Python和Django请求上下文错误
我正在建立一个Django站点,该站点被转移给了我,我遇到了一个奇怪的错误。这只发生在调用下面模板代码的页面上。我尝试删除模板调用,应用程序只返回一个500错误。有没有人见过这样的情况,或者能够提出进一步的故障排除方法?Ubuntu12、Apache2、MySQL、Mod_Python、Python 2.7、Django 1.4 堆栈跟踪:Python和Django请求上下文错误,python,django,Python,Django,我正在建立一个Django站点,该站点被转移给了我,我遇到了一个奇怪的错误。这只发生在调用下面模板代码的页面上。我尝试删除模板调用,应用程序只返回一个500错误。有没有人见过这样的情况,或者能够提出进一步的故障排除方法?Ubuntu12、Apache2、MySQL、Mod_Python、Python 2.7、Django 1.4 堆栈跟踪: MOD_PYTHON ERROR ProcessId: 8770 Interpreter: 'ip-10-245-86-33.ec2.in
MOD_PYTHON ERROR
ProcessId: 8770
Interpreter: 'ip-10-245-86-33.ec2.internal'
ServerName: 'ip-10-245-86-33.ec2.internal'
DocumentRoot: '/home/public_html/site'
URI: '/location/index.html'
Location: '/'
Directory: None
Filename: '/home/public_html/site/apache/django.wsgi'
PathInfo: '/location/index.html'
Phase: 'PythonHandler'
Handler: 'django.core.handlers.modpython'
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/mod_python/importer.py", line 1537, in HandlerDispatch
default=default_handler, arg=req, silent=hlist.silent)
File "/usr/lib/python2.7/dist-packages/mod_python/importer.py", line 1229, in _process_target
result = _execute_target(config, req, object, arg)
File "/usr/lib/python2.7/dist-packages/mod_python/importer.py", line 1128, in _execute_target
result = object(arg)
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/modpython.py", line 180, in handler
return ModPythonHandler()(req)
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/modpython.py", line 158, in __call__
response = self.get_response(request)
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 179, in get_response
response = self.handle_uncaught_exception(request, resolver, sys.exc_info())
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 228, in handle_uncaught_exception
return callback(request, **param_dict)
File "/usr/local/lib/python2.7/dist-packages/django/utils/decorators.py", line 91, in _wrapped_view
response = view_func(request, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/django/views/defaults.py", line 33, in server_error
return http.HttpResponseServerError(t.render(Context({})))
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 140, in render
return self._render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
return self.nodelist.render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 823, in render
bit = self.render_node(node, context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 837, in render_node
return node.render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 123, in render
return compiled_parent._render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
return self.nodelist.render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 823, in render
bit = self.render_node(node, context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 837, in render_node
return node.render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 123, in render
return compiled_parent._render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
return self.nodelist.render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 823, in render
bit = self.render_node(node, context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 837, in render_node
return node.render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 62, in render
result = block.nodelist.render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 823, in render
bit = self.render_node(node, context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 837, in render_node
return node.render(context)
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 1107, in render
return func(*resolved_args, **resolved_kwargs)
File "/home/public_html/site/asite/templatetags/meta_extras.py", line 35, in meta_url_reverse
host = context["request"].get_host();
File "/usr/local/lib/python2.7/dist-packages/django/template/context.py", line 54, in __getitem__
raise KeyError(key)
KeyError: 'request'
模板代码:
{% block meta %}
{% load meta_extras %}
{% meta_title flatpage.title %}
{% meta_description flatpage.content %}
{% meta_url_reverse "asite_flatpage" flatpage.url %}
{% block meta_image %}{% endblock %}
{% endblock %}
有问题的函数调用:
from django import template
from django.template.loader_tags import register
from django.core.urlresolvers import reverse_lazy
from django.template.context import Context
@register.simple_tag(takes_context=True)
def meta_url_reverse(context,args, pk=None):
if pk is not None:
url = reverse_lazy(args,args=[pk]);
else:
url = reverse_lazy(args);
host = context["request"].get_host();
if context["request"].is_secure():
protocol = "https"
else:
protocol = "http"
return "<link rel='canonical' href='{2}://{1}{0}'></link><meta property='og:url' content='{2}://{1}{0}' />".format(url,host,protocol)
来自django导入模板的
从django.template.loader_标记导入寄存器
从django.core.urlResolver导入反向
从django.template.context导入上下文
@register.simple\u标记(接受\u context=True)
def meta_url_reverse(上下文、参数、主键=无):
如果pk不是None:
url=reverse_lazy(args,args=[pk]);
其他:
url=反向延迟(args);
主机=上下文[“请求”]。获取主机();
如果上下文[“请求”]是安全的():
协议=“https”
其他:
协议=“http”
返回“”格式(url、主机、协议)
该错误是一个keyrerror
投诉密钥请求
不可用于上下文
确保您的模板\u上下文\u处理器
包括或明确将其添加到呈现模板的视图中的上下文中
==编辑==
如果设置中存在这种情况,那么您还需要确保视图本身返回的是
RequestContext
而不是Context
django是否还没有URL的反向
功能?有什么错误?为什么要使用reverse\u lazy
?什么是平面页面。url
?请在此处包含堆栈跟踪,以便为将来的访问者设置上下文,同时,请正确设置代码格式。您应该使用构建绝对uri
,而不是手动操作。感谢所有提示!我的python技能不是很好,我没有写这段代码,我只是在安装时收到它的,所以我不知道为什么它会做任何事情。现在我只想让它运行,不管怎样,将来可能会有重写。我检查了它:TEMPLATE_CONTEXT_PROCESSORS=(“django.contrib.auth.CONTEXT_PROCESSORS.auth”,“django.core.CONTEXT_PROCESSORS.debug”,“django.core.CONTEXT_PROCESSORS.i18n”,“django.core.CONTEXT_PROCESSORS.media”,“django.core.context_processors.request”,)