mirror of https://github.com/django/django.git
Added "pretty" error pages to be used when DEBUG is True.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@1233 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Jacob Kaplan-Moss
parent
1775ee7d08
commit
0710243ea1
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@ -86,14 +86,14 @@ class BaseHandler:
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return response
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return response
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except exceptions.Http404, e:
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except exceptions.Http404, e:
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if DEBUG:
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if DEBUG:
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return self.get_technical_error_response(is404=True, exception=e)
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return self.get_technical_error_response(request, is404=True, exception=e)
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else:
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else:
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callback, param_dict = resolver.resolve404()
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callback, param_dict = resolver.resolve404()
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return callback(request, **param_dict)
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return callback(request, **param_dict)
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except db.DatabaseError:
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except db.DatabaseError:
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db.db.rollback()
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db.db.rollback()
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if DEBUG:
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if DEBUG:
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return self.get_technical_error_response()
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return self.get_technical_error_response(request)
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else:
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else:
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subject = 'Database error (%s IP): %s' % ((request.META.get('REMOTE_ADDR') in INTERNAL_IPS and 'internal' or 'EXTERNAL'), getattr(request, 'path', ''))
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subject = 'Database error (%s IP): %s' % ((request.META.get('REMOTE_ADDR') in INTERNAL_IPS and 'internal' or 'EXTERNAL'), getattr(request, 'path', ''))
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message = "%s\n\n%s" % (self._get_traceback(), request)
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message = "%s\n\n%s" % (self._get_traceback(), request)
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@ -103,7 +103,7 @@ class BaseHandler:
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return httpwrappers.HttpResponseForbidden('<h1>Permission denied</h1>')
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return httpwrappers.HttpResponseForbidden('<h1>Permission denied</h1>')
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except: # Handle everything else, including SuspiciousOperation, etc.
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except: # Handle everything else, including SuspiciousOperation, etc.
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if DEBUG:
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if DEBUG:
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return self.get_technical_error_response()
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return self.get_technical_error_response(request)
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else:
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else:
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subject = 'Coding error (%s IP): %s' % ((request.META.get('REMOTE_ADDR') in INTERNAL_IPS and 'internal' or 'EXTERNAL'), getattr(request, 'path', ''))
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subject = 'Coding error (%s IP): %s' % ((request.META.get('REMOTE_ADDR') in INTERNAL_IPS and 'internal' or 'EXTERNAL'), getattr(request, 'path', ''))
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try:
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try:
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@ -123,35 +123,17 @@ class BaseHandler:
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callback, param_dict = resolver.resolve500()
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callback, param_dict = resolver.resolve500()
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return callback(request, **param_dict)
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return callback(request, **param_dict)
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def get_technical_error_response(self, is404=False, exception=None):
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def get_technical_error_response(self, request, is404=False, exception=None):
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"""
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"""
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Returns an HttpResponse that displays a TECHNICAL error message for a
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Returns an HttpResponse that displays a TECHNICAL error message for a
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fundamental database or coding error.
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fundamental database or coding error.
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"""
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"""
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import sys
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from django.views import debug
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if is404:
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if is404:
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from django.conf.settings import ROOT_URLCONF
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return debug.technical_404_response(request, exception)
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from django.utils.html import escape
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html = ['<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">']
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html.append('<html><head><title>Error 404</title>')
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# Explicitly tell robots not to archive this, in case this slips
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# onto a production site.
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html.append('<meta name="robots" content="NONE,NOARCHIVE" />')
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html.append('</head><body><h1>Error 404</h1>')
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try:
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tried = exception.args[0]['tried']
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except (IndexError, TypeError):
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if exception.args:
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html.append('<p>%s</p>' % escape(exception.args[0]))
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else:
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html.append('<p>Using the URLconf defined in <code>%s</code>, Django tried these URL patterns, in this order:</p>' % ROOT_URLCONF)
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html.append('<ul>%s</ul>' % ''.join(['<li><code>%s</code></li>' % escape(t).replace(' ', ' ') for t in tried]))
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html.append("<p>The current URL, <code><strong>%r</strong></code>, didn't match any of these.</p>" % exception.args[0]['path'])
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html.append("<hr /><p>You're seeing this error because you have <code>DEBUG = True</code> in your Django settings file. Change that to <code>False</code>, and Django will display a standard 404 page.</p>")
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html.append('</body></html>')
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return httpwrappers.HttpResponseNotFound('\n'.join(html))
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else:
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else:
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output = "There's been an error:\n\n%s" % self._get_traceback()
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return debug.technical_500_response(request, *sys.exc_info())
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return httpwrappers.HttpResponseServerError(output, mimetype='text/plain')
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def _get_traceback(self):
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def _get_traceback(self):
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"Helper function to return the traceback as a string"
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"Helper function to return the traceback as a string"
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@ -0,0 +1,438 @@
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import os
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import sys
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import inspect
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from django.conf import settings
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from os.path import dirname, join as pathjoin
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from django.core.template import Template, Context
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from django.utils.httpwrappers import HttpResponseServerError, HttpResponseNotFound
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def technical_500_response(request, exc_type, exc_value, tb):
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"""
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Create a technical server error response. The last three arguments are
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the values returned from sys.exc_info() and friends.
