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POPython and Django request context error
 

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    <p>I'm setting up a Django site that was transferred over to me and I've hit a strange error. This is only happening on the pages that call the template code below. I've tried removing the template call and the application just returns a 500 error. Has anyone ever seen something like this or possibly be able to suggest a method of further troubleshooting? Ubuntu12, Apache2, MySQL, Mod_Python, Python 2.7, Django 1.4</p> <p>Stack Trace: </p> <pre><code>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' </code></pre> <p>Template Code:</p> <pre><code>{% 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 %} </code></pre> <p>Offending Function Call:</p> <pre><code>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 "&lt;link rel='canonical' href='{2}://{1}{0}'&gt;&lt;/link&gt;&lt;meta property='og:url' content='{2}://{1}{0}' /&gt;".format(url,host,protocol) </code></pre>
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    1. CODoes django not already have a `reverse` function for urls?
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    2. COWhat is there error? why are you using `reverse_lazy`? What is `flat page.url`?
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      1. USjproffitt
    3. COPlease include the stack trace here to set context for future visitors, also, please format your code properly.
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      1. USzsquare
 

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