Add missing imports and models to the examples in the view layer documentation

docs/ref/template-response.txt

@@ -215,6 +215,7 @@ re-rendered, you can re-evaluate the rendered content, and assign
 the content of the response manually::
 
     # Set up a rendered TemplateResponse
+    >>> from django.template.response import TemplateResponse
     >>> t = TemplateResponse(request, 'original.html', {})
     >>> t.render()
     >>> print(t.content)
@@ -256,6 +257,8 @@ To define a post-render callback, just define a function that takes
 a single argument -- response -- and register that function with
 the template response::
 
+    from django.template.response import TemplateResponse
+
     def my_render_callback(response):
         # Do content-sensitive processing
         do_post_processing()

docs/topics/class-based-views/generic-display.txt

@@ -248,7 +248,7 @@ specify the objects that the view will operate upon -- you can also
 specify the list of objects using the ``queryset`` argument::
 
     from django.views.generic import DetailView
-    from books.models import Publisher, Book
+    from books.models import Publisher
 
     class PublisherDetail(DetailView):
 
@@ -326,6 +326,7 @@ various useful things are stored on ``self``; as well as the request
 Here, we have a URLconf with a single captured group::
 
     # urls.py
+    from django.conf.urls import patterns
     from books.views import PublisherBookList
 
     urlpatterns = patterns('',
@@ -375,6 +376,7 @@ Imagine we had a ``last_accessed`` field on our ``Author`` object that we were
 using to keep track of the last time anybody looked at that author::
 
     # models.py
+    from django.db import models
 
     class Author(models.Model):
         salutation = models.CharField(max_length=10)
@@ -390,6 +392,7 @@ updated.
 First, we'd need to add an author detail bit in the URLconf to point to a
 custom view::
 
+    from django.conf.urls import patterns, url
     from books.views import AuthorDetailView
 
     urlpatterns = patterns('',
@@ -401,7 +404,6 @@ Then we'd write our new view -- ``get_object`` is the method that retrieves the
 object -- so we simply override it and wrap the call::
 
     from django.views.generic import DetailView
-    from django.shortcuts import get_object_or_404
     from django.utils import timezone
     from books.models import Author
 

docs/topics/class-based-views/generic-editing.txt

@@ -222,6 +222,7 @@ works for AJAX requests as well as 'normal' form POSTs::
 
     from django.http import HttpResponse
     from django.views.generic.edit import CreateView
+    from myapp.models import Author
 
     class AjaxableResponseMixin(object):
         """

docs/topics/class-based-views/mixins.txt

@@ -258,6 +258,7 @@ mixin.
 We can hook this into our URLs easily enough::
 
     # urls.py
+    from django.conf.urls import patterns, url
     from books.views import RecordInterest
 
     urlpatterns = patterns('',
@@ -440,6 +441,7 @@ Our new ``AuthorDetail`` looks like this::
     from django.core.urlresolvers import reverse
     from django.views.generic import DetailView
     from django.views.generic.edit import FormMixin
+    from books.models import Author
 
     class AuthorInterestForm(forms.Form):
         message = forms.CharField()
@@ -546,6 +548,8 @@ template as ``AuthorDisplay`` is using on ``GET``.
 
 .. code-block:: python
 
+    from django.core.urlresolvers import reverse
+    from django.http import HttpResponseForbidden
     from django.views.generic import FormView
     from django.views.generic.detail import SingleObjectMixin
 
@@ -657,6 +661,8 @@ own version of :class:`~django.views.generic.detail.DetailView` by mixing
 :class:`~django.views.generic.detail.DetailView` before template
 rendering behavior has been mixed in)::
 
+    from django.views.generic.detail import BaseDetailView
+
     class JSONDetailView(JSONResponseMixin, BaseDetailView):
         pass
 
@@ -675,6 +681,8 @@ and override the implementation of
 to defer to the appropriate subclass depending on the type of response that the
 user requested::
 
+    from django.views.generic.detail import SingleObjectTemplateResponseMixin
+
     class HybridDetailView(JSONResponseMixin, SingleObjectTemplateResponseMixin, BaseDetailView):
         def render_to_response(self, context):
             # Look for a 'format=json' GET argument

docs/topics/files.txt

@@ -27,6 +27,8 @@ to deal with that file.
 Consider the following model, using an :class:`~django.db.models.ImageField` to
 store a photo::
 
+    from django.db import models
+
     class Car(models.Model):
         name = models.CharField(max_length=255)
         price = models.DecimalField(max_digits=5, decimal_places=2)

docs/topics/http/file-uploads.txt

@@ -15,6 +15,7 @@ Basic file uploads
 
 Consider a simple form containing a :class:`~django.forms.FileField`::
 
+    # In forms.py...
     from django import forms
 
     class UploadFileForm(forms.Form):
@@ -39,6 +40,7 @@ something like::
 
     from django.http import HttpResponseRedirect
     from django.shortcuts import render_to_response
+    from .forms import UploadFileForm
 
     # Imaginary function to handle an uploaded file.
     from somewhere import handle_uploaded_file

docs/topics/http/urls.txt

@@ -123,6 +123,8 @@ is ``(?P<name>pattern)``, where ``name`` is the name of the group and
 
 Here's the above example URLconf, rewritten to use named groups::
 
+    from django.conf.urls import patterns, url
+
     urlpatterns = patterns('',
         url(r'^articles/2003/$', 'news.views.special_case_2003'),
         url(r'^articles/(?P<year>\d{4})/$', 'news.views.year_archive'),
@@ -192,6 +194,8 @@ A convenient trick is to specify default parameters for your views' arguments.
 Here's an example URLconf and view::
 
