update

sidtSite/catalog/admin.py

+from django.contrib import admin
+
+# Register your models here.
+
+from .models import Author, Genre, Book, BookInstance, Language
+
+
+# Define the admin class
+class AuthorAdmin(admin.ModelAdmin):
+	list_display = ('last_name', 'first_name', 'date_of_birth', 'date_of_death')
+	fields = ['first_name', 'last_name', ('date_of_birth', 'date_of_death')]
+
+
+# Register the admin class with the associated model
+admin.site.register(Author, AuthorAdmin)
+admin.site.register(Genre)
+
+#admin.site.register(Book)
+#admin.site.register(BookInstance)
+# Register the Admin classes for Book using the decorator
+
+class BooksInstanceInline(admin.TabularInline):
+	model = BookInstance
+	extra = 0
+
+@admin.register(Book)
+class BookAdmin(admin.ModelAdmin):
+	list_display = ('title', 'author', 'display_genre')
+	inlines = [BooksInstanceInline]
+
+
+# Register the Admin classes for BookInstance using the decorator
+
+@admin.register(BookInstance) 
+class BookInstanceAdmin(admin.ModelAdmin):
+	list_filter = ('status', 'due_back')
+	fieldsets = (
+		(None, {
+		    'fields': ('book','imprint', 'id')
+		}),
+		('Availability', {
+		    'fields': ('status', 'due_back')
+		}),
+	)
+
+admin.site.register(Language)

sidtSite/catalog/apps.py

+from django.apps import AppConfig
+
+
+class CatalogConfig(AppConfig):
+    name = 'catalog'

sidtSite/catalog/migrations/0001_initial.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2017-05-04 22:41
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Author',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('first_name', models.CharField(max_length=100)),
+                ('last_name', models.CharField(max_length=100)),
+                ('date_of_birth', models.DateField(blank=True, null=True)),
+                ('date_of_death', models.DateField(blank=True, null=True, verbose_name='Died')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Book',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=200)),
+                ('summary', models.TextField(help_text='Enter a brief description of the book', max_length=1000)),
+                ('isbn', models.CharField(help_text='13 Character <a href="https://www.isbn-international.org/content/what-isbn">ISBN number</a>', max_length=13, verbose_name='ISBN')),
+                ('author', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='catalog.Author')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='BookInstance',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, help_text='Unique ID for this particular book across whole library', primary_key=True, serialize=False)),
+                ('imprint', models.CharField(max_length=200)),
+                ('due_back', models.DateField(blank=True, null=True)),
+                ('status', models.CharField(blank=True, choices=[('d', 'Maintenance'), ('o', 'On loan'), ('a', 'Available'), ('r', 'Reserved')], default='d', help_text='Book availability', max_length=1)),
+                ('book', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='catalog.Book')),
+            ],
+            options={
+                'ordering': ['due_back'],
+            },
+        ),
+        migrations.CreateModel(
+            name='Genre',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(help_text='Enter a book genre (e.g. Science Fiction, French Poetry etc.)', max_length=200)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='book',
+            name='genre',
+            field=models.ManyToManyField(help_text='Select a genre for this book', to='catalog.Genre'),
+        ),
+    ]

sidtSite/catalog/migrations/0002_auto_20170524_2012.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2017-05-24 20:12
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('catalog', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Language',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(help_text="Enter a the book's natural language (e.g. English, French, Japanese etc.)", max_length=200)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='book',
+            name='language',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='catalog.Language'),
+        ),
+    ]

