text: import datetime
  import os
  import re
  import sys
  import types
  
  from django.conf import settings
  from django.http import HttpResponse, HttpResponseServerError, HttpResponseNotFound
  from django.template import (Template, Context, TemplateDoesNotExist,
      TemplateSyntaxError)
  from django.template.defaultfilters import force_escape, pprint
  from django.utils.html import escape
  from django.utils.importlib import import_module
  from django.utils.encoding import smart_unicode, smart_str
  
  HIDDEN_SETTINGS = re.compile('SECRET|PASSWORD|PROFANITIES_LIST|SIGNATURE')
  
  def linebreak_iter(template_source):
      yield 0
      p = template_source.find('\n')
      while p >= 0:
          yield p+1
          p = template_source.find('\n', p+1)
      yield len(template_source) + 1
  
  def cleanse_setting(key, value):
      """Cleanse an individual setting key/value of sensitive content.
  
      If the value is a dictionary, recursively cleanse the keys in
      that dictionary.
      """
      try:
          if HIDDEN_SETTINGS.search(key):
              cleansed = '********************'
          else:
              if isinstance(value, dict):
                  cleansed = dict((k, cleanse_setting(k, v)) for k,v in value.items())
              else:
                  cleansed = value
      except TypeError:
          # If the key isn't regex-able, just return as-is.
          cleansed = value
      return cleansed
  
  def get_safe_settings():
      "Returns a dictionary of the settings module, with sensitive settings blurred out."
      settings_dict = {}
      for k in dir(settings):
          if k.isupper():
              settings_dict[k] = cleanse_setting(k, getattr(settings, k))
      return settings_dict
  
  def technical_500_response(request, exc_type, exc_value, tb):
      """
      Create a technical server error response. The last three arguments are
      the values returned from sys.exc_info() and friends.
      """
      reporter = ExceptionReporter(request, exc_type, exc_value, tb)
      html = reporter.get_traceback_html()
      return HttpResponseServerError(html, mimetype='text/html')
  
  class ExceptionReporter(object):
      """
      A class to organize and coordinate reporting on exceptions.
      """
      def __init__(self, request, exc_type, exc_value, tb, is_email=False):
          self.request = request
          self.exc_type = exc_type
          self.exc_value = exc_value
          self.tb = tb
          self.is_email = is_email
  
          self.template_info = None
          self.template_does_not_exist = False
          self.loader_debug_info = None
  
          # Handle deprecated string exceptions
          if isinstance(self.exc_type, basestring):
              self.exc_value = Exception('Deprecated String Exception: %r' % self.exc_type)
              self.exc_type = type(self.exc_value)
  
      def get_traceback_html(self):
          "Return HTML code for traceback."
  
          if self.exc_type and issubclass(self.exc_type, TemplateDoesNotExist):
              from django.template.loader import template_source_loaders
              self.template_does_not_exist = True
              self.loader_debug_info = []
              for loader in template_source_loaders:
                  try:
                      module = import_module(loader.__module__)
                      if hasattr(loader, '__class__'):
                          source_list_func = loader.get_template_sources
                      else: # NOTE: Remember to remove this branch when we deprecate old template loaders in 1.4
                          source_list_func = module.get_template_sources
                      # NOTE: This assumes exc_value is the name of the template that
                      # the loader attempted to load.
                      template_list = [{'name': t, 'exists': os.path.exists(t)} \
                          for t in source_list_func(str(self.exc_value))]
                  except (ImportError, AttributeError):
                      template_list = []
                  if hasattr(loader, '__class__'):
                      loader_name = loader.__module__ + '.' + loader.__class__.__name__
                  else: # NOTE: Remember to remove this branch when we deprecate old template loaders in 1.4
                      loader_name = loader.__module__ + '.' + loader.__name__
                  self.loader_debug_info.append({
                      'loader': loader_name,
                      'templates': template_list,
                  })
          if (settings.TEMPLATE_DEBUG and hasattr(self.exc_value, 'source') and
              isinstance(self.exc_value, TemplateSyntaxError)):
              self.get_template_exception_info()
  
