TemplateDoesNotExist at / base.html

Question 1

friends. I try to repeat by doing the example of project in book: "Learning Django Web Development" by Jaiswal, Sanjeev.

Running the server i get such exception: TemplateDoesNotExist at /base.html

TemplateDoesNotExist at /
base.html

Request Method:     GET
Request URL:    http://127.0.0.1:8000/
Django Version:     1.8.3
Exception Type:     TemplateDoesNotExist
Exception Value:    base.html

Exception Location: C:\Python34\lib\site-packages\django\template\loader.py in get_template, line 46
Python Executable:  C:\Python34\python.EXE
Python Version:     3.4.3
Python Path:    

['C:\\dj\\mytweets',
'C:\\WINDOWS\\system32\\python34.zip',
'C:\\Python34\\DLLs',
'C:\\Python34\\lib',
'C:\\Python34',
'C:\\Python34\\lib\\site-packages']

Server time:    Tue, 14 Jul 2015 14:01:27 +0300

Template-loader postmortem

Django tried loading these templates, in this order:

    Using loader django.template.loaders.filesystem.Loader:
    Using loader django.template.loaders.app_directories.Loader:
        C:\Python34\lib\site-packages\django\contrib\admin\templates\base.html (File does not exist)
        C:\Python34\lib\site-packages\django\contrib\auth\templates\base.html (File does not exist)

My settings.py file:

import os

SETTINGS_PATH = os.path.dirname(__file__)
PROJECT_PATH = os.path.join(SETTINGS_PATH, os.pardir)
PROJECT_PATH = os.path.abspath(PROJECT_PATH)
TEMPLATE_PATH = os.path.join(PROJECT_PATH, "templates")

SECRET_KEY = 'khcr3h6u+ghi+rtb+g_(mvgq!mtn9u4&%=hu20vt2*u(p8-kde'

DEBUG = True
TEMPLATE_DEBUG = True
ALLOWED_HOSTS = []

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'tweets',
)

MIDDLEWARE_CLASSES = (
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'django.middleware.security.SecurityMiddleware',
)

ROOT_URLCONF = 'mytweets.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(PROJECT_PATH, '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 = 'mytweets.wsgi.application'

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(PROJECT_PATH, 'db.sqlite3'),
    }
}

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

STATIC_URL = '/static/'
STATICFILES_DIRS = (
    os.path.join(
        os.path.dirname(__file__),
        'static',
    ),
)

TEMPLATE_DIRS = (
    TEMPLATE_PATH,
)

TEMPLATE_LOADERS = (
    'django.template.loaders.filesystem.Loader',
    'django.template.loaders.app_directories.Loader',
)

I tried to change settings.py in such way too:

changed settings.py:

import os

BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
TEMPLATE_PATH = os.path.join(BASE_DIR, "templates")

SECRET_KEY = 'khcr3h6u+ghi+rtb+g_(mvgq!mtn9u4&%=hu20vt2*u(p8-kde'

DEBUG = True
TEMPLATE_DEBUG = True
ALLOWED_HOSTS = []

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'tweets',
)

MIDDLEWARE_CLASSES = (
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'django.middleware.security.SecurityMiddleware',
)

ROOT_URLCONF = 'mytweets.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 = 'mytweets.wsgi.application'

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


STATIC_URL = '/static/'
STATICFILES_DIRS = (
    os.path.join(
        os.path.dirname(__file__),
        'static',
    ),
)

My project structure:

views.py:

from django.views.generic import View
from django.shortcuts import render


class Index(View):
    def get(self, request):
        params = {}
        params['name'] = 'Django'
        return render(request, 'base.html', params)

urls.py:

from django.conf.urls import patterns, include, url
from django.contrib import admin
from tweets.views import Index
admin.autodiscover()

urlpatterns = patterns('',
    url(r'^$', Index.as_view()),
    url(r'^admin/', include(admin.site.urls)),
)

Traceback:

Template Loader Error:
Django tried loading these templates, in this order:
Using loader django.template.loaders.filesystem.Loader:
Using loader django.template.loaders.app_directories.Loader:
C:\Python34\lib\site-packages\django\contrib\admin\templates\base.html    (File does not exist)
C:\Python34\lib\site-packages\django\contrib\auth\templates\base.html (File does not exist)



Traceback:
File "C:\Python34\lib\site-packages\django\core\handlers\base.py" in get_response  
132.response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Python34\lib\site-packages\django\views\generic\base.py" in view  
71.return self.dispatch(request, *args, **kwargs)
File "C:\Python34\lib\site-packages\django\views\generic\base.py" in dispatch  
89.return handler(request, *args, **kwargs)
File "C:\dj\mytweets\tweets\views.py" in get  
9.return render(request, 'base.html', params)
File "C:\Python34\lib\site-packages\django\shortcuts.py" in render
67.template_name, context, request=request, using=using)
File "C:\Python34\lib\site-packages\django\template\loader.py" in render_to_string 
98.template = get_template(template_name, using=using)
File "C:\Python34\lib\site-packages\django\template\loader.py" in get_template  
46.raise TemplateDoesNotExist(template_name)

Exception Type: TemplateDoesNotExist at /
Exception Value: base.html

Please, give an advice, what should i change to get rendered page?

Question 2

I'm not familiar with the book you are using, so I can't give you any advice based on that. If the book is for Django 1.7, you will find it easier to use Django 1.7 instead of Django 1.8, at least when you are beginning with Django.

If you want to stick with Django 1.8, here's how to fix the error you are currently seeing:

Your settings.py file has a mixture of old templates settings, like TEMPLATE_DIRS and TEMPLATE_LOADERS (Django <= 1.7), and the new settings under TEMPLATES (Django 1.8+).

First, remove the old settings TEMPLATE_DIRS and TEMPLATE_LOADERS.

Secondly, it looks as if DIRS is incorrect in your TEMPLATES setting.

Define BASE_DIR, which should be included in settings.py by default when you run ./manage.py startproject

BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

Then change TEMPLATES to

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(BASE_DIR, 'templates')],
        ...

TemplateDoesNotExist at / base.html

Mangs

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Mangs