It also doesn't work. I see this error :"TemplateDoesNotExist at
/catalog/books/ catalog/book_list.html, catalog/book_list.html"
My views.py is below.
Also, I checked on GitHub Mozilla (
https://github.com/mdn/django-locallibrary-tutorial/blob/master/catalog/views.py).
They didn't use - template_name.
I'm completely confused.
from .models import Book, Author, BookInstance, Genre
from django.views import generic
from django.shortcuts import render
from django.views.generic.base import TemplateView
# Create your views here.
def index(request):
"""View function for home page of site."""
# Generate counts of some of the main objects
num_books = Book.objects.all().count()
num_instances = BookInstance.objects.all().count()
# Available books (status = 'a')
num_instances_available = BookInstance.objects.filter(
status__exact='a').count()
# The 'all()' is implied by default.
num_authors = Author.objects.count()
context = {
'num_books': num_books,
'num_instances': num_instances,
'num_instances_available': num_instances_available,
'num_authors': num_authors,
}
# Render the HTML template index.html with the data in the context variable
return render(request, 'index.html', context=context)
class BookListView(generic.ListView):
"""Generic class-based view for a list of books."""
model = Book
paginate_by = 10
template_name = "catalog/book_list.html"
class BookDetailView(generic.DetailView):
"""Generic class-based detail view for a book."""
model = Book
template_name = "catalog/book_detail.html"
ср, 6 окт. 2021 г. в 14:24, Adeyemi Deji <[email protected]>:
> class BookListView(generic.ListView):
>
> """Generic class-based view for a list of books."""
>
> model = Book
>
> paginate_by = 10
>
> template_name = "catalog/book_list.html"
>
>
> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon>
> Virus-free.
> www.avast.com
> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link>
> <#m_3791702616293114032_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
> On Wed, Oct 6, 2021 at 1:21 PM Adeyemi Deji <[email protected]>
> wrote:
>
>> Please don't change your formal code setting, just add the template_name
>> attribute and specify the template you are referring to
>> just add this to your former code:
>> template_name = "catalog/book_list.html"
>>
>>
>> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon>
>> Virus-free.
>> www.avast.com
>> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link>
>> <#m_3791702616293114032_m_2104138296797754165_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>>
>> On Wed, Oct 6, 2021 at 1:09 PM Никита Назаров <[email protected]>
>> wrote:
>>
>>> It doesn't seem to work. I wrote your example in views.py.
>>> Or I might make mistakes. Could you see?
>>>
>>> views. py
>>> from .models import Book, Author, BookInstance, Genre
>>> from django.views import generic
>>> from django.shortcuts import render
>>> from django.views.generic.base import TemplateView
>>>
>>> # Create your views here.
>>>
>>>
>>> def index(request):
>>> """View function for home page of site."""
>>>
>>> # Generate counts of some of the main objects
>>> num_books = Book.objects.all().count()
>>> num_instances = BookInstance.objects.all().count()
>>>
>>> # Available books (status = 'a')
>>> num_instances_available = BookInstance.objects.filter(
>>> status__exact='a').count()
>>>
>>> # The 'all()' is implied by default.
>>> num_authors = Author.objects.count()
>>>
>>> context = {
>>> 'num_books': num_books,
>>> 'num_instances': num_instances,
>>> 'num_instances_available': num_instances_available,
>>> 'num_authors': num_authors,
>>> }
>>>
>>> # Render the HTML template index.html with the data in the context
>>> variable
>>> return render(request, 'catalog/index.html', context=context)
>>>
>>>
>>> class BookListView(TemplateView):
>>> template_name = "catalog/book_list.html"
>>>
>>>
>>> class BookDetailView(TemplateView):
>>> template_name = "catalog/book_detail.html"
>>>
>>>
>>> urls.py
>>> from django.urls import path
>>> from . import views
>>>
>>>
>>> urlpatterns = [
>>> path('', views.index, name='index'),
>>> path('books/', views.BookListView.as_view(), name='books'),
>>> path('book/<int:pk>', views.BookDetailView.as_view(), name='book-detail'
>>> ),
>>> ]
>>>
>>>
>>>
>>>
>>> ср, 6 окт. 2021 г. в 12:45, Adeyemi Deji <[email protected]>:
>>>
>>>> for example.