          frames = self.get_traceback_frames()
          for i, frame in enumerate(frames):
              if 'vars' in frame:
                  frame['vars'] = [(k, force_escape(pprint(v))) for k, v in frame['vars']]
              frames[i] = frame
  
          unicode_hint = ''
          if self.exc_type and issubclass(self.exc_type, UnicodeError):
              start = getattr(self.exc_value, 'start', None)
              end = getattr(self.exc_value, 'end', None)
              if start is not None and end is not None:
                  unicode_str = self.exc_value.args[1]
                  unicode_hint = smart_unicode(unicode_str[max(start-5, 0):min(end+5, len(unicode_str))], 'ascii', errors='replace')
          from django import get_version
          t = Template(TECHNICAL_500_TEMPLATE, name='Technical 500 template')
          c = Context({
              'is_email': self.is_email,
              'unicode_hint': unicode_hint,
              'frames': frames,
              'request': self.request,
              'settings': get_safe_settings(),
              'sys_executable': sys.executable,
              'sys_version_info': '%d.%d.%d' % sys.version_info[0:3],
              'server_time': datetime.datetime.now(),
              'django_version_info': get_version(),
              'sys_path' : sys.path,
              'template_info': self.template_info,
              'template_does_not_exist': self.template_does_not_exist,
              'loader_debug_info': self.loader_debug_info,
          })
          # Check whether exception info is available
          if self.exc_type:
              c['exception_type'] = self.exc_type.__name__
          if self.exc_value:
              c['exception_value'] = smart_unicode(self.exc_value, errors='replace')
          if frames:
              c['lastframe'] = frames[-1]
          return t.render(c)
  
      def get_template_exception_info(self):
          origin, (start, end) = self.exc_value.source
          template_source = origin.reload()
          context_lines = 10
          line = 0
          upto = 0
          source_lines = []
          before = during = after = ""
          for num, next in enumerate(linebreak_iter(template_source)):
              if start >= upto and end <= next:
                  line = num
                  before = escape(template_source[upto:start])
                  during = escape(template_source[start:end])
                  after = escape(template_source[end:next])
              source_lines.append( (num, escape(template_source[upto:next])) )
              upto = next
          total = len(source_lines)
  
          top = max(1, line - context_lines)
          bottom = min(total, line + 1 + context_lines)
  
          self.template_info = {
              'message': self.exc_value.args[0],
              'source_lines': source_lines[top:bottom],
              'before': before,
              'during': during,
              'after': after,
              'top': top,
              'bottom': bottom,
              'total': total,
              'line': line,
              'name': origin.name,
          }
  
      def _get_lines_from_file(self, filename, lineno, context_lines, loader=None, module_name=None):
          """
          Returns context_lines before and after lineno from file.
          Returns (pre_context_lineno, pre_context, context_line, post_context).
          """
          source = None
          if loader is not None and hasattr(loader, "get_source"):
              source = loader.get_source(module_name)
              if source is not None:
                  source = source.splitlines()
          if source is None:
              try:
                  f = open(filename)
                  try:
                      source = f.readlines()
                  finally:
                      f.close()
              except (OSError, IOError):
                  pass
          if source is None:
              return None, [], None, []
  
          encoding = 'ascii'
          for line in source[:2]:
              # File coding may be specified. Match pattern from PEP-263
              # (http://www.python.org/dev/peps/pep-0263/)
              match = re.search(r'coding[:=]\s*([-\w.]+)', line)
              if match:
                  encoding = match.group(1)
                  break
          source = [unicode(sline, encoding, 'replace') for sline in source]
  
          lower_bound = max(0, lineno - context_lines)
          upper_bound = lineno + context_lines
  
          pre_context = [line.strip('\n') for line in source[lower_bound:lineno]]
          context_line = source[lineno].strip('\n')
          post_context = [line.strip('\n') for line in source[lineno+1:upper_bound]]
  
