Redirect downloads/latest/python3.x for given 3.x (#2816)

Author: hugovk

downloads/managers.py

@@ -29,8 +29,11 @@ def pymanager(self):
     def latest_python2(self):
         return self.python2().filter(is_latest=True)
 
-    def latest_python3(self):
-        return self.python3().filter(is_latest=True)
+    def latest_python3(self, minor_version: int | None = None):
+        if minor_version is None:
+            return self.python3().filter(is_latest=True)
+        pattern = rf"^Python 3\.{minor_version}\."
+        return self.python3().filter(name__regex=pattern).order_by("-release_date")
 
     def latest_pymanager(self):
         return self.pymanager().filter(is_latest=True)
@@ -44,22 +47,10 @@ def released(self):
 
 class ReleaseManager(Manager.from_queryset(ReleaseQuerySet)):
     def latest_python2(self):
-        qs = self.get_queryset().latest_python2()
-        if qs:
-            return qs[0]
-        else:
-            return None
-
-    def latest_python3(self):
-        qs = self.get_queryset().latest_python3()
-        if qs:
-            return qs[0]
-        else:
-            return None
+        return self.get_queryset().latest_python2().first()
+
+    def latest_python3(self, minor_version: int | None = None):
+        return self.get_queryset().latest_python3(minor_version).first()
 
     def latest_pymanager(self):
-        qs = self.get_queryset().latest_pymanager()
-        if qs:
-            return qs[0]
-        else:
-            return None
+        return self.get_queryset().latest_pymanager().first()

downloads/models.py

@@ -292,6 +292,12 @@ def purge_fastly_download_pages(sender, instance, **kwargs):
         purge_url('/downloads/feed.rss')
         purge_url('/downloads/latest/python2/')
         purge_url('/downloads/latest/python3/')
+        # Purge minor version specific URLs (like /downloads/latest/python3.14/)
+        version = instance.get_version()
+        if instance.version == Release.PYTHON3 and version:
+            match = re.match(r'^3\.(\d+)', version)
+            if match:
+                purge_url(f'/downloads/latest/python3.{match.group(1)}/')
         purge_url('/downloads/latest/pymanager/')
         purge_url('/downloads/macos/')
         purge_url('/downloads/source/')

downloads/urls.py

@@ -5,6 +5,7 @@
 urlpatterns = [
     re_path(r'latest/python2/?$', views.DownloadLatestPython2.as_view(), name='download_latest_python2'),
     re_path(r'latest/python3/?$', views.DownloadLatestPython3.as_view(), name='download_latest_python3'),
+    re_path(r'latest/python3\.(?P<minor>\d+)/?$', views.DownloadLatestPython3x.as_view(), name='download_latest_python3x'),
     re_path(r'latest/pymanager/?$', views.DownloadLatestPyManager.as_view(), name='download_latest_pymanager'),
     re_path(r'latest/?$', views.DownloadLatestPython3.as_view(), name='download_latest_python3'),
     path('operating-systems/', views.DownloadFullOSList.as_view(), name='download_full_os_list'),

downloads/views.py

@@ -45,6 +45,27 @@ def get_redirect_url(self, **kwargs):
             return reverse('download')
 
 
+class DownloadLatestPython3x(RedirectView):
+    """ Redirect to latest Python 3.x release for a specific minor version """
+    permanent = False
+
+    def get_redirect_url(self, **kwargs):
+        minor_version = kwargs.get('minor')
+        if not minor_version:
+            return reverse('downloads:download')
+
+        try:
+            minor_version_int = int(minor_version)
+            latest_release = Release.objects.latest_python3(minor_version_int)
+        except (ValueError, Release.DoesNotExist):
+            latest_release = None
+
+        if latest_release:
+            return latest_release.get_absolute_url()
+        else:
+            return reverse('downloads:download')
+
+
 class DownloadLatestPyManager(RedirectView):
     """ Redirect to latest Python install manager release """
     permanent = False

static/sass/_layout.scss

@@ -449,6 +449,7 @@
 
     .release-version,
     .release-status,
+    .release-dl,
     .release-start,
     .release-end,
     .release-pep {
@@ -458,10 +459,11 @@
         vertical-align: middle;
     }
 
-    .release-version { width: 15%; }
+    .release-version { width: 10%; }
     .release-status { width: 20%; }
-    .release-start { width: 25%; }
-    .release-end { width: 25%; }
+    .release-dl { width: 15%; }
+    .release-start { width: 20%; }
+    .release-end { width: 20%; }
     .release-pep { width: 15%; }
 
     /* Previous Next pattern */

static/sass/mq.css

@@ -1505,6 +1505,7 @@ html[xmlns] .slides { display: block; }
 
   .release-version,
   .release-status,
+  .release-dl,
   .release-start,
   .release-end,
   .release-pep {
@@ -1514,16 +1515,19 @@ html[xmlns] .slides { display: block; }
     vertical-align: middle; }
 
   .release-version {
-    width: 15%; }
+    width: 10%; }
 
   .release-status {
     width: 20%; }
 
+  .release-dl {
+    width: 15%; }
+
   .release-start {
-    width: 25%; }
+    width: 20%; }
 
   .release-end {
-    width: 25%; }
+    width: 20%; }
 
   .release-pep {
     width: 15%; }

static/sass/no-mq.css

@@ -1219,6 +1219,7 @@ a.button {
 
 .release-version,
 .release-status,
+.release-dl,
 .release-start,
 .release-end,
 .release-pep {
@@ -1228,16 +1229,19 @@ a.button {
   vertical-align: middle; }
 
 .release-version {
-  width: 15%; }
+  width: 10%; }
 
 .release-status {
   width: 20%; }
 
+.release-dl {
+  width: 15%; }
+
 .release-start {
-  width: 25%; }
+  width: 20%; }
 
 .release-end {
-  width: 25%; }
+  width: 20%; }
 
 .release-pep {
   width: 15%; }