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"""
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frames = []
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while tb is not None:
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filename = tb.tb_frame.f_code.co_filename
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function = tb.tb_frame.f_code.co_name
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lineno = tb.tb_lineno - 1
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pre_context_lineno, pre_context, context_line, post_context = _get_lines_from_file(filename, lineno, 7)
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frames.append({
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'tb' : tb,
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'filename' : filename,
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'function' : function,
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'lineno' : lineno,
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'vars' : tb.tb_frame.f_locals,
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'id' : id(tb),
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'pre_context' : pre_context,
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'context_line' : context_line,
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'post_context' : post_context,
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'pre_context_lineno' : pre_context_lineno,
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})
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tb = tb.tb_next
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t = Template(TECHNICAL_500_TEMPLATE)
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c = Context({
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'exception_type' : exc_type.__name__,
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'exception_value' : exc_value,
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'frames' : frames,
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'lastframe' : frames[-1],
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'request' : request,
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'request_protocol' : os.environ.get("HTTPS") == "on" and "https" or "http",
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'settings' : dict([(k, getattr(settings, k)) for k in dir(settings) if k.isupper()]),
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})
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return HttpResponseServerError(t.render(c))
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def technical_404_response(request, exception):
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"""
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Create a technical 404 error response. The exception should be the Http404
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exception.
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"""
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try:
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tried = exception.args[0]['tried']
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except (IndexError, TypeError):
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tried = []
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t = Template(TECHNICAL_404_TEMPLATE)
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c = Context({
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'root_urlconf' : settings.ROOT_URLCONF,
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'urlpatterns' : tried,
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'reason' : str(exception),
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'request' : request,
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'request_protocol' : os.environ.get("HTTPS") == "on" and "https" or "http",
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'settings' : dict([(k, getattr(settings, k)) for k in dir(settings) if k.isupper()]),
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})
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return HttpResponseNotFound(t.render(c))
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def _get_lines_from_file(filename, lineno, context_lines):
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"""
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Returns context_lines before and after lineno from file.
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Returns (pre_context_lineno, pre_context, context_line, post_context).
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"""
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try:
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source = open(filename).readlines()
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lower_bound = max(0, lineno - context_lines)
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upper_bound = lineno + context_lines
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pre_context = [line.strip('\n') for line in source[lower_bound:lineno]]
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context_line = source[lineno].strip('\n')
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post_context = [line.strip('\n') for line in source[lineno+1:upper_bound]]
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return lower_bound, pre_context, context_line, post_context
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except (OSError, IOError):
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return None, [], None, []
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#
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# Templates are embedded in the file so that we know the error handler will
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# always work even if the template loader is broken.
