesn't work without either setting slug field manually or doing like

class blogpostadmin(admin.modeladmin):     prepopulated_fields = {"slug": ("title",)}

basically have same functionality defined twice. ideas on how avoid this? and: why doesn't work own save method in admin?

you should put blank=true in definition of slug field.


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