Updated admindocs to use class-based views

Thanks Bouke Haarsma for the review.

4 files changed, 268 insertions, 270 deletions

diff --git a/django/contrib/admindocs/templates/admin_doc/index.html b/django/contrib/admindocs/templates/admin_doc/index.html
index 2af43d78c8..aa86a4b549 100644
--- a/django/contrib/admindocs/templates/admin_doc/index.html
+++ b/django/contrib/admindocs/templates/admin_doc/index.html
@@ -4,7 +4,7 @@
 {% block breadcrumbs %}
 <div class="breadcrumbs">
 <a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>
-&rsaquo; {% trans 'Documentation' %}</a>
+&rsaquo; {% trans 'Documentation' %}
 </div>
 {% endblock %}
 {% block title %}{% trans 'Documentation' %}{% endblock %}
diff --git a/django/contrib/admindocs/templates/admin_doc/missing_docutils.html b/django/contrib/admindocs/templates/admin_doc/missing_docutils.html
index bd790f779a..123668f732 100644
--- a/django/contrib/admindocs/templates/admin_doc/missing_docutils.html
+++ b/django/contrib/admindocs/templates/admin_doc/missing_docutils.html
@@ -4,7 +4,7 @@
 {% block breadcrumbs %}
 <div class="breadcrumbs">
 <a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>
-&rsaquo; {% trans 'Documentation' %}</a>
+&rsaquo; {% trans 'Documentation' %}
 </div>
 {% endblock %}
 {% block title %}{% trans 'Please install docutils' %}{% endblock %}
diff --git a/django/contrib/admindocs/urls.py b/django/contrib/admindocs/urls.py
index 4f50049f87..8aa4dcf946 100644
--- a/django/contrib/admindocs/urls.py
+++ b/django/contrib/admindocs/urls.py
@@ -3,39 +3,39 @@ from django.contrib.admindocs import views
 
 urlpatterns = patterns('',
     url('^$',
-        views.doc_index,
+        views.BaseAdminDocsView.as_view(template_name='admin_doc/index.html'),
         name='django-admindocs-docroot'
     ),
     url('^bookmarklets/$',
-        views.bookmarklets,
+        views.BookmarkletsView.as_view(),
         name='django-admindocs-bookmarklets'
     ),
     url('^tags/$',
-        views.template_tag_index,
+        views.TemplateTagIndexView.as_view(),
         name='django-admindocs-tags'
     ),
     url('^filters/$',
-        views.template_filter_index,
+        views.TemplateFilterIndexView.as_view(),
         name='django-admindocs-filters'
     ),
     url('^views/$',
-        views.view_index,
+        views.ViewIndexView.as_view(),
         name='django-admindocs-views-index'
     ),
     url('^views/(?P<view>[^/]+)/$',
-        views.view_detail,
+        views.ViewDetailView.as_view(),
         name='django-admindocs-views-detail'
     ),
     url('^models/$',
-        views.model_index,
+        views.ModelIndexView.as_view(),
         name='django-admindocs-models-index'
     ),
     url('^models/(?P<app_label>[^\.]+)\.(?P<model_name>[^/]+)/$',
-        views.model_detail,
+        views.ModelDetailView.as_view(),
         name='django-admindocs-models-detail'
     ),
     url('^templates/(?P<template>.*)/$',
-        views.template_detail,
+        views.TemplateDetailView.as_view(),
         name='django-admindocs-templates'
     ),
 )
diff --git a/django/contrib/admindocs/views.py b/django/contrib/admindocs/views.py
index d8f00d5df0..b4caff82c7 100644
--- a/django/contrib/admindocs/views.py
+++ b/django/contrib/admindocs/views.py
@@ -4,19 +4,19 @@ import os
 import re
 
 from django import template
-from django.template import RequestContext
 from django.conf import settings
 from django.contrib.admin.views.decorators import staff_member_required
 from django.db import models
-from django.shortcuts import render_to_response
 from django.core.exceptions import ImproperlyConfigured, ViewDoesNotExist
 from django.http import Http404
 from django.core import urlresolvers
 from django.contrib.admindocs import utils
 from django.contrib.sites.models import Site
+from django.utils.decorators import method_decorator
 from django.utils._os import upath
 from django.utils import six
 from django.utils.translation import ugettext as _
+from django.views.generic import TemplateView
 
 # Exclude methods starting with these strings from documentation
 MODEL_METHODS_EXCLUDE = ('_', 'add_', 'delete', 'save', 'set_')
@@ -27,301 +27,299 @@ class GenericSite(object):
     name = 'my site'
 