sidtSite/catalog/models.py

+from django.db import models
+from django.urls import reverse #Used to generate URLs by reversing the URL patterns
+import uuid # Required for unique book instances
+
+# Create your models here.
+
+class Genre(models.Model):
+	"""
+	Model representing a book genre (e.g. Science Fiction, Non Fiction).
+	"""
+	name = models.CharField(max_length=200, help_text="Enter a book genre (e.g. Science Fiction, French Poetry etc.)")
+    
+	def __str__(self):
+		"""
+		String for representing the Model object (in Admin site etc.)
+		"""
+		return self.name
+
+#===============================================================================
+class Book(models.Model):
+	"""
+	Model representing a book (but not a specific copy of a book).
+	"""
+	title = models.CharField(max_length=200)
+	author = models.ForeignKey('Author', on_delete=models.SET_NULL, null=True)
+	# Foreign Key used because book can only have one author, but authors can have multiple books
+	# Author as a string rather than object because it hasn't been declared yet in the file.
+	summary = models.TextField(max_length=1000, help_text="Enter a brief description of the book")
+	isbn = models.CharField('ISBN',max_length=13, help_text='13 Character <a href="https://www.isbn-international.org/content/what-isbn">ISBN number</a>')
+	genre = models.ManyToManyField(Genre, help_text="Select a genre for this book")
+	# ManyToManyField used because genre can contain many books. Books can cover many genres.
+	# Genre class has already been defined so we can specify the object above.
+	language = models.ForeignKey('Language', on_delete=models.SET_NULL, null=True)
+
+	def __str__(self):
+		"""
+		String for representing the Model object.
+		"""
+		return self.title
+
+
+	def get_absolute_url(self):
+		"""
+		Returns the url to access a particular book instance.
+		"""
+		return reverse('book-detail', args=[str(self.id)])
+
+	def display_genre(self):
+		"""
+		Creates a string for the Genre. This is required to display genre in Admin.
+		"""
+		return ', '.join([ genre.name for genre in self.genre.all()[:3] ])
+
+	display_genre.short_description = 'Genre'
+
+#===============================================================================
+class BookInstance(models.Model):
+	"""
+	Model representing a specific copy of a book (i.e. that can be borrowed from the library).
+	"""
+	id = models.UUIDField(primary_key=True, default=uuid.uuid4, help_text="Unique ID for this particular book across whole library")
+	book = models.ForeignKey('Book', on_delete=models.SET_NULL, null=True) 
+	imprint = models.CharField(max_length=200)
+	due_back = models.DateField(null=True, blank=True)
+
+	LOAN_STATUS = (
+	('d', 'Maintenance'),
+	('o', 'On loan'),
+	('a', 'Available'),
+	('r', 'Reserved'),
+	)
+
+	status = models.CharField(max_length=1, choices=LOAN_STATUS, blank=True, default='d', help_text='Book availability')
+
+	class Meta:
+		ordering = ["due_back"]
+
+
+	def __str__(self):
+		"""
+		String for representing the Model object
+		"""
+		return '%s (%s)' % (self.id,self.book.title)
+
+#===============================================================================
+class Author(models.Model):
+	"""
+	Model representing an author.
+	"""
+	first_name = models.CharField(max_length=100)
+	last_name = models.CharField(max_length=100)
+	date_of_birth = models.DateField(null=True, blank=True)
+	date_of_death = models.DateField('Died', null=True, blank=True)
+
+	def get_absolute_url(self):
+		"""
+		Returns the url to access a particular author instance.
+		"""
+		return reverse('author-detail', args=[str(self.id)])
+
+
+	def __str__(self):
+		"""
+		String for representing the Model object.
+		"""
+		return '%s, %s' % (self.last_name, self.first_name)
+#===============================================================================
+class Language(models.Model):
+	"""
+	Model representing a Language (e.g. English, French, Japanese, etc.)
+	"""
+	name = models.CharField(max_length=200, help_text="Enter a the book's natural language (e.g. English, French, Japanese etc.)")
+
+	def __str__(self):
+		"""
+		String for representing the Model object (in Admin site etc.)
+		"""
+		return self.name
+

sidtSite/catalog/tests.py

+from django.test import TestCase
+
+# Create your tests here.

sidtSite/catalog/urls.py

+from django.conf.urls import url
+
+from . import views
+
+
+urlpatterns = [
+	url(r'^$', views.index, name='index'),
+
+]

sidtSite/catalog/views.py

+from django.shortcuts import render
+
+# Create your views here.

sidtSite/manage.py

+#!/usr/bin/env python3
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "sidtSite.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError:
+        # The above import may fail for some other reason. Ensure that the
+        # issue is really that Django is missing to avoid masking other
+        # exceptions on Python 2.
+        try:
+            import django
+        except ImportError:
+            raise ImportError(
+                "Couldn't import Django. Are you sure it's installed and "
+                "available on your PYTHONPATH environment variable? Did you "
+                "forget to activate a virtual environment?"
+            )
+        raise
+    execute_from_command_line(sys.argv)

sidtSite/sidtSite/settings.py

+"""
+Django settings for sidtSite project.
+
+Generated by 'django-admin startproject' using Django 1.10.7.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/1.10/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/1.10/ref/settings/
+"""
+
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'qjjavim520di7=h&!lb4n+j1%7u!ji0k!j#1-+cfh)$nkq80)r'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'catalog.apps.CatalogConfig', #Catalog app 
+
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'sidtSite.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'sidtSite.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/1.10/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/1.10/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/1.10/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/1.10/howto/static-files/
+
+STATIC_URL = '/static/'

sidtSite/sidtSite/urls.py

+"""sidtSite URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/1.10/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.conf.urls import url, include
+    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
+"""
+from django.conf.urls import url
+from django.contrib import admin
+from django.conf.urls import include
+from django.views.generic import RedirectView
+from django.conf import settings
+from django.conf.urls.static import static
+# Use static() to add url mapping to serve static files during development (only)
+
+urlpatterns = [
+	url(r'^admin/', admin.site.urls),
+	url(r'^catalog/', include('catalog.urls')),
+	url(r'^$', RedirectView.as_view(url='/catalog/', permanent=True)),
+]+ static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

sidtSite/sidtSite/wsgi.py

+"""
+WSGI config for sidtSite project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/1.10/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "sidtSite.settings")
+
+application = get_wsgi_application()