我是 django-oscar 的新手，这是我第一次尝试用它启动网站。尝试加载网页 (localhost:8000) 时，我面临以下堆栈跟踪。我试图在互联网上搜索很多，但找不到任何解决方案。
环境: 请求方式:GET 请求网址:http://localhost:8000/
Django Version: 1.9
Python Version: 3.5.2
Installed Applications:
['django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'django.contrib.sites',
'django.contrib.flatpages',
'compressor',
'widget_tweaks',
'oscar',
'oscar.apps.analytics',
'oscar.apps.checkout',
'oscar.apps.address',
'oscar.apps.shipping',
'oscar.apps.catalogue',
'oscar.apps.catalogue.reviews',
'oscar.apps.partner',
'oscar.apps.basket',
'oscar.apps.payment',
'oscar.apps.offer',
'oscar.apps.order',
'oscar.apps.customer',
'oscar.apps.promotions',
'oscar.apps.search',
'oscar.apps.voucher',
'oscar.apps.wishlists',
'oscar.apps.dashboard',
'oscar.apps.dashboard.reports',
'oscar.apps.dashboard.users',
'oscar.apps.dashboard.orders',
'oscar.apps.dashboard.promotions',
'oscar.apps.dashboard.catalogue',
'oscar.apps.dashboard.offers',
'oscar.apps.dashboard.partners',
'oscar.apps.dashboard.pages',
'oscar.apps.dashboard.ranges',
'oscar.apps.dashboard.reviews',
'oscar.apps.dashboard.vouchers',
'oscar.apps.dashboard.communications',
'oscar.apps.dashboard.shipping',
'haystack',
'treebeard',
'sorl.thumbnail',
'django_tables2']
Installed Middleware:<br>
['django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware']
Template error:
In template
/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/oscar/templates/oscar/promotions/home.html, error at line 0
Failed lookup for key [%s] in %r 1 : {% extends "layout_2_col.html" %}
2 : {% load i18n %}
3 :
4 : {% block navigation %}
5 : {% include "partials/nav_primary.html" with expand_dropdown=1 %}
6 : {% endblock %}
7 :
8 : {% block header %}{% endblock %}
9 :
10 : {% block column_left %}
Traceback:
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in _resolve_lookup
879. current = current[bit]
During handling of the above exception ('WSGIRequest' object is not subscriptable), another exception occurred:
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in _resolve_lookup
887. current = getattr(current, bit)
During handling of the above exception ('WSGIRequest' object has no attribute 'basket'), another exception occurred:
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in _resolve_lookup
894. current = current[int(bit)]
During handling of the above exception (invalid literal for int() with base 10: 'basket'), another exception occurred:
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/core/handlers/base.py" in get_response
174. response = self.process_exception_by_middleware(e, request)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/core/handlers/base.py" in get_response
172. response = response.render()
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/response.py" in render
160. self.content = self.rendered_content
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/response.py" in rendered_content
137. content = template.render(context, self._request)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/backends/django.py" in render
95. return self.template.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
206. return self._render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in _render
197. return self.nodelist.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
988. bit = node.render_annotated(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render_annotated
955. return self.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/loader_tags.py" in render
173. return compiled_parent._render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in _render
197. return self.nodelist.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
988. bit = node.render_annotated(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render_annotated
955. return self.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/loader_tags.py" in render
173. return compiled_parent._render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in _render
197. return self.nodelist.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
988. bit = node.render_annotated(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render_annotated
955. return self.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/loader_tags.py" in render
173. return compiled_parent._render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in _render
197. return self.nodelist.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
988. bit = node.render_annotated(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render_annotated
955. return self.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/loader_tags.py" in render
69. result = block.nodelist.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
988. bit = node.render_annotated(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render_annotated
955. return self.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/loader_tags.py" in render
69. result = block.nodelist.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
988. bit = node.render_annotated(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render_annotated
955. return self.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/loader_tags.py" in render
209. return template.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
208. return self._render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in _render
197. return self.nodelist.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
988. bit = node.render_annotated(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render_annotated
955. return self.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/defaulttags.py" in render
326. return nodelist.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
988. bit = node.render_annotated(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render_annotated
955. return self.render(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in render
1039. output = self.filter_expression.resolve(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in resolve
726. arg_vals.append(arg.resolve(context))
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in resolve
846. value = self._resolve_lookup(context)
File "/Users/rohit.rawat/.virtualenvs/env/lib/python3.5/site-packages/django/template/base.py" in _resolve_lookup
901. (bit, current)) # missing attribute
Exception Type: VariableDoesNotExist at /
Exception Value: Failed lookup for key [basket] in "<WSGIRequest: GET '/'>"
此外，如果您能为 django 推荐一个更好或更不容易出错的电子商务框架，那就太好了!
请您参考如下方法:
我遇到这个问题是因为我在 settings.py 中使用的是 MIDDLEWARE 而不是 MIDDLEWARE_CLASSES。一旦我改变了它，一切都奏效了。