>>>>
>>>> class AboutView(TemplateView):
>>>> template_name = "about.html"
>>>>
>>>>
>>>> On Wed, Oct 6, 2021 at 11:32 AM Никита Назаров <[email protected]>
>>>> wrote:
>>>>
>>>>> Hello!
>>>>> Thank you!
>>>>> I'm sorry. How could I do this?
>>>>>
>>>>> среда, 6 октября 2021 г. в 11:20:19 UTC+3, [email protected]:
>>>>>
>>>>>> Hi, I observed that you didn't specify the template name attribute
>>>>>> for the BookListView and BookDetailView, that should solve you problem.
>>>>>>
>>>>>> On Tuesday, October 5, 2021 at 10:37:19 PM UTC+2 [email protected]
>>>>>> wrote:
>>>>>>
>>>>>>> Hello!
>>>>>>> I’m beginner in Django. I do Django Tutorial from Mozilla.
>>>>>>> I get TemplateDoesNotExist at /catalog/books/ . Could you help me?.
>>>>>>> I don’t understand how to resolve it.
>>>>>>>
>>>>>>> */catalog/urls*
>>>>>>>
>>>>>>> from django.urls import path
>>>>>>>
>>>>>>> from . import views
>>>>>>>
>>>>>>> urlpatterns = [
>>>>>>>
>>>>>>> path('', views.index, name='index'),
>>>>>>>
>>>>>>> path('books/', views.BookListView.as_view(), name='books'),
>>>>>>>
>>>>>>> path('book/<int:pk>', views.BookDetailView.as_view(),
>>>>>>> name='book-detail'),
>>>>>>>
>>>>>>> ]
>>>>>>>
>>>>>>> *catalog/models*
>>>>>>>
>>>>>>> # Used to generate URLs by reversing the URL patterns
>>>>>>>
>>>>>>> from django.urls import reverse
>>>>>>>
>>>>>>> from django.db import models
>>>>>>>
>>>>>>> from django.urls import reverse
>>>>>>>
>>>>>>> import uuid
>>>>>>>
>>>>>>> # 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 file.
>>>>>>>
>>>>>>> summary = models.TextField(
>>>>>>>
>>>>>>> max_length=1000, help_text="Enter a brief description of the
>>>>>>> book")
>>>>>>>
>>>>>>> isbn = models.CharField('ISBN', max_length=13,
>>>>>>>
>>>>>>> unique=True,
>>>>>>>
>>>>>>> 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 a genre can contain many books
>>>>>>> and a Book 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)
>>>>>>>
>>>>>>> class Meta:
>>>>>>>
>>>>>>> ordering = ['title', 'author']
>>>>>>>
>>>>>>> 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'
>>>>>>>
>>>>>>> def get_absolute_url(self):
>>>>>>>
>>>>>>> """Returns the url to access a particular book instance."""
>>>>>>>
>>>>>>> return reverse('book-detail', args=[str(self.id)])
>>>>>>>
>>>>>>> def __str__(self):
>>>>>>>
>>>>>>> """String for representing the Model object."""
>>>>>>>
>>>>>>> return self.title
>>>>>>>
>>>>>>> class Language(models.Model):
>>>>>>>
>>>>>>> name = models.CharField(
>>>>>>>
>>>>>>> max_length=50, help_text="Enter the book's natural language
>>>>>>> (e.g. English, French, Japanese etc.)")
>>>>>>>
>>>>>>> def __str__(self):
>>>>>>>
>>>>>>> return self.name
>>>>>>>
>>>>>>> class BookInstance(models.Model):
>>>>>>>
>>>>>>> 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 = (
>>>>>>>
>>>>>>> ('m', 'Maintenance'),
>>>>>>>
>>>>>>> ('o', 'On loan'),
>>>>>>>
>>>>>>> ('a', 'Available'),
>>>>>>>
>>>>>>> ('r', 'Reserved'),
>>>>>>>
>>>>>>> )
>>>>>>>
>>>>>>> status = models.CharField(max_length=1, choices=LOAN_STATUS,
>>>>>>>
>>>>>>> blank=True, default='m',
>>>>>>> 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)
>>>>>>>
>>>>>>> *catalog/views*
>>>>>>>
>>>>>>> from django.views import generic
>>>>>>>
>>>>>>> from django.shortcuts import render
>>>>>>>
>>>>>>>
>>>>>>> # Create your views here.
