我正在使用app教程构建Django，在尝试访问管理页面时，我收到以下错误。我有DEBUG = True并且空ALLOWED_HOSTS。
环境：
Request Method: GET
Request URL: http://127.0.0.1:8000/admin/
Django版本：1.8.4 Python版本：2.7.6
Installed Applications:
('django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'polls')
Installed Middleware:
('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')
回溯：
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/core/handlers/base.py" in get_response
132. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/contrib/admin/sites.py" in wrapper
254. return self.admin_view(view, cacheable)(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/utils/decorators.py" in _wrapped_view
110. response = view_func(request, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/views/decorators/cache.py" in _wrapped_view_func
57. response = view_func(request, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/contrib/admin/sites.py" in inner
223. if request.path == reverse('admin:logout', current_app=self.name):
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/core/urlresolvers.py" in reverse
550. app_list = resolver.app_dict[ns]
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/core/urlresolvers.py" in app_dict
352. self._populate()
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/core/urlresolvers.py" in _populate
308. for name in pattern.reverse_dict:
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/core/urlresolvers.py" in reverse_dict
338. self._populate()
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/core/urlresolvers.py" in _populate
308. for name in pattern.reverse_dict:
File "/usr/local/lib/python2.7/dist-packages/Django-1.8.4-py2.7.egg/django/core/urlresolvers.py" in reverse_dict
338. self._populate()
我在教程2上 https://docs.djangoproject.com/en/dev/intro/tutorial02/
urls.py
from django.conf.urls import include,url
from django.contrib import admin
from . import views
urlpatterns = [
url(r'^polls/', include('polls.urls')),
url(r'^admin/', admin.site.urls),
]
models.py
import datetime
from django.db import models
from django.utils import timezone
class Question(models.Model):
question_text = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published')
# def __str__(self): # __unicode__ on Python 2
# return self.question_text
def was_published_recently(self):
return self.pub_date >= timezone.now() - datetime.timedelta(days=1)
class Choice(models.Model):
question = models.ForeignKey(Question, on_delete=models.CASCADE)
choice_text = models.CharField(max_length=200)
votes = models.IntegerField()
#def __str__(self): # __unicode__ on Python 2
# return self.choice_text
这是我的目录结构：
polls/urls.py