Please I am learning Django 2.0.4
Right now I am learning about Django Admin.
I got an error that the value of my list_display should not be a ManyToMany
Field.
I referred back to Django official doc and I was asked to create a custom
method for my model.
I tried looking for an example of how to do that, I could not see.
Here is my model.py program
from django.db import models
class Publisher(models.Model):
name = models.CharField(max_length=30)
address = models.CharField(max_length=50,blank=True)
city = models.CharField(max_length=60,blank=True)
country = models.CharField(max_length=50,blank=True)
website = models.URLField()
def __str__(self):
return self.name
class Author(models.Model):
salution = models.CharField(max_length=10)
first_name = models.CharField(max_length=30)
last_name = models.CharField(max_length=40)
email = models.EmailField()
headshot = models.ImageField(upload_to = "tmp")
def __str__(self):
return f"{self.first_name} {self.last_name}"
class Book(models.Model):
title = models.CharField(max_length=100)
authors = models.ManyToManyField(Author)
publisher = models.ForeignKey(Publisher,on_delete=models.CASCADE,)
publication_date = models.DateField()
def __str__(self):
return self.title
Here is my admin.py program
from django.contrib import admin
from polls.models import Book, Publisher, Author
# Register your models here.
class BookAdmin(admin.ModelAdmin):
list_display = [
"title",
"authors", #a ManyToMany Field
]
search_fields = [
"Book"
]
class Meta:
model = Book
admin.site.register(Book, BookAdmin)
Can someone please help me.
Thanks.
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