          return lower_bound, pre_context, context_line, post_context
  
      def get_traceback_frames(self):
          frames = []
          tb = self.tb
          while tb is not None:
              # support for __traceback_hide__ which is used by a few libraries
              # to hide internal frames.
              if tb.tb_frame.f_locals.get('__traceback_hide__'):
                  tb = tb.tb_next
                  continue
              filename = tb.tb_frame.f_code.co_filename
              function = tb.tb_frame.f_code.co_name
              lineno = tb.tb_lineno - 1
              loader = tb.tb_frame.f_globals.get('__loader__')
              module_name = tb.tb_frame.f_globals.get('__name__')
              pre_context_lineno, pre_context, context_line, post_context = self._get_lines_from_file(filename, lineno, 7, loader, module_name)
              if pre_context_lineno is not None:
                  frames.append({
                      'tb': tb,
                      'filename': filename,
                      'function': function,
                      'lineno': lineno + 1,
                      'vars': tb.tb_frame.f_locals.items(),
                      'id': id(tb),
                      'pre_context': pre_context,
                      'context_line': context_line,
                      'post_context': post_context,
                      'pre_context_lineno': pre_context_lineno + 1,
                  })
              tb = tb.tb_next
  
          return frames
  
      def format_exception(self):
          """
          Return the same data as from traceback.format_exception.
          """
          import traceback
          frames = self.get_traceback_frames()
          tb = [ (f['filename'], f['lineno'], f['function'], f['context_line']) for f in frames ]
          list = ['Traceback (most recent call last):\n']
          list += traceback.format_list(tb)
          list += traceback.format_exception_only(self.exc_type, self.exc_value)
          return list
  
  
  def technical_404_response(request, exception):
      "Create a technical 404 error response. The exception should be the Http404."
      try:
          tried = exception.args[0]['tried']
      except (IndexError, TypeError, KeyError):
          tried = []
      else:
          if not tried:
              # tried exists but is an empty list. The URLconf must've been empty.
              return empty_urlconf(request)
  
      urlconf = getattr(request, 'urlconf', settings.ROOT_URLCONF)
      if isinstance(urlconf, types.ModuleType):
          urlconf = urlconf.__name__
  
      t = Template(TECHNICAL_404_TEMPLATE, name='Technical 404 template')
      c = Context({
          'urlconf': urlconf,
          'root_urlconf': settings.ROOT_URLCONF,
          'request_path': request.path_info[1:], # Trim leading slash
          'urlpatterns': tried,
          'reason': smart_str(exception, errors='replace'),
          'request': request,
          'settings': get_safe_settings(),
      })
      return HttpResponseNotFound(t.render(c), mimetype='text/html')
  
  def empty_urlconf(request):
      "Create an empty URLconf 404 error response."
      t = Template(EMPTY_URLCONF_TEMPLATE, name='Empty URLConf template')
      c = Context({
          'project_name': settings.SETTINGS_MODULE.split('.')[0]
      })
      return HttpResponse(t.render(c), mimetype='text/html')
  
  #
  # Templates are embedded in the file so that we know the error handler will
  # always work even if the template loader is broken.
  #
  