 
-@staff_member_required
-def doc_index(request):
-    if not utils.docutils_is_available:
-        return missing_docutils_page(request)
-    return render_to_response('admin_doc/index.html', {
-        'root_path': urlresolvers.reverse('admin:index'),
-    }, context_instance=RequestContext(request))
+class BaseAdminDocsView(TemplateView):
+    """
+    Base view for admindocs views.
+    """
+    @method_decorator(staff_member_required)
+    def dispatch(self, *args, **kwargs):
+        if not utils.docutils_is_available:
+            # Display an error message for people without docutils
+            self.template_name = 'admin_doc/missing_docutils.html'
+            return self.render_to_response({})
+        return super(BaseAdminDocsView, self).dispatch(*args, **kwargs)
 
+    def get_context_data(self, **kwargs):
+        kwargs.update({'root_path': urlresolvers.reverse('admin:index')})
+        return super(BaseAdminDocsView, self).get_context_data(**kwargs)
 
-@staff_member_required
-def bookmarklets(request):
-    admin_root = urlresolvers.reverse('admin:index')
-    return render_to_response('admin_doc/bookmarklets.html', {
-        'root_path': admin_root,
-        'admin_url': "%s://%s%s" % (request.scheme, request.get_host(), admin_root),
-    }, context_instance=RequestContext(request))
 
+class BookmarkletsView(BaseAdminDocsView):
+    template_name = 'admin_doc/bookmarklets.html'
 
-@staff_member_required
-def template_tag_index(request):
-    if not utils.docutils_is_available:
-        return missing_docutils_page(request)
+    def get_context_data(self, **kwargs):
+        context = super(BookmarkletsView, self).get_context_data(**kwargs)
+        context.update({
+            'admin_url': "%s://%s%s" % (
+                self.request.scheme, self.request.get_host(), context['root_path'])
+        })
+        return context
 
-    load_all_installed_template_libraries()
 
-    tags = []
-    app_libs = list(six.iteritems(template.libraries))
-    builtin_libs = [(None, lib) for lib in template.builtins]
-    for module_name, library in builtin_libs + app_libs:
-        for tag_name, tag_func in library.tags.items():
-            title, body, metadata = utils.parse_docstring(tag_func.__doc__)
-            if title:
-                title = utils.parse_rst(title, 'tag', _('tag:') + tag_name)
-            if body:
-                body = utils.parse_rst(body, 'tag', _('tag:') + tag_name)
-            for key in metadata:
-                metadata[key] = utils.parse_rst(metadata[key], 'tag', _('tag:') + tag_name)
-            if library in template.builtins:
-                tag_library = ''
-            else:
-                tag_library = module_name.split('.')[-1]
-            tags.append({
-                'name': tag_name,
-                'title': title,
-                'body': body,
-                'meta': metadata,
-                'library': tag_library,
-            })
-    return render_to_response('admin_doc/template_tag_index.html', {
-        'root_path': urlresolvers.reverse('admin:index'),
-        'tags': tags
-    }, context_instance=RequestContext(request))
+class TemplateTagIndexView(BaseAdminDocsView):
+    template_name = 'admin_doc/template_tag_index.html'
 
+    def get_context_data(self, **kwargs):
+        load_all_installed_template_libraries()
 
-@staff_member_required
-def template_filter_index(request):
-    if not utils.docutils_is_available:
-        return missing_docutils_page(request)
+        tags = []
+        app_libs = list(six.iteritems(template.libraries))
+        builtin_libs = [(None, lib) for lib in template.builtins]
+        for module_name, library in builtin_libs + app_libs:
+            for tag_name, tag_func in library.tags.items():
+                title, body, metadata = utils.parse_docstring(tag_func.__doc__)
+                if title:
+                    title = utils.parse_rst(title, 'tag', _('tag:') + tag_name)
+                if body:
+                    body = utils.parse_rst(body, 'tag', _('tag:') + tag_name)
+                for key in metadata:
+                    metadata[key] = utils.parse_rst(metadata[key], 'tag', _('tag:') + tag_name)
+                if library in template.builtins:
+                    tag_library = ''
+                else:
+                    tag_library = module_name.split('.')[-1]
+                tags.append({
+                    'name': tag_name,
+                    'title': title,
+                    'body': body,
+                    'meta': metadata,
+                    'library': tag_library,
+                })
+        kwargs.update({'tags': tags})
+        return super(TemplateTagIndexView, self).get_context_data(**kwargs)
 
