Added file fields for a release's artefacts

This makes all the download links on the site more
robust to changes like the one introduced with
PEP625 which changed the casing of source and wheel
files.

Author: bmispelon

Diff for: djangoproject/templates/releases/_download_links.html

@@ -0,0 +1,9 @@
+{% load release_notes %}
+
+<a href="{% url 'download-redirect' release.version 'tarball' %}">
+  {{ release.tarball.name }}</a><br>
+{% if release.checksum %}
+  Checksums: <a href="{% url 'download-redirect' release.version 'checksum' %}">
+    {{ release.checksum.name }}</a><br>
+{% endif %}
+Release notes: {% release_notes release.version %}

Diff for: djangoproject/templates/releases/download.html

@@ -290,20 +290,12 @@ <h2>Diamond and Platinum Members</h2>
     <h2>For the impatient:</h2>
     <ul>
       <li>Latest release:
-        <a href="{% url 'download-redirect' current.version 'tarball' %}">
-          Django-{{ current.version }}.tar.gz</a><br>
-        Checksums: <a href="{% url 'download-redirect' current.version 'checksum' %}">
-          Django-{{ current.version }}.checksum.txt</a><br>
-        Release notes: {% release_notes current.version %}
+        {% include "releases/_download_links.html" with release=current %}
       </li>
 
       {% if preview %}
         <li>Preview release:
-          <a href="{% url 'download-redirect' preview.version 'tarball' %}">
-            Django-{{ preview.version }}.tar.gz</a><br>
-          Checksums: <a href="{% url 'download-redirect' preview.version 'checksum' %}">
-            Django-{{ preview.version }}.checksum.txt</a><br>
-          Release notes: {% release_notes preview.version %}
+          {% include "releases/_download_links.html" with release=preview %}
         </li>
       {% endif %}
     </ul>
@@ -315,19 +307,11 @@ <h2>Which version is better?</h2>
     <h2>Previous releases</h2>
     <ul>
       <li>Django {{ previous.version }}{% if previous.is_lts %} (LTS){% endif %}:
-        <a href="{% url 'download-redirect' previous.version 'tarball' %}">
-          Django-{{ previous.version }}.tar.gz</a><br>
-        Checksums: <a href="{% url 'download-redirect' previous.version 'checksum' %}">
-          Django-{{ previous.version }}.checksum.txt</a><br>
-        Release notes: {% release_notes previous.version %}
+        {% include "releases/_download_links.html" with release=previous %}
       </li>
       {% if lts %}
         <li>Django {{ lts.version }} (LTS):
-          <a href="{% url 'download-redirect' lts.version 'tarball' %}">
-            Django-{{ lts.version }}.tar.gz</a><br>
-          Checksums: <a href="{% url 'download-redirect' lts.version 'checksum' %}">
-            Django-{{ lts.version }}.checksum.txt</a><br>
-          Release notes: {% release_notes lts.version %}
+          {% include "releases/_download_links.html" with release=lts %}
         </li>
       {% endif %}
     </ul>
@@ -336,10 +320,8 @@ <h2>Unsupported previous releases (no longer receive security updates or bug fix
     <ul>
       {% for release in unsupported %}
         <li>Django {{ release.version }}:
-          <a href="{% url 'download-redirect' release.version 'tarball' %}">
-            Django-{{ release.version }}.tar.gz</a><br>
-          Checksums: <a href="{% url 'download-redirect' release.version 'checksum' %}">
-            Django-{{ release.version }}.checksum.txt</a></li>
+          {% include "releases/_download_links.html" with release=release %}
+        </li>
       {% endfor %}
     </ul>
 

Diff for: legacy/fixtures/redirects-downloads.json.gz

@@ -1,10 +1,30 @@
+from django import forms
 from django.contrib import admin
+from django.utils.safestring import mark_safe
 
 from .models import Release
 
+_ARTIFACT_FILE_EXTENSIONS = {"tarball": ".tar.gz", "wheel": ".whl", "checksum": ".txt"}
+
+
+class ReleaseAdminForm(forms.ModelForm):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        for fieldname, accept in _ARTIFACT_FILE_EXTENSIONS.items():
+            self.fields[fieldname].widget.attrs["accept"] = accept
+        self.fields["is_lts"].label = mark_safe(
+            '<abbr title="Long Term Support">LTS</abbr> release'
+        )
+
 
 @admin.register(Release)
 class ReleaseAdmin(admin.ModelAdmin):
+    fieldsets = [
+        (None, {"fields": ["version", "is_lts"]}),
+        ("Dates", {"fields": ["date", "eol_date"]}),
+        ("Artifacts", {"fields": ["tarball", "wheel", "checksum"]}),
+    ]
+    form = ReleaseAdminForm
     list_display = (
         "version",
         "is_lts",