>>>>>>>
>>>>>>> from .models import Book, Author, BookInstance, Genre
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> def index(request):
>>>>>>>
>>>>>>> """View function for home page of site."""
>>>>>>>
>>>>>>>
>>>>>>> # Generate counts of some of the main objects
>>>>>>>
>>>>>>> num_books = Book.objects.all().count()
>>>>>>>
>>>>>>> num_instances = BookInstance.objects.all().count()
>>>>>>>
>>>>>>>
>>>>>>> # Available books (status = 'a')
>>>>>>>
>>>>>>> num_instances_available = BookInstance.objects.filter(
>>>>>>>
>>>>>>> status__exact='a').count()
>>>>>>>
>>>>>>>
>>>>>>> # The 'all()' is implied by default.
>>>>>>>
>>>>>>> num_authors = Author.objects.count()
>>>>>>>
>>>>>>>
>>>>>>> context = {
>>>>>>>
>>>>>>> 'num_books': num_books,
>>>>>>>
>>>>>>> 'num_instances': num_instances,
>>>>>>>
>>>>>>> 'num_instances_available': num_instances_available,
>>>>>>>
>>>>>>> 'num_authors': num_authors,
>>>>>>>
>>>>>>> }
>>>>>>>
>>>>>>>
>>>>>>> # Render the HTML template index.html with the data in the
>>>>>>> context variable
>>>>>>>
>>>>>>> return render(request, 'catalog/index.html', context=context)
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> class BookListView(generic.ListView):
>>>>>>>
>>>>>>> """Generic class-based view for a list of books."""
>>>>>>>
>>>>>>> model = Book
>>>>>>>
>>>>>>> paginate_by = 10
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> class BookDetailView(generic.DetailView):
>>>>>>>
>>>>>>> """Generic class-based detail view for a book."""
>>>>>>>
>>>>>>> model = Book
>>>>>>>
>>>>>>>
>>>>>>> *locallibrary/settings.py*
>>>>>>>
>>>>>>> """
>>>>>>>
>>>>>>> Django settings for locallibrary project.
>>>>>>>
>>>>>>>
>>>>>>> Generated by 'django-admin startproject' using Django 3.2.7.
>>>>>>>
>>>>>>>
>>>>>>> For more information on this file, see
>>>>>>>
>>>>>>> https://docs.djangoproject.com/en/3.2/topics/settings/
>>>>>>>
>>>>>>>
>>>>>>> For the full list of settings and their values, see
>>>>>>>
>>>>>>> https://docs.djangoproject.com/en/3.2/ref/settings/
>>>>>>>
>>>>>>> """
>>>>>>>
>>>>>>>
>>>>>>> import os
>>>>>>>
>>>>>>> from pathlib import Path
>>>>>>>
>>>>>>>
>>>>>>> # Build paths inside the project like this: BASE_DIR / 'subdir'.
>>>>>>>
>>>>>>> BASE_DIR = Path(__file__).resolve().parent.parent
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> # Quick-start development settings - unsuitable for production
>>>>>>>
>>>>>>> # See
>>>>>>> https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/
>>>>>>>
>>>>>>>
>>>>>>> # SECURITY WARNING: keep the secret key used in production secret!
>>>>>>>
>>>>>>> SECRET_KEY =
>>>>>>> 'django-insecure-k6nhe44hm-a90^cs6**sre$8ajn7u!e735ou4c(1iqk-ga&g!9'
>>>>>>>
>>>>>>>
>>>>>>> # SECURITY WARNING: don't run with debug turned on in production!