-    load_all_installed_template_libraries()
 
-    filters = []
-    app_libs = list(six.iteritems(template.libraries))
-    builtin_libs = [(None, lib) for lib in template.builtins]
-    for module_name, library in builtin_libs + app_libs:
-        for filter_name, filter_func in library.filters.items():
-            title, body, metadata = utils.parse_docstring(filter_func.__doc__)
-            if title:
-                title = utils.parse_rst(title, 'filter', _('filter:') + filter_name)
-            if body:
-                body = utils.parse_rst(body, 'filter', _('filter:') + filter_name)
-            for key in metadata:
-                metadata[key] = utils.parse_rst(metadata[key], 'filter', _('filter:') + filter_name)
-            if library in template.builtins:
-                tag_library = ''
-            else:
-                tag_library = module_name.split('.')[-1]
-            filters.append({
-                'name': filter_name,
-                'title': title,
-                'body': body,
-                'meta': metadata,
-                'library': tag_library,
-            })
-    return render_to_response('admin_doc/template_filter_index.html', {
-        'root_path': urlresolvers.reverse('admin:index'),
-        'filters': filters
-    }, context_instance=RequestContext(request))
+class TemplateFilterIndexView(BaseAdminDocsView):
+    template_name = 'admin_doc/template_filter_index.html'
 
+    def get_context_data(self, **kwargs):
+        load_all_installed_template_libraries()
 
-@staff_member_required
-def view_index(request):
-    if not utils.docutils_is_available:
-        return missing_docutils_page(request)
+        filters = []
+        app_libs = list(six.iteritems(template.libraries))
+        builtin_libs = [(None, lib) for lib in template.builtins]
+        for module_name, library in builtin_libs + app_libs:
+            for filter_name, filter_func in library.filters.items():
+                title, body, metadata = utils.parse_docstring(filter_func.__doc__)
+                if title:
+                    title = utils.parse_rst(title, 'filter', _('filter:') + filter_name)
+                if body:
+                    body = utils.parse_rst(body, 'filter', _('filter:') + filter_name)
+                for key in metadata:
+                    metadata[key] = utils.parse_rst(metadata[key], 'filter', _('filter:') + filter_name)
+                if library in template.builtins:
+                    tag_library = ''
+                else:
+                    tag_library = module_name.split('.')[-1]
+                filters.append({
+                    'name': filter_name,
+                    'title': title,
+                    'body': body,
+                    'meta': metadata,
+                    'library': tag_library,
+                })
+        kwargs.update({'filters': filters})
+        return super(TemplateFilterIndexView, self).get_context_data(**kwargs)
 
-    if settings.ADMIN_FOR:
-        settings_modules = [import_module(m) for m in settings.ADMIN_FOR]
-    else:
-        settings_modules = [settings]
 
-    views = []
-    for settings_mod in settings_modules:
-        urlconf = import_module(settings_mod.ROOT_URLCONF)
-        view_functions = extract_views_from_urlpatterns(urlconf.urlpatterns)
-        if Site._meta.installed:
-            site_obj = Site.objects.get(pk=settings_mod.SITE_ID)
+class ViewIndexView(BaseAdminDocsView):
+    template_name = 'admin_doc/view_index.html'
+
+    def get_context_data(self, **kwargs):
+        if settings.ADMIN_FOR:
+            settings_modules = [import_module(m) for m in settings.ADMIN_FOR]
         else:
-            site_obj = GenericSite()
-        for (func, regex) in view_functions:
-            views.append({
-                'full_name': '%s.%s' % (func.__module__, getattr(func, '__name__', func.__class__.__name__)),
-                'site_id': settings_mod.SITE_ID,
-                'site': site_obj,
-                'url': simplify_regex(regex),
-            })
-    return render_to_response('admin_doc/view_index.html', {
-        'root_path': urlresolvers.reverse('admin:index'),
-        'views': views
-    }, context_instance=RequestContext(request))
+            settings_modules = [settings]
 
+        views = []
+        for settings_mod in settings_modules:
+            urlconf = import_module(settings_mod.ROOT_URLCONF)
+            view_functions = extract_views_from_urlpatterns(urlconf.urlpatterns)
+            if Site._meta.installed:
+                site_obj = Site.objects.get(pk=settings_mod.SITE_ID)
+            else:
+                site_obj = GenericSite()
+            for (func, regex) in view_functions:
+                views.append({
+                    'full_name': '%s.%s' % (func.__module__, getattr(func, '__name__', func.__class__.__name__)),
+                    'site_id': settings_mod.SITE_ID,
+                    'site': site_obj,
+                    'url': simplify_regex(regex),
+                })
+        kwargs.update({'views': views})
+        return super(ViewIndexView, self).get_context_data(**kwargs)
 