  TECHNICAL_500_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">
    <meta name="robots" content="NONE,NOARCHIVE">
    <title>{% if exception_type %}{{ exception_type }}{% else %}Report{% endif %}{% if request %} at {{ request.path_info|escape }}{% endif %}</title>
    <style type="text/css">
      html * { padding:0; margin:0; }
      body * { padding:10px 20px; }
      body * * { padding:0; }
      body { font:small sans-serif; }
      body>div { border-bottom:1px solid #ddd; }
      h1 { font-weight:normal; }
      h2 { margin-bottom:.8em; }
      h2 span { font-size:80%; color:#666; font-weight:normal; }
      h3 { margin:1em 0 .5em 0; }
      h4 { margin:0 0 .5em 0; font-weight: normal; }
      code, pre { font-size: 100%; }
      table { border:1px solid #ccc; border-collapse: collapse; width:100%; background:white; }
      tbody td, tbody th { vertical-align:top; padding:2px 3px; }
      thead th { padding:1px 6px 1px 3px; background:#fefefe; text-align:left; font-weight:normal; font-size:11px; border:1px solid #ddd; }
      tbody th { width:12em; text-align:right; color:#666; padding-right:.5em; }
      table.vars { margin:5px 0 2px 40px; }
      table.vars td, table.req td { font-family:monospace; }
      table td.code { width:100%; }
      table td.code pre { overflow:hidden; }
      table.source th { color:#666; }
      table.source td { font-family:monospace; white-space:pre; border-bottom:1px solid #eee; }
      ul.traceback { list-style-type:none; }
      ul.traceback li.frame { padding-bottom:1em; }
      div.context { padding:10px 0; overflow:hidden; }
      div.context ol { padding-left:30px; margin:0 10px; list-style-position: inside; }
      div.context ol li { font-family:monospace; white-space:pre; color:#666; cursor:pointer; }
      div.context ol li pre { display:inline; }
      div.context ol.context-line li { color:black; background-color:#ccc; }
      div.context ol.context-line li span { position:absolute; right:32px; }
      div.commands { margin-left: 40px; }
      div.commands a { color:black; text-decoration:none; }
      #summary { background: #ffc; }
      #summary h2 { font-weight: normal; color: #666; }
      #explanation { background:#eee; }
      #template, #template-not-exist { background:#f6f6f6; }
      #template-not-exist ul { margin: 0 0 0 20px; }
      #unicode-hint { background:#eee; }
      #traceback { background:#eee; }
      #requestinfo { background:#f6f6f6; padding-left:120px; }
      #summary table { border:none; background:transparent; }
      #requestinfo h2, #requestinfo h3 { position:relative; margin-left:-100px; }
      #requestinfo h3 { margin-bottom:-1em; }
      .error { background: #ffc; }
      .specific { color:#cc3300; font-weight:bold; }
      h2 span.commands { font-size:.7em;}
      span.commands a:link {color:#5E5694;}
      pre.exception_value { font-family: sans-serif; color: #666; font-size: 1.5em; margin: 10px 0 10px 0; }
    </style>
    {% if not is_email %}
    <script type="text/javascript">
    //<!--
      function getElementsByClassName(oElm, strTagName, strClassName){
          // Written by Jonathan Snook, http://www.snook.ca/jon; Add-ons by Robert Nyman, http://www.robertnyman.com
          var arrElements = (strTagName == "*" && document.all)? document.all :
          oElm.getElementsByTagName(strTagName);
          var arrReturnElements = new Array();
          strClassName = strClassName.replace(/\-/g, "\\-");
          var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
          var oElement;
          for(var i=0; i<arrElements.length; i++){
              oElement = arrElements[i];
              if(oRegExp.test(oElement.className)){
                  arrReturnElements.push(oElement);
              }
          }
          return (arrReturnElements)
      }
      function hideAll(elems) {
        for (var e = 0; e < elems.length; e++) {
          elems[e].style.display = 'none';
        }
      }
      window.onload = function() {
        hideAll(getElementsByClassName(document, 'table', 'vars'));
        hideAll(getElementsByClassName(document, 'ol', 'pre-context'));
        hideAll(getElementsByClassName(document, 'ol', 'post-context'));
        hideAll(getElementsByClassName(document, 'div', 'pastebin'));
      }
      function toggle() {
        for (var i = 0; i < arguments.length; i++) {
          var e = document.getElementById(arguments[i]);
          if (e) {
            e.style.display = e.style.display == 'none' ? 'block' : 'none';
          }
        }
        return false;