>>>>>>>
>>>>>>> DEBUG = os.environ.get('DJANGO_DEBUG', '') != 'False'
>>>>>>>
>>>>>>>
>>>>>>> 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',
>>>>>>>
>>>>>>> ]
>>>>>>>
>>>>>>>
>>>>>>> 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 = 'locallibrary.urls'
>>>>>>>
>>>>>>>
>>>>>>> TEMPLATES = [
>>>>>>>
>>>>>>> {
>>>>>>>
>>>>>>> 'BACKEND': 'django.template.backends.django.DjangoTemplates',
>>>>>>>
>>>>>>> 'DIRS': [os.path.join(BASE_DIR, 'templates')],
>>>>>>>
>>>>>>> '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 = 'locallibrary.wsgi.application'
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> # Database
>>>>>>>
>>>>>>> # https://docs.djangoproject.com/en/3.2/ref/settings/#databases
>>>>>>>
>>>>>>>
>>>>>>> DATABASES = {
>>>>>>>
>>>>>>> 'default': {
>>>>>>>
>>>>>>> 'ENGINE': 'django.db.backends.sqlite3',
>>>>>>>
>>>>>>> 'NAME': BASE_DIR / 'db.sqlite3',
>>>>>>>
>>>>>>> }
>>>>>>>
>>>>>>> }
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> # Password validation
>>>>>>>
>>>>>>> #
>>>>>>> https://docs.djangoproject.com/en/3.2/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/3.2/topics/i18n/
>>>>>>>
>>>>>>>
>>>>>>> LANGUAGE_CODE = 'en-us'
>>>>>>>
>>>>>>>
>>>>>>> TIME_ZONE = 'Europe/London'
>>>>>>>
>>>>>>>
>>>>>>> USE_I18N = True
>>>>>>>
>>>>>>>
>>>>>>> USE_L10N = True
>>>>>>>
>>>>>>>
>>>>>>> USE_TZ = True
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> # Static files (CSS, JavaScript, Images)
>>>>>>>
>>>>>>> # https://docs.djangoproject.com/en/3.2/howto/static-files/
>>>>>>>
>>>>>>>
>>>>>>> STATIC_URL = '/static/'
>>>>>>>
>>>>>>>
>>>>>>> # Default primary key field type
>>>>>>>
>>>>>>> #
>>>>>>> https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field
>>>>>>>
>>>>>>>
>>>>>>> DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
>>>>>>>
>>>>>>>
>>>>>>> *Path templates*
>>>>>>> locallibrary
>>>>>>> -----catalog
>>>>>>> ------ templates
>>>>>>> ------ base_generis.html
>>>>>>> -------book_detail.html
>>>>>>> ----------catalog
>>>>>>> ----------book_list.html
>>>>>>> ----------index.html
>>>>>>>
>>>>>>> *book_list.html*
>>>>>>>
>>>>>>> {% extends "base_generic.html" %}
>>>>>>>
>>>>>>>
>>>>>>> {% block content %}
>>>>>>>
>>>>>>> <h1>Book List</h1>
>>>>>>>
>>>>>>>
>>>>>>> {% if book_list %}
>>>>>>>
>>>>>>> <ul>
>>>>>>>
>>>>>>>
>>>>>>> {% for book in book_list %}
>>>>>>>
>>>>>>> <li>
>>>>>>>
>>>>>>> <a href="{{ book.get_absolute_url }}">{{ book.title }}</a>
>>>>>>> ({{book.author}})
>>>>>>>
>>>>>>> </li>
>>>>>>>
>>>>>>> {% endfor %}
>>>>>>>
>>>>>>>
>>>>>>> </ul>
>>>>>>>
>>>>>>> {% else %}
>>>>>>>
>>>>>>> <p>There are no books in the library.</p>
>>>>>>>
>>>>>>> {% endif %}
>>>>>>>
>>>>>>> {% endblock %}
>>>>>>>
>>>>>>> *index.html*
>>>>>>>
>>>>>>> {% extends "base_generic.html" %}
>>>>>>>
>>>>>>>
>>>>>>> {% block title %}
>>>>>>>
>>>>>>> <title>Стартовая страница</title>
>>>>>>>
>>>>>>> {% endblock %}
>>>>>>>
>>>>>>>
>>>>>>> {% block content %}
>>>>>>>
>>>>>>> <h1>Local Library Home</h1>
>>>>>>>
>>>>>>>
>>>>>>> <p>Welcome to <em>LocalLibrary</em>, a very basic Django website
>>>>>>> developed as a tutorial example on the Mozilla
>>>>>>>
>>>>>>> Developer Network.</p>
>>>>>>>
>>>>>>>
>>>>>>> <h2>Dynamic content</h2>
>>>>>>>
>>>>>>>
>>>>>>> <p>The library has the following record counts:</p>
>>>>>>>
>>>>>>> <ul>
>>>>>>>
>>>>>>> <li><strong>Books:</strong> {{ num_books }}</li>
>>>>>>>
>>>>>>> <li><strong>Copies:</strong> {{ num_instances }}</li>
>>>>>>>