     # URLconf
+    from django.conf.urls import patterns, url
+
     urlpatterns = patterns('',
         url(r'^blog/$', 'blog.views.page'),
         url(r'^blog/page(?P<num>\d+)/$', 'blog.views.page'),
@@ -370,11 +374,15 @@ An included URLconf receives any captured parameters from parent URLconfs, so
 the following example is valid::
 
     # In settings/urls/main.py
+    from django.conf.urls import include, patterns, url
+
     urlpatterns = patterns('',
         url(r'^(?P<username>\w+)/blog/', include('foo.urls.blog')),
     )
 
     # In foo/urls/blog.py
+    from django.conf.urls import patterns, url
+
     urlpatterns = patterns('foo.views',
         url(r'^$', 'blog.index'),
         url(r'^archive/$', 'blog.archive'),
@@ -397,6 +405,8 @@ function.
 
 For example::
 
+    from django.conf.urls import patterns, url
+
     urlpatterns = patterns('blog.views',
         url(r'^blog/(?P<year>\d{4})/$', 'year_archive', {'foo': 'bar'}),
     )
@@ -427,11 +437,15 @@ For example, these two URLconf sets are functionally identical:
 Set one::
 
     # main.py
+    from django.conf.urls import include, patterns, url
+
     urlpatterns = patterns('',
         url(r'^blog/', include('inner'), {'blogid': 3}),
     )
 
     # inner.py
+    from django.conf.urls import patterns, url
+
     urlpatterns = patterns('',
         url(r'^archive/$', 'mysite.views.archive'),
         url(r'^about/$', 'mysite.views.about'),
@@ -440,11 +454,15 @@ Set one::
 Set two::
 
     # main.py
+    from django.conf.urls import include, patterns, url
+
     urlpatterns = patterns('',
         url(r'^blog/', include('inner')),
     )
 
     # inner.py
+    from django.conf.urls import patterns, url
+
     urlpatterns = patterns('',
         url(r'^archive/$', 'mysite.views.archive', {'blogid': 3}),
         url(r'^about/$', 'mysite.views.about', {'blogid': 3}),
@@ -464,6 +482,8 @@ supported -- you can pass any callable object as the view.
 
 For example, given this URLconf in "string" notation::
 
+    from django.conf.urls import patterns, url
+
     urlpatterns = patterns('',
         url(r'^archive/$', 'mysite.views.archive'),
         url(r'^about/$', 'mysite.views.about'),
@@ -473,6 +493,7 @@ For example, given this URLconf in "string" notation::
 You can accomplish the same thing by passing objects rather than strings. Just
 be sure to import the objects::
 
+    from django.conf.urls import patterns, url
     from mysite.views import archive, about, contact
 
     urlpatterns = patterns('',
@@ -485,6 +506,7 @@ The following example is functionally identical. It's just a bit more compact
 because it imports the module that contains the views, rather than importing
 each view individually::
 
+    from django.conf.urls import patterns, url
     from mysite import views
 
     urlpatterns = patterns('',
@@ -501,6 +523,7 @@ the view prefix (as explained in "The view prefix" above) will have no effect.
 Note that :doc:`class based views</topics/class-based-views/index>` must be
 imported::
 
+    from django.conf.urls import patterns, url
     from mysite.views import ClassBasedView
 
     urlpatterns = patterns('',
@@ -612,6 +635,9 @@ It's fairly common to use the same view function in multiple URL patterns in
 your URLconf. For example, these two URL patterns both point to the ``archive``
 view::
 
+    from django.conf.urls import patterns, url
+    from mysite.views import archive
+
     urlpatterns = patterns('',
         url(r'^archive/(\d{4})/$', archive),
         url(r'^archive-summary/(\d{4})/$', archive, {'summary': True}),
@@ -630,6 +656,9 @@ matching.
 
 Here's the above example, rewritten to use named URL patterns::
 
+    from django.conf.urls import patterns, url
+    from mysite.views import archive
+
     urlpatterns = patterns('',
         url(r'^archive/(\d{4})/$', archive, name="full-archive"),
         url(r'^archive-summary/(\d{4})/$', archive, {'summary': True}, name="arch-summary"),
@@ -803,6 +832,8 @@ However, you can also ``include()`` a 3-tuple containing::
 
 For example::
 
+    from django.conf.urls import include, patterns, url
+
     help_patterns = patterns('',
         url(r'^basic/$', 'apps.help.views.views.basic'),
         url(r'^advanced/$', 'apps.help.views.views.advanced'),

docs/topics/http/views.txt

@@ -70,6 +70,8 @@ documentation.  Just return an instance of one of those subclasses instead of
 a normal :class:`~django.http.HttpResponse` in order to signify an error. For
 example::
 
+    from django.http import HttpResponse, HttpResponseNotFound
+
     def my_view(request):
         # ...
         if foo:
@@ -83,6 +85,8 @@ the :class:`~django.http.HttpResponse` documentation, you can also pass the
 HTTP status code into the constructor for :class:`~django.http.HttpResponse`
 to create a return class for any status code you like. For example::
 
+    from django.http import HttpResponse
+
     def my_view(request):
         # ...
 
@@ -110,6 +114,8 @@ standard error page for your application, along with an HTTP error code 404.
 Example usage::
 
     from django.http import Http404
+    from django.shortcuts import render_to_response
+    from polls.models import Poll
 
     def detail(request, poll_id):
         try: