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<p>我在django oscar遇到了麻烦。你知道吗</p>
<p>我读过那篇文章_标签.py未在上下文中呈现请求。但是我在我的virtualenv中看到了oscar代码,它在上下文中有请求</p>
<p>但奇怪的是,在促销活动中_标签.py没有被调用,因此上下文中没有请求对象。但我不确定这是否是唯一一个请求对象被修改/添加到上下文的地方。你知道吗</p>
<p>下面是需要请求对象的代码:</p>
<pre><code>@register.simple_tag
def purchase_info_for_product(request, product):
if product.is_parent:
return request.strategy.fetch_for_parent(product)
return request.strategy.fetch_for_product(product)
</code></pre>
<p>我用的是django奥斯卡1-6和django 1.11。你知道吗</p>
<p>以下是完整的回溯:</p>
<pre><code>2018-08-17 12:52:53,567 django.request ERROR Internal Server Error: /category/beauty-wellness_9/
Traceback (most recent call last):
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/core/handlers/exception.py", line 41, in inner
response = get_response(request)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/core/handlers/base.py", line 217, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/core/handlers/base.py", line 215, in _get_response
response = response.render()
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/response.py", line 107, in render
self.content = self.rendered_content
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/response.py", line 84, in rendered_content
content = template.render(context, self._request)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/backends/django.py", line 66, in render
return self.template.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 207, in render
return self._render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/test/utils.py", line 107, in instrumented_test_render
return self.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 177, in render
return compiled_parent._render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/test/utils.py", line 107, in instrumented_test_render
return self.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 177, in render
return compiled_parent._render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/test/utils.py", line 107, in instrumented_test_render
return self.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 177, in render
return compiled_parent._render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/test/utils.py", line 107, in instrumented_test_render
return self.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 72, in render
result = block.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 72, in render
result = block.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 72, in render
result = block.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 1040, in render
output = self.filter_expression.resolve(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 708, in resolve
obj = self.var.resolve(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 849, in resolve
value = self._resolve_lookup(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 911, in _resolve_lookup
current = current()
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 86, in super
return mark_safe(self.render(self.context))
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 72, in render
result = block.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/defaulttags.py", line 322, in render
return nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/defaulttags.py", line 216, in render
nodelist.append(node.render_annotated(context))
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/library.py", line 245, in render
return t.render(new_context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 209, in render
return self._render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/test/utils.py", line 107, in instrumented_test_render
return self.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 63, in render
result = self.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 63, in render
result = self.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/loader_tags.py", line 216, in render
return template.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 209, in render
return self._render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/test/utils.py", line 107, in instrumented_test_render
return self.nodelist.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 990, in render
bit = node.render_annotated(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/base.py", line 957, in render_annotated
return self.render(context)
File "/home/vagrant/.virtualenvs/goldmarie/lib/python3.6/site-packages/django/template/library.py", line 203, in render
output = self.func(*resolved_args, **resolved_kwargs)
File "/home/vagrant/goldmarie/goldmarie/templatetags/gm_purchase_info_tags.py", line 13, in purchase_info_for_product
return request.strategy.fetch_for_product(product)
AttributeError: 'str' object has no attribute 'strategy'
</code></pre>
<p>这就是发生异常的地方</p>
<p><a href="https://i.stack.imgur.com/ZkPRm.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ZkPRm.png" alt="enter image description here"/></a></p>