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#
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TECHNICAL_500_TEMPLATE = """
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html lang="en">
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<title>{{ exception_type }} at {{ request.path }}</title>
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<style type="text/css">
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html * { padding:0; margin:0; }
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body * { padding:10px 20px; }
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body * * { padding:0; }
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body { font:small sans-serif; }
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body>div { border-bottom:1px solid #ddd; }
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h1 { font-weight:normal; }
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h2 { margin-bottom:.8em; }
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h2 span { font-size:80%; color:#666; font-weight:normal; }
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h3 { margin:1em 0 .5em 0; }
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h4 { margin:0 0 .5em 0; font-weight: normal; }
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table { border:1px solid #ccc; border-collapse: collapse; width:100%; background:white; }
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tbody td, tbody th { vertical-align:top; padding:2px 3px; }
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thead th { padding:1px 6px 1px 3px; background:#fefefe; text-align:left; font-weight:normal; font-size:11px; border:1px solid #ddd; }
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tbody th { width:12em; text-align:right; color:#666; padding-right:.5em; }
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table.vars { margin:5px 0 2px 40px; }
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table.vars td, table.req td { font-family:monospace; }
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table td.code { width:100%; }
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table td.code div { overflow:hidden; }
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ul.traceback { list-style-type:none; }
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ul.traceback li.frame { margin-bottom:1em; }
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div.context { margin: 10px 0; }
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div.context ol { padding-left:30px; margin:0 10px; list-style-position: inside; }
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div.context ol li { font-family:monospace; white-space:pre; color:#666; }
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div.context ol.context-line li { color:black; background-color:#ccc; cursor:pointer; }
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div.commands { margin-left: 40px; }
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div.commands a { color:black; text-decoration:none; }
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#summary { background: #ffc; }
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#summary h2 { font-weight: normal; color: #666; }
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#explanation { background:#eee; }
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#traceback { background:#eee; }
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#requestinfo { background:#f6f6f6; padding-left:120px; }
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#summary table { border:none; background:transparent; }
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#requestinfo h2, #requestinfo h3 { position:relative; margin-left:-100px; }
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#requestinfo h3 { margin-bottom:-1em; }
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</style>
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<script type="text/javascript">
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function getElementsByClassName(oElm, strTagName, strClassName){
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// Written by Jonathan Snook, http://www.snook.ca/jon; Add-ons by Robert Nyman, http://www.robertnyman.com
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var arrElements = (strTagName == "*" && document.all)? document.all :
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oElm.getElementsByTagName(strTagName);
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var arrReturnElements = new Array();
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strClassName = strClassName.replace(/\-/g, "\\-");
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var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
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var oElement;
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for(var i=0; i<arrElements.length; i++){
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oElement = arrElements[i];
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if(oRegExp.test(oElement.className)){
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arrReturnElements.push(oElement);
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}
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}
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return (arrReturnElements)
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}
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function hideAll(elems) {
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for (var e = 0; e < elems.length; e++) {
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elems[e].style.display = 'none';
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}
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}
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window.onload = function() {
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hideAll(getElementsByClassName(document, 'table', 'vars'));
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hideAll(getElementsByClassName(document, 'ol', 'pre-context'));
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hideAll(getElementsByClassName(document, 'ol', 'post-context'));
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}
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function toggle() {
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for (var i = 0; i < arguments.length; i++) {
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var e = document.getElementById(arguments[i]);
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if (e) {
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e.style.display = e.style.display == 'none' ? 'block' : 'none';
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}
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}
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return false;
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}
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function varToggle(link, id) {
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toggle('v' + id);
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var s = link.getElementsByTagName('span')[0];
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var uarr = String.fromCharCode(0x2191);
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var darr = String.fromCharCode(0x2193);
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s.innerHTML = s.innerHTML == uarr ? darr : uarr;
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return false;
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}
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</script>
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</head>
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<body>
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<div id="summary">
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<h1>{{ exception_type }} at {{ request.path }}</h1>
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<h2>{{ exception_value }}</h2>
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<table class="meta">
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<tr>
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<th>Request Method:</th>