-@staff_member_required
-def view_detail(request, view):
-    if not utils.docutils_is_available:
-        return missing_docutils_page(request)
 
-    mod, func = urlresolvers.get_mod_func(view)
-    try:
-        view_func = getattr(import_module(mod), func)
-    except (ImportError, AttributeError):
-        raise Http404
-    title, body, metadata = utils.parse_docstring(view_func.__doc__)
-    if title:
-        title = utils.parse_rst(title, 'view', _('view:') + view)
-    if body:
-        body = utils.parse_rst(body, 'view', _('view:') + view)
-    for key in metadata:
-        metadata[key] = utils.parse_rst(metadata[key], 'model', _('view:') + view)
-    return render_to_response('admin_doc/view_detail.html', {
-        'root_path': urlresolvers.reverse('admin:index'),
-        'name': view,
-        'summary': title,
-        'body': body,
-        'meta': metadata,
-    }, context_instance=RequestContext(request))
+class ViewDetailView(BaseAdminDocsView):
+    template_name = 'admin_doc/view_detail.html'
 
+    def get_context_data(self, **kwargs):
+        view = self.kwargs['view']
+        mod, func = urlresolvers.get_mod_func(view)
+        try:
+            view_func = getattr(import_module(mod), func)
+        except (ImportError, AttributeError):
+            raise Http404
+        title, body, metadata = utils.parse_docstring(view_func.__doc__)
+        if title:
+            title = utils.parse_rst(title, 'view', _('view:') + view)
+        if body:
+            body = utils.parse_rst(body, 'view', _('view:') + view)
+        for key in metadata:
+            metadata[key] = utils.parse_rst(metadata[key], 'model', _('view:') + view)
+        kwargs.update({
+            'name': view,
+            'summary': title,
+            'body': body,
+            'meta': metadata,
+        })
+        return super(ViewDetailView, self).get_context_data(**kwargs)
 
-@staff_member_required
-def model_index(request):
-    if not utils.docutils_is_available:
-        return missing_docutils_page(request)
-    m_list = [m._meta for m in models.get_models()]
-    return render_to_response('admin_doc/model_index.html', {
-        'root_path': urlresolvers.reverse('admin:index'),
-        'models': m_list
-    }, context_instance=RequestContext(request))
 
+class ModelIndexView(BaseAdminDocsView):
+    template_name = 'admin_doc/model_index.html'
 
-@staff_member_required
-def model_detail(request, app_label, model_name):
-    if not utils.docutils_is_available:
-        return missing_docutils_page(request)
+    def get_context_data(self, **kwargs):
+        m_list = [m._meta for m in models.get_models()]
+        kwargs.update({'models': m_list})
+        return super(ModelIndexView, self).get_context_data(**kwargs)
 
-    # Get the model class.
-    try:
-        app_mod = models.get_app(app_label)
-    except ImproperlyConfigured:
-        raise Http404(_("App %r not found") % app_label)
-    model = None
-    for m in models.get_models(app_mod):
-        if m._meta.model_name == model_name:
-            model = m
-            break
-    if model is None:
-        raise Http404(_("Model %(model_name)r not found in app %(app_label)r") % {'model_name': model_name, 'app_label': app_label})
 
-    opts = model._meta
+class ModelDetailView(BaseAdminDocsView):
+    template_name = 'admin_doc/model_detail.html'
 
-    # Gather fields/field descriptions.
-    fields = []
-    for field in opts.fields:
-        # ForeignKey is a special case since the field will actually be a
-        # descriptor that returns the other object
-        if isinstance(field, models.ForeignKey):
-            data_type = field.rel.to.__name__
-            app_label = field.rel.to._meta.app_label
-            verbose = utils.parse_rst(
-                (_("the related `%(app_label)s.%(data_type)s` object") % {
-                    'app_label': app_label, 'data_type': data_type,
-                }),
-                'model',
-                _('model:') + data_type,
-            )
-        else:
-            data_type = get_readable_field_data_type(field)
-            verbose = field.verbose_name
-        fields.append({
-            'name': field.name,
-            'data_type': data_type,
-            'verbose': verbose,
-            'help_text': field.help_text,
-        })
+    def get_context_data(self, **kwargs):
+        # Get the model class.
+        try:
+            app_mod = models.get_app(self.kwargs['app_label'])
+        except ImproperlyConfigured:
+            raise Http404(_("App %r not found") % self.kwargs['app_label'])
+        model = None
+        for m in models.get_models(app_mod):
+            if m._meta.model_name == self.kwargs['model_name']:
+                model = m
+                break
+        if model is None:
+            raise Http404(_("Model %(model_name)r not found in app %(app_label)r") % {
+                'model_name': self.kwargs['model_name'], 'app_label': self.kwargs['app_label']})
 