      }
      function varToggle(link, id) {
        toggle('v' + id);
        var s = link.getElementsByTagName('span')[0];
        var uarr = String.fromCharCode(0x25b6);
        var darr = String.fromCharCode(0x25bc);
        s.innerHTML = s.innerHTML == uarr ? darr : uarr;
        return false;
      }
      function switchPastebinFriendly(link) {
        s1 = "Switch to copy-and-paste view";
        s2 = "Switch back to interactive view";
        link.innerHTML = link.innerHTML == s1 ? s2 : s1;
        toggle('browserTraceback', 'pastebinTraceback');
        return false;
      }
      //-->
    </script>
    {% endif %}
  </head>
  <body>
  <div id="summary">
    <h1>{% if exception_type %}{{ exception_type }}{% else %}Report{% endif %}{% if request %} at {{ request.path_info|escape }}{% endif %}</h1>
    <pre class="exception_value">{% if exception_value %}{{ exception_value|force_escape }}{% else %}No exception supplied{% endif %}</pre>
    <table class="meta">
  {% if request %}
      <tr>
        <th>Request Method:</th>
        <td>{{ request.META.REQUEST_METHOD }}</td>
      </tr>
      <tr>
        <th>Request URL:</th>
        <td>{{ request.build_absolute_uri|escape }}</td>
      </tr>
  {% endif %}
      <tr>
        <th>Django Version:</th>
        <td>{{ django_version_info }}</td>
      </tr>
  {% if exception_type %}
      <tr>
        <th>Exception Type:</th>
        <td>{{ exception_type }}</td>
      </tr>
  {% endif %}
  {% if exception_type and exception_value %}
      <tr>
        <th>Exception Value:</th>
        <td><pre>{{ exception_value|force_escape }}</pre></td>
      </tr>
  {% endif %}
  {% if lastframe %}
      <tr>
        <th>Exception Location:</th>
        <td>{{ lastframe.filename|escape }} in {{ lastframe.function|escape }}, line {{ lastframe.lineno }}</td>
      </tr>
  {% endif %}
      <tr>
        <th>Python Executable:</th>
        <td>{{ sys_executable|escape }}</td>
      </tr>
      <tr>
        <th>Python Version:</th>
        <td>{{ sys_version_info }}</td>
      </tr>
      <tr>
        <th>Python Path:</th>
        <td><pre>{{ sys_path|pprint }}</pre></td>
      </tr>
      <tr>
        <th>Server time:</th>
        <td>{{server_time|date:"r"}}</td>
      </tr>
    </table>
  </div>
  {% if unicode_hint %}
  <div id="unicode-hint">
      <h2>Unicode error hint</h2>
      <p>The string that could not be encoded/decoded was: <strong>{{ unicode_hint|force_escape }}</strong></p>
  </div>
  {% endif %}
  {% if template_does_not_exist %}
  <div id="template-not-exist">
      <h2>Template-loader postmortem</h2>
      {% if loader_debug_info %}
          <p>Django tried loading these templates, in this order:</p>
          <ul>
          {% for loader in loader_debug_info %}
              <li>Using loader <code>{{ loader.loader }}</code>:
                  <ul>{% for t in loader.templates %}<li><code>{{ t.name }}</code> (File {% if t.exists %}exists{% else %}does not exist{% endif %})</li>{% endfor %}</ul>
              </li>
          {% endfor %}
          </ul>
      {% else %}
          <p>Django couldn't find any templates because your <code>TEMPLATE_LOADERS</code> setting is empty!</p>
      {% endif %}
  </div>
  {% endif %}
  {% if template_info %}
  <div id="template">
     <h2>Template error</h2>
     <p>In template <code>{{ template_info.name }}</code>, error at line <strong>{{ template_info.line }}</strong></p>
     <h3>{{ template_info.message }}</h3>
     <table class="source{% if template_info.top %} cut-top{% endif %}{% ifnotequal template_info.bottom template_info.total %} cut-bottom{% endifnotequal %}">
     {% for source_line in template_info.source_lines %}
     {% ifequal source_line.0 template_info.line %}
         <tr class="error"><th>{{ source_line.0 }}</th>
         <td>{{ template_info.before }}<span class="specific">{{ template_info.during }}</span>{{ template_info.after }}</td></tr>
     {% else %}
        <tr><th>{{ source_line.0 }}</th>
        <td>{{ source_line.1 }}</td></tr>
     {% endifequal %}
     {% endfor %}
     </table>
  </div>
  {% endif %}
  {% if frames %}
  <div id="traceback">
    <h2>Traceback <span class="commands">{% if not is_email %}<a href="#" onclick="return switchPastebinFriendly(this);">Switch to copy-and-paste view</a></span>{% endif %}</h2>
    {% autoescape off %}
    <div id="browserTraceback">
      <ul class="traceback">
        {% for frame in frames %}
          <li class="frame">
            <code>{{ frame.filename|escape }}</code> in <code>{{ frame.function|escape }}</code>
  