>>>>>>> <li><strong>Copies available:</strong> {{ num_instances_available
>>>>>>> }}</li>
>>>>>>>
>>>>>>> <li><strong>Authors:</strong> {{ num_authors }}</li>
>>>>>>>
>>>>>>> </ul>
>>>>>>>
>>>>>>>
>>>>>>> {% endblock %}
>>>>>>>
>>>>>>> *traceback message*
>>>>>>>
>>>>>>> Environment:
>>>>>>>
>>>>>>> Request Method: GET
>>>>>>> Request URL: http://127.0.0.1:8000/catalog/books/
>>>>>>>
>>>>>>> Django Version: 3.2.7
>>>>>>> Python Version: 3.9.7
>>>>>>> Installed Applications:
>>>>>>> [‘django.contrib.admin’,
>>>>>>> ‘django.contrib.auth’,
>>>>>>> ‘django.contrib.contenttypes’,
>>>>>>> ‘django.contrib.sessions’,
>>>>>>> ‘django.contrib.messages’,
>>>>>>> ‘django.contrib.staticfiles’,
>>>>>>> ‘catalog.apps.CatalogConfig’]
>>>>>>> Installed 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’]
>>>>>>>
>>>>>>> Template loader postmortem
>>>>>>> Django tried loading these templates, in this order:
>>>>>>>
>>>>>>> Using engine django:
>>>>>>> * django.template.loaders.filesystem.Loader:
>>>>>>> /Users/nikita/Documents/Github/devsearch/hello-world/locallibrary/templates/catalog/book_list.html
>>>>>>> (Source does not exist)
>>>>>>> * django.template.loaders.app_directories.Loader:
>>>>>>> /Users/nikita/Documents/Github/devsearch/hello-world/myproject_env/lib/python3.9/site-packages/django/contrib/admin/templates/catalog/book_list.html
>>>>>>> (Source does not exist)
>>>>>>> * django.template.loaders.app_directories.Loader:
>>>>>>> /Users/nikita/Documents/Github/devsearch/hello-world/myproject_env/lib/python3.9/site-packages/django/contrib/auth/templates/catalog/book_list.html
>>>>>>> (Source does not exist)
>>>>>>> * django.template.loaders.app_directories.Loader:
>>>>>>> /Users/nikita/Documents/Github/devsearch/hello-world/locallibrary/catalog/templates/catalog/book_list.html
>>>>>>> (Source does not exist)
>>>>>>>
>>>>>>> Traceback (most recent call last):
>>>>>>> File
>>>>>>> “/Users/nikita/Documents/Github/devsearch/hello-world/myproject_env/lib/python3.9/site-packages/django/core/handlers/exception.py”,
>>>>>>> line 47, in inner
>>>>>>> response = get_response(request)
>>>>>>> File
>>>>>>> “/Users/nikita/Documents/Github/devsearch/hello-world/myproject_env/lib/python3.9/site-packages/django/core/handlers/base.py”,
>>>>>>> line 204, in _get_response
>>>>>>> response = response.render()
>>>>>>> File
>>>>>>> “/Users/nikita/Documents/Github/devsearch/hello-world/myproject_env/lib/python3.9/site-packages/django/template/response.py”,
>>>>>>> line 105, in render
>>>>>>> self.content = self.rendered_content
>>>>>>> File
>>>>>>> “/Users/nikita/Documents/Github/devsearch/hello-world/myproject_env/lib/python3.9/site-packages/django/template/response.py”,
>>>>>>> line 81, in rendered_content
>>>>>>> template = self.resolve_template(self.template_name)
>>>>>>> File
>>>>>>> “/Users/nikita/Documents/Github/devsearch/hello-world/myproject_env/lib/python3.9/site-packages/django/template/response.py”,
>>>>>>> line 63, in resolve_template
>>>>>>> return select_template(template, using=self.using)
>>>>>>> File
>>>>>>> “/Users/nikita/Documents/Github/devsearch/hello-world/myproject_env/lib/python3.9/site-packages/django/template/loader.py”,
>>>>>>> line 47, in select_template
>>>>>>> raise TemplateDoesNotExist(’, '.join(template_name_list),
>>>>>>> chain=chain)
>>>>>>>
>>>>>>> Exception Type: TemplateDoesNotExist at /catalog/books/
>>>>>>> Exception Value: catalog/book_list.html
>>>>>>>
>>>>>> --
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