-    # Gather many-to-many fields.
-    for field in opts.many_to_many:
-        data_type = field.rel.to.__name__
-        app_label = field.rel.to._meta.app_label
-        verbose = _("related `%(app_label)s.%(object_name)s` objects") % {'app_label': app_label, 'object_name': data_type}
-        fields.append({
-            'name': "%s.all" % field.name,
-            "data_type": 'List',
-            'verbose': utils.parse_rst(_("all %s") % verbose, 'model', _('model:') + opts.model_name),
-        })
-        fields.append({
-            'name': "%s.count" % field.name,
-            'data_type': 'Integer',
-            'verbose': utils.parse_rst(_("number of %s") % verbose, 'model', _('model:') + opts.model_name),
-        })
+        opts = model._meta
 
-    # Gather model methods.
-    for func_name, func in model.__dict__.items():
-        if (inspect.isfunction(func) and len(inspect.getargspec(func)[0]) == 1):
-            try:
-                for exclude in MODEL_METHODS_EXCLUDE:
-                    if func_name.startswith(exclude):
-                        raise StopIteration
-            except StopIteration:
-                continue
-            verbose = func.__doc__
-            if verbose:
-                verbose = utils.parse_rst(utils.trim_docstring(verbose), 'model', _('model:') + opts.model_name)
+        # Gather fields/field descriptions.
+        fields = []
+        for field in opts.fields:
+            # ForeignKey is a special case since the field will actually be a
+            # descriptor that returns the other object
+            if isinstance(field, models.ForeignKey):
+                data_type = field.rel.to.__name__
+                app_label = field.rel.to._meta.app_label
+                verbose = utils.parse_rst(
+                    (_("the related `%(app_label)s.%(data_type)s` object") % {
+                        'app_label': app_label, 'data_type': data_type,
+                    }),
+                    'model',
+                    _('model:') + data_type,
+                )
+            else:
+                data_type = get_readable_field_data_type(field)
+                verbose = field.verbose_name
             fields.append({
-                'name': func_name,
-                'data_type': get_return_data_type(func_name),
+                'name': field.name,
+                'data_type': data_type,
                 'verbose': verbose,
+                'help_text': field.help_text,
             })
 
-    # Gather related objects
-    for rel in opts.get_all_related_objects() + opts.get_all_related_many_to_many_objects():
-        verbose = _("related `%(app_label)s.%(object_name)s` objects") % {'app_label': rel.opts.app_label, 'object_name': rel.opts.object_name}
-        accessor = rel.get_accessor_name()
-        fields.append({
-            'name': "%s.all" % accessor,
-            'data_type': 'List',
-            'verbose': utils.parse_rst(_("all %s") % verbose, 'model', _('model:') + opts.model_name),
-        })
-        fields.append({
-            'name': "%s.count" % accessor,
-            'data_type': 'Integer',
-            'verbose': utils.parse_rst(_("number of %s") % verbose, 'model', _('model:') + opts.model_name),
-        })
-    return render_to_response('admin_doc/model_detail.html', {
-        'root_path': urlresolvers.reverse('admin:index'),
-        'name': '%s.%s' % (opts.app_label, opts.object_name),
-        # Translators: %s is an object type name
-        'summary': _("Attributes on %s objects") % opts.object_name,
-        'description': model.__doc__,
-        'fields': fields,
-    }, context_instance=RequestContext(request))
+        # Gather many-to-many fields.
+        for field in opts.many_to_many:
+            data_type = field.rel.to.__name__
+            app_label = field.rel.to._meta.app_label
+            verbose = _("related `%(app_label)s.%(object_name)s` objects") % {'app_label': app_label, 'object_name': data_type}
+            fields.append({
+                'name': "%s.all" % field.name,
+                "data_type": 'List',
+                'verbose': utils.parse_rst(_("all %s") % verbose, 'model', _('model:') + opts.model_name),
+            })
+            fields.append({
+                'name': "%s.count" % field.name,
+                'data_type': 'Integer',
+                'verbose': utils.parse_rst(_("number of %s") % verbose, 'model', _('model:') + opts.model_name),
+            })
 
