Re: Advanced Tutorial (how to write reusable app), last step does not work

Faced the same problem with the Django 1.6 tutorial... circumvented it by renaming "index.html" to "poll_list.html".

Read on if you want to know more about this issue...

It seems there is a problem with the template loader, or the specification of which template to load for the generic.ListView.

The generic.DetailView seems to find polls/detail.html and polls.results.html templates easily enough.

However, IndexView cannot find polls/index.html.

This is not a template folder specification problem, as all these files are in the same folder..

Also, Django specifically says in its error message /home/user/website/myweb/polls/templates/polls/index.html, polls/poll_list.html (File does not exist)

I don't understand what it means... is it looking for either of the files "index.html" (this file exists and is at the correct location) or "poll_list.html", or the weirder file "index.html, polls/poll_list.html". In the latter case, "index.html, polls" is a directory with a ", " in its name.

Template-loader postmortem

Django tried loading these templates, in this order:

• Using loader django.template.loaders.filesystem.Loader:
  • /home/user/website/myweb/templates/polls/index.html, polls/poll_list.html (File does not exist)
• Using loader django.template.loaders.app_directories.Loader:
  • /usr/local/lib/python2.7/dist-packages/django/contrib/admin/templates/polls/index.html, polls/poll_list.html (File does not exist)
  • /usr/local/lib/python2.7/dist-packages/django/contrib/auth/templates/polls/index.html, polls/poll_list.html (File does not exist)
  • /home/user/website/myweb/polls/templates/polls/index.html, polls/poll_list.html (File does not exist)

I tried a fun experiment... created a directory called "index.html, polls" under polls/templates/polls and added a file called poll_list.html. On refresh, the error message is

• /home/user/website/myweb/polls/templates/polls/index.html, polls/poll_list.html (File exists)

The theory is correct... Django generic.ListView is looking into a weird folder with ", " in its name.

Hopefully, this helps to track the problem.

On Friday, 26 July 2013 17:20:26 UTC-7, Cate Liu wrote:

I am a new newbie to Django.  Great tutorial BTW.  I followed it to the T and 99.9% worked.
Except the last step in the Advanced tutorial, the step 3 in 'Using your own package'.
I could see http://127.0.0.1:8000/admin/ and create polls without any problem.
But http://127.0.0.1:8000/polls/ would give me the following error.

I see there are two problems.
1. /Users/nnn/django_exercises/mysite/templates/polls/index.html is the wrong location, it should be $$/django_polls/polls/templates/polls/index.html.
2. What is polls/poll_list.html?  Nowhere in the tutorial ever created this file, no?

Thanks for any advice.


----------------------------------------------------------------------------------------------------------

TemplateDoesNotExist at /polls/

polls/index.html, polls/poll_list.html

Request Method:	GET
Request URL:	http://127.0.0.1:8000/polls/
Django Version:	1.5.1
Exception Type:	TemplateDoesNotExist
Exception Value:	polls/index.html, polls/poll_list.html
Exception Location:	/Library/Python/2.7/site-packages/django/template/loader.py in select_template, line 194
Python Executable:	/usr/bin/python
Python Version:	2.7.2
Python Path:	['/Users/nnn/django_exercises/mysite', '/Users/nnn/py_pkg/lib/python/django_polls-0.1-py2.7.egg', '/Users/nnn/py_pkg/lib/python', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python27.zip', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-old', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload', '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC', '/Library/Python/2.7/site-packages']
Server time:	Fri, 26 Jul 2013 16:59:14 -0700

Template-loader postmortem

Django tried loading these templates, in this order:

• Using loader django.template.loaders.filesystem.Loader:
  • /Users/nnn/django_exercises/mysite/templates/polls/index.html, polls/poll_list.html (File does not exist)
• Using loader django.template.loaders.app_directories.Loader:
  • /Library/Python/2.7/site-packages/django/contrib/auth/templates/polls/index.html, polls/poll_list.html (File does not exist)
  • /Library/Python/2.7/site-packages/django/contrib/admin/templates/polls/index.html, polls/poll_list.html (File does not exist)

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