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<td>{{ request.META.REQUEST_METHOD }}</td>
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</tr>
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<tr>
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<th>Request URL:</th>
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<td>{{ request_protocol }}://{{ request.META.HTTP_HOST }}{{ request.path }}</td>
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</tr>
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<tr>
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<th>Exception Type:</th>
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<td>{{ exception_type }}</td>
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</tr>
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<tr>
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<th>Exception Value:</th>
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<td>{{ exception_value }}</td>
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</tr>
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<tr>
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<th>Exception Location:</th>
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<td>{{ lastframe.filename }} in {{ lastframe.function }}, line {{ lastframe.lineno }}</td>
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</tr>
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</table>
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</div>
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<div id="traceback">
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<h2>Traceback <span>(innermost last)</span></h2>
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<ul class="traceback">
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{% for frame in frames %}
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<li class="frame">
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<code>{{ frame.filename }}</code> in <code>{{ frame.function }}</code>
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{% if frame.context_line %}
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<div class="context" id="c{{ frame.id }}">
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{% if frame.pre_context %}
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<ol start="{{ frame.pre_context_lineno }}" class="pre-context" id="pre{{ frame.id }}">{% for line in frame.pre_context %}<li>{{ line|escape }}</li>{% endfor %}</ol>
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{% endif %}
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<ol start="{{ frame.lineno }}" class="context-line"><li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ frame.context_line|escape }}</li></ol>
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{% if frame.post_context %}
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<ol start='{{ frame.lineno|add:"1" }}' class="post-context" id="post{{ frame.id }}">{% for line in frame.post_context %}<li>{{ line|escape }}</li>{% endfor %}</ol>
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{% endif %}
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</div>
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{% endif %}
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{% if frame.vars %}
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<div class="commands">
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<a href="#" onclick="return varToggle(this, '{{ frame.id }}')">Local vars <span>↓</span> </a>
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</div>
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<table class="vars" id="v{{ frame.id }}">
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<thead>
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<tr>
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<th>Variable</th>
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<th>Value</th>
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</tr>
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</thead>
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<tbody>
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{% for var in frame.vars.items|dictsort:"0" %}
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<tr>
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<td>{{ var.0 }}</td>
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<td class="code"><div>{{ var.1|pprint|escape }}</div></td>
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</tr>
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{% endfor %}
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</tbody>
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</table>
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{% endif %}
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</li>
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{% endfor %}
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</ul>
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</div>
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<div id="requestinfo">
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<h2>Request information</h2>
|
||||||
|
|
||||||
|
<h3 id="get-info">GET</h3>
|
||||||
|
{% if request.GET %}
|
||||||
|
<table class="req">
|
||||||
|
<thead>
|
||||||
|
<tr>
|
||||||
|
<th>Variable</th>
|
||||||
|
<th>Value</th>
|
||||||
|
</tr>
|
||||||
|
</thead>
|
||||||
|
</tbody>
|
||||||
|
{% for var in request.GET.items %}
|
||||||
|
<tr>
|
||||||
|
<td>{{ var.0 }}</td>
|
||||||
|
<td class="code"><div>{{ var.1|pprint|escape }}</div></td>
|
||||||
|
</tr>
|
||||||
|
{% endfor %}
|
||||||
|
</tbody>
|
||||||
|
</table>
|
||||||
|
{% else %}
|
||||||
|
<p>No GET data<p>
|
||||||
|
{% endif %}
|
||||||
|
|
||||||
|
<h3 id="post-info">POST</h3>
|
||||||
|
{% if request.POST %}
|
||||||
|
<table class="req">
|
||||||
|
<thead>
|
||||||
|
<tr>
|
||||||
|
<th>Variable</th>
|
||||||
|
<th>Value</th>
|
||||||
|
</tr>
|
||||||
|
</thead>
|
||||||
|
</tbody>
|
||||||
|
{% for var in request.POST.items %}
|
||||||
|
<tr>
|
||||||
|
<td>{{ var.0 }}</td>
|
||||||
|
<td class="code"><div>{{ var.1|pprint|escape }}</div></td>
|
||||||
|
</tr>
|
||||||
|
{% endfor %}
|
||||||
|
</tbody>
|
||||||
|
</table>
|
||||||
|
{% else %}
|
||||||
|
<p>No POST data<p>
|
||||||
|
{% endif %}
|
||||||
|
|
||||||
|
<h3 id="cookie-info">COOKIES</h3>
|
||||||
|
{% if request.COOKIES %}
|
||||||
|
<table class="req">
|
||||||
|
<thead>
|
||||||
|
<tr>
|
||||||
|
<th>Variable</th>
|
||||||
|
<th>Value</th>
|
||||||
|
</tr>
|
||||||
|
</thead>
|
||||||
|
</tbody>
|
||||||
|
{% for var in request.COOKIES.items %}
|
||||||
|
<tr>
|
||||||
|
<td>{{ var.0 }}</td>
|
||||||
|
<td class="code"><div>{{ var.1|pprint|escape }}</div></td>
|
||||||
|
</tr>
|
||||||
|
{% endfor %}
|
||||||
|
</tbody>
|
||||||
|
</table>
|
||||||
|
{% else %}
|
||||||
|
<p>No cookie data<p>
|
||||||
|
{% endif %}
|
||||||
|
|
||||||
|
<h3 id="meta-info">META</h3>
|
||||||
|
<table class="req">
|
||||||
|
<thead>
|
||||||
|
<tr>
|
||||||
|
<th>Variable</th>
|
||||||
|
<th>Value</th>
|
||||||
|
</tr>
|
||||||
|
</thead>
|
||||||
|
</tbody>
|
||||||
|
{% for var in request.META.items|dictsort:"0" %}
|
||||||
|
<tr>
|
||||||
|
<td>{{ var.0 }}</td>
|
||||||
|
<td class="code"><div>{{ var.1|pprint|escape }}</div></td>
|
||||||
|
</tr>
|
||||||
|
{% endfor %}
|
||||||
|
</tbody>
|
||||||
|
</table>
|
||||||
|
|
||||||
|
<h3 id="settings-info">Settings</h3>
|
||||||
|
<h4>Using settings module <code>{{ settings.SETTINGS_MODULE }}</code></h4>
|
||||||
|
<table class="req">
|
||||||
|
<thead>
|
||||||
|
<tr>
|
||||||
|
<th>Setting</th>
|
||||||
|
<th>Value</th>
|
||||||
|
</tr>
|
||||||
|
</thead>
|
||||||
|
</tbody>
|
||||||
|
{% for var in settings.items|dictsort:"0" %}
|
||||||
|
<tr>
|
||||||
|
<td>{{ var.0 }}</td>
|
||||||
|
<td class="code"><div>{{ var.1|pprint|escape }}</div></td>
|
||||||
|
</tr>
|
||||||
|
{% endfor %}
|
||||||
|
</tbody>
|
||||||
|
</table>
|
||||||
|
|
||||||
|
</div>
|
||||||
|
|
||||||
|
<div id="explanation">
|
||||||
|
<p>
|
||||||
|
You're seeing this error because you have <code>DEBUG = True</code> in your
|
||||||
|
Django settings file. Change that to <code>False</code>, and Django will
|
||||||
|
display a standard 500 page.
