[1.5.x] Fixed #19692 -- Completed deprecation of mimetype in favor of content_type.

Thanks Tim for the report and initial patch.

Backport of 89cb771 from master.

django/contrib/sitemaps/views.py

@@ -1,3 +1,5 @@
+import warnings
+
 from django.contrib.sites.models import get_current_site
 from django.core import urlresolvers
 from django.core.paginator import EmptyPage, PageNotAnInteger
@@ -6,8 +8,15 @@ from django.template.response import TemplateResponse
 from django.utils import six
 
 def index(request, sitemaps,
-          template_name='sitemap_index.xml', mimetype='application/xml',
-          sitemap_url_name='django.contrib.sitemaps.views.sitemap'):
+          template_name='sitemap_index.xml', content_type='application/xml',
+          sitemap_url_name='django.contrib.sitemaps.views.sitemap',
+          mimetype=None):
+
+    if mimetype:
+        warnings.warn("The mimetype keyword argument is deprecated, use "
+            "content_type instead", PendingDeprecationWarning, stacklevel=2)
+        content_type = mimetype
+
     req_protocol = 'https' if request.is_secure() else 'http'
     req_site = get_current_site(request)
 
@@ -24,10 +33,17 @@ def index(request, sitemaps,
             sites.append('%s?p=%s' % (absolute_url, page))
 
     return TemplateResponse(request, template_name, {'sitemaps': sites},
-                            content_type=mimetype)
+                            content_type=content_type)
 
 def sitemap(request, sitemaps, section=None,
-            template_name='sitemap.xml', mimetype='application/xml'):
+            template_name='sitemap.xml', content_type='application/xml',
+            mimetype=None):
+
+    if mimetype:
+        warnings.warn("The mimetype keyword argument is deprecated, use "
+            "content_type instead", PendingDeprecationWarning, stacklevel=2)
+        content_type = mimetype
+
     req_protocol = 'https' if request.is_secure() else 'http'
     req_site = get_current_site(request)
 
@@ -51,4 +67,4 @@ def sitemap(request, sitemaps, section=None,
         except PageNotAnInteger:
             raise Http404("No page '%s'" % page)
     return TemplateResponse(request, template_name, {'urlset': urls},
-                            content_type=mimetype)
+                            content_type=content_type)

django/shortcuts/__init__.py

@@ -3,6 +3,7 @@ This module collects helper functions and classes that "span" multiple levels
 of MVC. In other words, these functions/classes introduce controlled coupling
 for convenience's sake.
 """
+import warnings
 
 from django.template import loader, RequestContext
 from django.http import HttpResponse, Http404
@@ -17,7 +18,14 @@ def render_to_response(*args, **kwargs):
     Returns a HttpResponse whose content is filled with the result of calling
     django.template.loader.render_to_string() with the passed arguments.
     """
-    httpresponse_kwargs = {'content_type': kwargs.pop('mimetype', None)}
+    httpresponse_kwargs = {'content_type': kwargs.pop('content_type', None)}
+
+    mimetype = kwargs.pop('mimetype', None)
+    if mimetype:
+        warnings.warn("The mimetype keyword argument is deprecated, use "
+            "content_type instead", PendingDeprecationWarning, stacklevel=2)
+        httpresponse_kwargs['content_type'] = mimetype
+
     return HttpResponse(loader.render_to_string(*args, **kwargs), **httpresponse_kwargs)
 
 def render(request, *args, **kwargs):