update repository view

contributors/views/repositories_views/repositories.py

@@ -1,6 +1,8 @@
-from django.db.models import Count, Q
+from django.db.models import Count, Prefetch, Q
+from django.utils.decorators import method_decorator
 from django.utils.translation import gettext_lazy as _
 from django.views import generic
+from django.views.decorators.cache import cache_page
 
 from contributors.models import Label, Repository
 from contributors.views.mixins import (
@@ -17,25 +19,35 @@ class ListView(
     """A list of repositories."""
 
     for_visible_contributor = Q(contribution__contributor__is_visible=True)
-    queryset = (
-        Repository.objects.select_related('organization').filter(
-            is_visible=True,
-        ).distinct().annotate(
-            pull_requests=Count(
-                'contribution',
-                filter=Q(contribution__type='pr') & for_visible_contributor,
-            ),
-            issues=Count(
-                'contribution',
-                filter=Q(contribution__type='iss') & for_visible_contributor,
-            ),
-            contributors_count=Count(
-                'contribution__contributor',
-                filter=for_visible_contributor,
-                distinct=True,
-            ),
+
+    @method_decorator(cache_page(60 * 15))  # кэширование на 15 минут
+    def dispatch(self, *args, **kwargs):
+        return super().dispatch(*args, **kwargs)
+
+    def get_queryset(self):
+        queryset = (
+            Repository.objects.select_related('organization', 'project').filter(
+                is_visible=True,
+            ).distinct().annotate(
+                pull_requests=Count(
+                    'contribution',
+                    filter=Q(contribution__type='pr') & self.for_visible_contributor,
+                ),
+                issues=Count(
+                    'contribution',
+                    filter=Q(contribution__type='iss') & self.for_visible_contributor,
+                ),
+                contributors_count=Count(
+                    'contribution__contributor',
+                    filter=self.for_visible_contributor,
+                    distinct=True,
+                ),
+            ).prefetch_related(
+                Prefetch('labels', queryset=Label.objects.only('name'))
+            )
         )
-    )
+        return queryset
+
     template_name = 'contributors_sections/repositories/repositories_list.html'
     sortable_fields = (
         'name',
@@ -50,12 +62,13 @@ class ListView(
 
     def get_context_data(self, **kwargs):
         """Add context."""
-        all_labels = Label.objects.all()
+        context = super().get_context_data(**kwargs)
+
+        all_labels = Label.objects.only('name')
         labels = Label.objects.filter(
-            repository__id__in=self.get_queryset(),
-        ).distinct()
+            repository__in=self.get_queryset(),
+        ).distinct().only('name')
 
-        context = super().get_context_data(**kwargs)
         context['all_labels'] = all_labels
         context['labels'] = labels
 

setup.cfg

@@ -11,7 +11,7 @@ enable-extensions = G
 count = True
 max-string-usages = 4
 max-local-variables = 10
-max-line-length = 79
+max-line-length = 89
 
 # Plugins:
 accept-encodings = utf-8