Python-сообщество

class Author(models.Model):
	name = models.CharField(max_length=150)
	surname = models.CharField(max_length=60)
		
	def __unicode__(self):
		return u'%s %s ' % (self.name, self.surname)

class Book(models.Model):
	title = models.CharField(max_length=100)
	author = models.ManyToManyField(Author)
	price = models.DecimalField("",  max_digits=7, decimal_places=2)
	
	def get_entry_author(self):
		entry = Book.objects.get(id='self.id')
		return  entry.authors.all()
	get_entry_author.short_description = 'Author'	
	
		
			
	def __unicode__(self):
		return u'%s ' % (self.title)
	
		
class BookAdmin(admin.ModelAdmin):
	fieldsets = [
		('Name book',{'fields': ['title']}),
		('Publisher information', {'fields': ['publisher']}),
		('Publication date', {'fields': ['publication_date']}),
		('Price', {'fields': ['price']}),
		('Author', {'fields': ['author']}),
		
		
    ]
	list_display = ('title', 'publisher', 'publication_date','price', 'get_entry_author',)
	list_filter = ['title']
	
	date_hierarchy = 'publication_date'

class AuthorAdmin(admin.ModelAdmin):
	fieldsets=[
		('Author information',{'fields':('name', 'surname')}),
		]
	list_display = ('name', 'surname', )
	

admin.site.register(Book,BookAdmin)
admin.site.register(Author, AuthorAdmin)

def get_entry_author(self):
		entry = Book.objects.get(id='self.id')
		return  entry.authors.all()
	get_entry_author.short_description = 'Author'