[algorithms][views] Moved from render_to_response to render

render_to_response is deprecated in Django 2.0 and render has
been available since 1.3. It's shorter to write and avoids the
writing of context_instance=RequestContext(request) in each of
its call.

beat/web/algorithms/views.py

@@ -27,8 +27,7 @@
 
 from django.http import Http404, HttpResponseForbidden
 from django.shortcuts import get_object_or_404
-from django.shortcuts import render_to_response
-from django.template import RequestContext
+from django.shortcuts import render
 from django.contrib.auth.decorators import login_required
 from django.conf import settings
 from django.contrib.auth.models import User
@@ -95,9 +94,7 @@ def create(request, name=None):
         declaration['language'] = 'python'
         parameters['declaration'] = json.dumps(declaration)
 
-    return render_to_response('algorithms/edition.html',
-                              parameters,
-                              context_instance=RequestContext(request))
+    return render(request, 'algorithms/edition.html', parameters)
 
 
 #----------------------------------------------------------
@@ -144,9 +141,7 @@ def fork(request, author, name, version):
     if not fork_of.is_binary():
         parameters['source_code'] = fork_of.source_code_file.read()
 
-    return render_to_response('algorithms/edition.html',
-                              parameters,
-                              context_instance=RequestContext(request))
+    return render(request, 'algorithms/edition.html', parameters)
 
 
 #----------------------------------------------------------
@@ -193,9 +188,7 @@ def edit(request, author, name, version):
     if not algorithm.is_binary():
         parameters['source_code'] = algorithm.source_code_file.read()
 
-    return render_to_response('algorithms/edition.html',
-                              parameters,
-                              context_instance=RequestContext(request))
+    return render(request, 'algorithms/edition.html', parameters)
 
 
 #----------------------------------------------------------
@@ -232,14 +225,14 @@ def view(request, author, name, version=None):
     users = User.objects.exclude(username__in=settings.ACCOUNTS_TO_EXCLUDE_FROM_TEAMS).order_by('username')
 
     # Render the page
-    return render_to_response('algorithms/view.html',
-                              {
-                                  'algorithm': algorithm,
-                                  'owner': owner,
-                                  'users': users,
-                                  'teams': Team.objects.for_user(request.user, True)
-                              },
-                              context_instance=RequestContext(request))
+    return render(request,
+                  'algorithms/view.html',
+                  {
+                      'algorithm': algorithm,
+                      'owner': owner,
+                      'users': users,
+                      'teams': Team.objects.for_user(request.user, True)
+                  })
 
 
 #----------------------------------------------------------
@@ -250,15 +243,15 @@ def diff(request, author1, name1, version1, author2, name2, version2):
     retrieve the details about the algorithms and check the accessibility.
     """
 
-    return render_to_response('algorithms/diff.html',
-                              {'algorithm1_author':  author1,
-                               'algorithm1_name':    name1,
-                               'algorithm1_version': version1,
-                               'algorithm2_author':  author2,
-                               'algorithm2_name':    name2,
-                               'algorithm2_version': version2,
-                              },
-                              context_instance=RequestContext(request))
+    return render(request,
+                  'algorithms/diff.html',
+                  {'algorithm1_author':  author1,
+                   'algorithm1_name':    name1,
+                   'algorithm1_version': version1,
+                   'algorithm2_author':  author2,
+                   'algorithm2_name':    name2,
+                   'algorithm2_version': version2,
+                  })
 
 
 #----------------------------------------------------------
@@ -277,14 +270,13 @@ def ls(request, author_name):
                                                        author_name).order_by('-creation_date')
     objects = Algorithm.filter_latest_versions(objects)
 
-    return render_to_response('algorithms/list.html',
-                              dict(
-                                  objects=objects,
-                                  author=author,
-                                  owner=(request.user==author),
-                              ),
-                              context_instance=RequestContext(request),
-    )
+    return render(request,
+                  'algorithms/list.html',
+                  dict(
+                      objects=objects,
+                      author=author,
+                      owner=(request.user == author)
+                  ))
 
 
 #----------------------------------------------------------
@@ -297,11 +289,10 @@ def public_ls(request):
     objects = Algorithm.objects.public().order_by('-creation_date')
     objects = Algorithm.filter_latest_versions(objects)
 
-    return render_to_response('algorithms/list.html',
-                              dict(
-                                  objects=objects,
-                                  author=request.user, #anonymous
-                                  owner=False,
-                              ),
-                              context_instance=RequestContext(request),
-    )
+    return render(request,
+                  'algorithms/list.html',
+                  dict(
+                      objects=objects,
+                      author=request.user, # anonymous
+                      owner=False
+                  ))