            {% if frame.context_line %}
              <div class="context" id="c{{ frame.id }}">
                {% if frame.pre_context and not is_email %}
                  <ol start="{{ frame.pre_context_lineno }}" class="pre-context" id="pre{{ frame.id }}">{% for line in frame.pre_context %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')"><pre>{{ line|escape }}</pre></li>{% endfor %}</ol>
                {% endif %}
                <ol start="{{ frame.lineno }}" class="context-line"><li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')"><pre>{{ frame.context_line|escape }}</pre>{% if not is_email %} <span>...</span>{% endif %}</li></ol>
                {% if frame.post_context and not is_email  %}
                  <ol start='{{ frame.lineno|add:"1" }}' class="post-context" id="post{{ frame.id }}">{% for line in frame.post_context %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')"><pre>{{ line|escape }}</pre></li>{% endfor %}</ol>
                {% endif %}
              </div>
            {% endif %}
  
            {% if frame.vars %}
              <div class="commands">
                  {% if is_email %}
                      <h2>Local Vars</h2>
                  {% else %}
                      <a href="#" onclick="return varToggle(this, '{{ frame.id }}')"><span>&#x25b6;</span> Local vars</a>
                  {% endif %}
              </div>
              <table class="vars" id="v{{ frame.id }}">
                <thead>
                  <tr>
                    <th>Variable</th>
                    <th>Value</th>
                  </tr>
                </thead>
                <tbody>
                  {% for var in frame.vars|dictsort:"0" %}
                    <tr>
                      <td>{{ var.0|force_escape }}</td>
                      <td class="code"><pre>{{ var.1 }}</pre></td>
                    </tr>
                  {% endfor %}
                </tbody>
              </table>
            {% endif %}
          </li>
        {% endfor %}
      </ul>
    </div>
    {% endautoescape %}
    <form action="http://dpaste.com/" name="pasteform" id="pasteform" method="post">
  {% if not is_email %}
    <div id="pastebinTraceback" class="pastebin">
      <input type="hidden" name="language" value="PythonConsole">
      <input type="hidden" name="title" value="{{ exception_type|escape }}{% if request %} at {{ request.path_info|escape }}{% endif %}">
      <input type="hidden" name="source" value="Django Dpaste Agent">
      <input type="hidden" name="poster" value="Django">
      <textarea name="content" id="traceback_area" cols="140" rows="25">
  Environment:
  
  {% if request %}
  Request Method: {{ request.META.REQUEST_METHOD }}
  Request URL: {{ request.build_absolute_uri|escape }}
  {% endif %}
  Django Version: {{ django_version_info }}
  Python Version: {{ sys_version_info }}
  Installed Applications:
  {{ settings.INSTALLED_APPS|pprint }}
  Installed Middleware:
  {{ settings.MIDDLEWARE_CLASSES|pprint }}
  
  {% if template_does_not_exist %}Template Loader Error:
  {% if loader_debug_info %}Django tried loading these templates, in this order:
  {% for loader in loader_debug_info %}Using loader {{ loader.loader }}:
  {% for t in loader.templates %}{{ t.name }} (File {% if t.exists %}exists{% else %}does not exist{% endif %})
  {% endfor %}{% endfor %}
  {% else %}Django couldn't find any templates because your TEMPLATE_LOADERS setting is empty!
  {% endif %}
  {% endif %}{% if template_info %}
  Template error:
  In template {{ template_info.name }}, error at line {{ template_info.line }}
     {{ template_info.message }}{% for source_line in template_info.source_lines %}{% ifequal source_line.0 template_info.line %}
     {{ source_line.0 }} : {{ template_info.before }} {{ template_info.during }} {{ template_info.after }}
  {% else %}
     {{ source_line.0 }} : {{ source_line.1 }}
  {% endifequal %}{% endfor %}{% endif %}
  Traceback:
  {% for frame in frames %}File "{{ frame.filename|escape }}" in {{ frame.function|escape }}
  {% if frame.context_line %}  {{ frame.lineno }}. {{ frame.context_line|escape }}{% endif %}
  {% endfor %}
  Exception Type: {{ exception_type|escape }}{% if request %} at {{ request.path_info|escape }}{% endif %}
  Exception Value: {{ exception_value|force_escape }}
  </textarea>
    <br><br>
    <input type="submit" value="Share this traceback on a public Web site">
    </div>
  </form>
  </div>
  {% endif %}
  {% endif %}
  