+        # Gather model methods.
+        for func_name, func in model.__dict__.items():
+            if (inspect.isfunction(func) and len(inspect.getargspec(func)[0]) == 1):
+                try:
+                    for exclude in MODEL_METHODS_EXCLUDE:
+                        if func_name.startswith(exclude):
+                            raise StopIteration
+                except StopIteration:
+                    continue
+                verbose = func.__doc__
+                if verbose:
+                    verbose = utils.parse_rst(utils.trim_docstring(verbose), 'model', _('model:') + opts.model_name)
+                fields.append({
+                    'name': func_name,
+                    'data_type': get_return_data_type(func_name),
+                    'verbose': verbose,
+                })
 
-@staff_member_required
-def template_detail(request, template):
-    templates = []
-    for site_settings_module in settings.ADMIN_FOR:
-        settings_mod = import_module(site_settings_module)
-        if Site._meta.installed:
-            site_obj = Site.objects.get(pk=settings_mod.SITE_ID)
-        else:
-            site_obj = GenericSite()
-        for dir in settings_mod.TEMPLATE_DIRS:
-            template_file = os.path.join(dir, template)
-            templates.append({
-                'file': template_file,
-                'exists': os.path.exists(template_file),
-                'contents': lambda: open(template_file).read() if os.path.exists(template_file) else '',
-                'site_id': settings_mod.SITE_ID,
-                'site': site_obj,
-                'order': list(settings_mod.TEMPLATE_DIRS).index(dir),
+        # Gather related objects
+        for rel in opts.get_all_related_objects() + opts.get_all_related_many_to_many_objects():
+            verbose = _("related `%(app_label)s.%(object_name)s` objects") % {'app_label': rel.opts.app_label, 'object_name': rel.opts.object_name}
+            accessor = rel.get_accessor_name()
+            fields.append({
+                'name': "%s.all" % accessor,
+                'data_type': 'List',
+                'verbose': utils.parse_rst(_("all %s") % verbose, 'model', _('model:') + opts.model_name),
+            })
+            fields.append({
+                'name': "%s.count" % accessor,
+                'data_type': 'Integer',
+                'verbose': utils.parse_rst(_("number of %s") % verbose, 'model', _('model:') + opts.model_name),
             })
-    return render_to_response('admin_doc/template_detail.html', {
-        'root_path': urlresolvers.reverse('admin:index'),
-        'name': template,
-        'templates': templates,
-    }, context_instance=RequestContext(request))
+        kwargs.update({
+            'name': '%s.%s' % (opts.app_label, opts.object_name),
+            # Translators: %s is an object type name
+            'summary': _("Attributes on %s objects") % opts.object_name,
+            'description': model.__doc__,
+            'fields': fields,
+        })
+        return super(ModelDetailView, self).get_context_data(**kwargs)
 
-####################
-# Helper functions #
-####################
 
+class TemplateDetailView(BaseAdminDocsView):
+    template_name = 'admin_doc/template_detail.html'
+
+    def get_context_data(self, **kwargs):
+        template = self.kwargs['template']
+        templates = []
+        for site_settings_module in settings.ADMIN_FOR:
+            settings_mod = import_module(site_settings_module)
+            if Site._meta.installed:
+                site_obj = Site.objects.get(pk=settings_mod.SITE_ID)
+            else:
+                site_obj = GenericSite()
+            for dir in settings_mod.TEMPLATE_DIRS:
+                template_file = os.path.join(dir, template)
+                templates.append({
+                    'file': template_file,
+                    'exists': os.path.exists(template_file),
+                    'contents': lambda: open(template_file).read() if os.path.exists(template_file) else '',
+                    'site_id': settings_mod.SITE_ID,
+                    'site': site_obj,
+                    'order': list(settings_mod.TEMPLATE_DIRS).index(dir),
+                })
+        kwargs.update({
+            'name': template,
+            'templates': templates,
+        })
+        return super(TemplateDetailView, self).get_context_data(**kwargs)
 
-def missing_docutils_page(request):
-    """Display an error message for people without docutils"""
-    return render_to_response('admin_doc/missing_docutils.html')
 
+####################
+# Helper functions #
+####################
 
 def load_all_installed_template_libraries():
     # Load/register all template tag libraries from installed apps.