|
||||||
|
</p>
|
||||||
|
</div>
|
||||||
|
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
|
"""
|
||||||
|
|
||||||
|
TECHNICAL_404_TEMPLATE = """
|
||||||
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
||||||
|
<html lang="en">
|
||||||
|
<head>
|
||||||
|
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
|
||||||
|
<title>Page not found at {{ request.path }}</title>
|
||||||
|
<meta name="robots" content="NONE,NOARCHIVE" />
|
||||||
|
<style type="text/css">
|
||||||
|
html * { padding:0; margin:0; }
|
||||||
|
body * { padding:10px 20px; }
|
||||||
|
body * * { padding:0; }
|
||||||
|
body { font:small sans-serif; background:#eee; }
|
||||||
|
body>div { border-bottom:1px solid #ddd; }
|
||||||
|
h1 { font-weight:normal; margin-bottom:.4em; }
|
||||||
|
h1 span { font-size:60%; color:#666; font-weight:normal; }
|
||||||
|
table { border:none; border-collapse: collapse; width:100%; }
|
||||||
|
td, th { vertical-align:top; padding:2px 3px; }
|
||||||
|
th { width:12em; text-align:right; color:#666; padding-right:.5em; }
|
||||||
|
#info { background:#f6f6f6; }
|
||||||
|
#info ol { margin: 0.5em 4em; }
|
||||||
|
#info ol li { font-family: monospace; }
|
||||||
|
#summary { background: #ffc; }
|
||||||
|
#explanation { background:#eee; border-bottom: 0px none; }
|
||||||
|
</style>
|
||||||
|
</head>
|
||||||
|
<body>
|
||||||
|
<div id="summary">
|
||||||
|
<h1>Page not found <span>(404)</span></h1>
|
||||||
|
<table class="meta">
|
||||||
|
<tr>
|
||||||
|
<th>Request Method:</th>
|
||||||
|
<td>{{ request.META.REQUEST_METHOD }}</td>
|
||||||
|
</tr>
|
||||||
|
<tr>
|
||||||
|
<th>Request URL:</th>
|
||||||
|
<td>{{ request_protocol }}://{{ request.META.HTTP_HOST }}{{ request.path }}</td>
|
||||||
|
</tr>
|
||||||
|
</table>
|
||||||
|
</div>
|
||||||
|
<div id="info">
|
||||||
|
{% if urlpatterns %}
|
||||||
|
<p>
|
||||||
|
Using the URLconf defined in <code>{{ settings.ROOT_URLCONF }}</code>,
|
||||||
|
Django tried these URL patterns, in this order:
|
||||||
|
</p>
|
||||||
|
<ol>
|
||||||
|
{% for pattern in urlpatterns %}
|
||||||
|
<li>{{ pattern|escape }}</li>
|
||||||
|
{% endfor %}
|
||||||
|
</ol>
|
||||||
|
<p>The current URL, <code>{{ request.path }}</code>, didn't match any of these.</p>
|
||||||
|
{% else %}
|
||||||
|
<p>{{ reason|escape }}</p>
|
||||||
|
{% endif %}
|
||||||
|
</div>
|
||||||
|
|
||||||
|
<div id="explanation">
|
||||||
|
<p>
|
||||||
|
You're seeing this error because you have <code>DEBUG = True</code> in
|
||||||
|
your Django settings file. Change that to <code>False</code>, and Django
|
||||||
|
will display a standard 404 page.
|
||||||
|
</p>
|
||||||
|
</div>
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
|
"""
|
||||||
Loading…
Reference in New Issue