  <div id="requestinfo">
    <h2>Request information</h2>
  
  {% if request %}
    <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"><pre>{{ var.1|pprint }}</pre></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"><pre>{{ var.1|pprint }}</pre></td>
            </tr>
          {% endfor %}
        </tbody>
      </table>
    {% else %}
      <p>No POST data</p>
    {% endif %}
    <h3 id="files-info">FILES</h3>
    {% if request.FILES %}
      <table class="req">
          <thead>
              <tr>
                  <th>Variable</th>
                  <th>Value</th>
              </tr>
          </thead>
          <tbody>
              {% for var in request.FILES.items %}
                  <tr>
                      <td>{{ var.0 }}</td>
                      <td class="code"><pre>{{ var.1|pprint }}</pre></td>
                  </tr>
              {% endfor %}
          </tbody>
      </table>
    {% else %}
      <p>No FILES 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"><pre>{{ var.1|pprint }}</pre></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"><pre>{{ var.1|pprint }}</pre></td>
          </tr>
        {% endfor %}
      </tbody>
    </table>
  {% else %}
    <p>Request data not supplied</p>
  {% endif %}
  
    <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"><pre>{{ var.1|pprint }}</pre></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_info|escape }}</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.build_absolute_uri|escape }}</td>
        </tr>
      </table>
    </div>
    <div id="info">
      {% if urlpatterns %}
        <p>
        Using the URLconf defined in <code>{{ urlconf }}</code>,
        Django tried these URL patterns, in this order:
        </p>
        <ol>
          {% for pattern in urlpatterns %}
            <li>
              {% for pat in pattern %}
                  {{ pat.regex.pattern }}
                  {% if forloop.last and pat.name %}[name='{{ pat.name }}']{% endif %}
              {% endfor %}
            </li>
          {% endfor %}
        </ol>
        <p>The current URL, <code>{{ request_path|escape }}</code>, didn't match any of these.</p>
      {% else %}
        <p>{{ reason }}</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>
  """
  
  EMPTY_URLCONF_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">
    <meta name="robots" content="NONE,NOARCHIVE"><title>Welcome to Django</title>
    <style type="text/css">
      html * { padding:0; margin:0; }
      body * { padding:10px 20px; }
      body * * { padding:0; }
      body { font:small sans-serif; }
      body>div { border-bottom:1px solid #ddd; }
      h1 { font-weight:normal; }
      h2 { margin-bottom:.8em; }
      h2 span { font-size:80%; color:#666; font-weight:normal; }
      h3 { margin:1em 0 .5em 0; }
      h4 { margin:0 0 .5em 0; font-weight: normal; }
      table { border:1px solid #ccc; border-collapse: collapse; width:100%; background:white; }
      tbody td, tbody th { vertical-align:top; padding:2px 3px; }
      thead th { padding:1px 6px 1px 3px; background:#fefefe; text-align:left; font-weight:normal; font-size:11px; border:1px solid #ddd; }
      tbody th { width:12em; text-align:right; color:#666; padding-right:.5em; }
      ul { margin-left: 2em; margin-top: 1em; }
      #summary { background: #e0ebff; }
      #summary h2 { font-weight: normal; color: #666; }
      #explanation { background:#eee; }
      #instructions { background:#f6f6f6; }
      #summary table { border:none; background:transparent; }
    </style>
  </head>
  
  <body>
  <div id="summary">
    <h1>It worked!</h1>
    <h2>Congratulations on your first Django-powered page.</h2>
  </div>
  
  <div id="instructions">
    <p>Of course, you haven't actually done any work yet. Here's what to do next:</p>
    <ul>
      <li>If you plan to use a database, edit the <code>DATABASES</code> setting in <code>{{ project_name }}/settings.py</code>.</li>
      <li>Start your first app by running <code>python {{ project_name }}/manage.py startapp [appname]</code>.</li>
    </ul>
  </div>
  
  <div id="explanation">
    <p>
      You're seeing this message because you have <code>DEBUG = True</code> in your
      Django settings file and you haven't configured any URLs. Get to work!
    </p>
  </div>
  </body></html>
  """
  