Avitab,
Whitespace is very important to Python.
You added an extra tab to your else and else clause of your try expression.
Consider the error message: unindent does not match outer indentation level
The message is mentioning indents, so let’s check our indents for any problems.
try:
selected_choice =
question.choice_set.get(pk=request.POST['choice'])
except (KeyError, Choice.DoesNotExist):
#Redisplay the question voting form.
return render(request, 'polls/detail.html',
{
'question': question,
'error_message': "you didn't
select a choice.",
})
else:
selected_choice.votes +=1
selected_choice.save()
#...
#...
#...
return
HttpResponseRedirect(reverse('polls:results', args=(question.id,)))
From: [email protected] [mailto:[email protected]] On
Behalf Of Avitab Ayan Sarmah
Sent: Friday, May 18, 2018 11:09 AM
To: Django users
Subject: def get_queryset(self): ^ IndentationError: unindent does not match
any outer indentation level
While going through the django project i committed an error while executing
"python manage.py runserver" inside my project directory.It is showing error is
in line 24 of views.py.Please comment what exact the error is and how do i
overcome this error.The exceptions and views.py is mentioned below:
Exceptions:
PS C:\Users\AVITABAYAN\mysite> python manage.py runserver
Performing system checks...
Unhandled exception in thread started by <function
check_errors.<locals>.wrapper at 0x0000017BA5FB29D8>
Traceback (most recent call last):
File "c:\python36\lib\site-packages\django\utils\autoreload.py", line 225, in
wrapper
fn(*args, **kwargs)
File
"c:\python36\lib\site-packages\django\core\management\commands\runserver.py",
line 121, in inner_run
self.check(display_num_errors=True)
File "c:\python36\lib\site-packages\django\core\management\base.py", line
364, in check
include_deployment_checks=include_deployment_checks,
File "c:\python36\lib\site-packages\django\core\management\base.py", line
351, in _run_checks
return checks.run_checks(**kwargs)
File "c:\python36\lib\site-packages\django\core\checks\registry.py", line 73,
in run_checks
new_errors = check(app_configs=app_configs)
File "c:\python36\lib\site-packages\django\core\checks\urls.py", line 40, in
check_url_namespaces_unique
all_namespaces = _load_all_namespaces(resolver)
File "c:\python36\lib\site-packages\django\core\checks\urls.py", line 57, in
_load_all_namespaces
url_patterns = getattr(resolver, 'url_patterns', [])
File "c:\python36\lib\site-packages\django\utils\functional.py", line 36, in
__get__
res = instance.__dict__[self.name] = self.func(instance)
File "c:\python36\lib\site-packages\django\urls\resolvers.py", line 536, in
url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "c:\python36\lib\site-packages\django\utils\functional.py", line 36, in
__get__
res = instance.__dict__[self.name] = self.func(instance)
File "c:\python36\lib\site-packages\django\urls\resolvers.py", line 529, in
urlconf_module
return import_module(self.urlconf_name)
File "c:\python36\lib\importlib\__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 978, in _gcd_import
File "<frozen importlib._bootstrap>", line 961, in _find_and_load
File "<frozen importlib._bootstrap>", line 950, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 655, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
File "<frozen importlib._bootstrap>", line 205, in _call_with_frames_removed
File "C:\Users\AVITABAYAN\mysite\mysite\urls.py", line 5, in <module>
path('', include('polls.urls')),
File "c:\python36\lib\site-packages\django\urls\conf.py", line 34, in include
urlconf_module = import_module(urlconf_module)
File "c:\python36\lib\importlib\__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 978, in _gcd_import
File "<frozen importlib._bootstrap>", line 961, in _find_and_load
File "<frozen importlib._bootstrap>", line 950, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 655, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
File "<frozen importlib._bootstrap>", line 205, in _call_with_frames_removed
File "C:\Users\AVITABAYAN\mysite\polls\urls.py", line 3, in <module>
from . import views
File "C:\Users\AVITABAYAN\mysite\polls\views.py", line 24
def get_queryset(self):
^
IndentationError: unindent does not match any outer indentation level
views.py:
from django.shortcuts import get_object_or_404, render
from django.http import HttpResponseRedirect
from django.urls import reverse
from django.views import generic
from django.utils import timezone
from . models import Choice, Question
class IndexView(generic.ListView):
template_name = 'polls/index.html'
context_object_name = 'latest_question_list'
def get_queryset(self):
"""Return the last five published questions(not
including those settings
to be
published in the future)."""
return
Question.objects.filter(pub_date__lte=timezone.now()).order_by('-pub_date')[:5]
class DetailView(generic.DetailView):
model = Question
template_name = 'polls/detail.html'
def get_queryset(self):
"""Excludes any questions that aren't published yet.
"""
return Question.objects.filter(pub_date__lte=timezone.now())
class ResultsView(generic.DetailView):
model = Question
template_name = 'polls/results.html'
def vote(request, question_id):
question = get_object_or_404(Question, pk=question_id)
try:
selected_choice =
question.choice_set.get(pk=request.POST['choice'])
except (KeyError, Choice.DoesNotExist):
#Redisplay the question voting form.
return render(request, 'polls/detail.html',
{
'question': question,
'error_message': "you didn't
select a choice.",
})
else:
selected_choice.votes +=1
selected_choice.save()
#...
#...
#...
return
HttpResponseRedirect(reverse('polls:results', args=(question.id,)))
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