base: group binary packages by repo

since it's not obvious which package name prefix belongs
to which repo/env

app/templates/base.html

@@ -112,14 +112,21 @@
       <dt class="col-sm-3 text-sm-end"></dt>
       <dd class="col-sm-9"><hr></dd>
 
-      <dt class="col-sm-3 text-sm-end">Binary Packages:</dt>
+      <dt class="col-sm-3 text-sm-end mb-2">Binary Packages:</dt>
       <dd class="col-sm-9">
-        <ul class="list-unstyled">
-          {% for k, p in s.packages|dictsort(false) %}
+        <dl class="row">
+        {% for repo, packages in s.packages|group_by_repo|dictsort(false) %}
+          <dt>{{ repo }}</dt>
+          <dd>
+            <ul class="list-unstyled mb-0">
+            {% for p in packages %}
               <li><a href="{{ package_url(p) }}">{{ p.name }}</a></li>
             {% endfor %}
             </ul>
           </dd>
+        {% endfor %}
+        </dl>
+      </dd>
     </dl>
   </div>
 </div>

app/web.py

@@ -21,7 +21,7 @@ from fastapi_etag import Etag
 from fastapi.staticfiles import StaticFiles
 from fastapi_etag import add_exception_handler as add_etag_exception_handler
 
-from .appstate import state, get_repositories, Package, Source, DepType, SrcInfoPackage, get_base_group_name, Vulnerability, Severity
+from .appstate import state, get_repositories, Package, Source, DepType, SrcInfoPackage, get_base_group_name, Vulnerability, Severity, PackageKey
 from .appconfig import DEFAULT_REPO
 from .utils import extract_upstream_version, version_is_newer_than
 
@@ -197,6 +197,14 @@ def filter_filesize(d: int) -> str:
         return "%.2f MB" % (d / (1024 ** 2))
 
 
+@template_filter("group_by_repo")
+def group_by_repo(packages: dict[PackageKey, Package]) -> dict[str, list[Package]]:
+    res: dict[str, list[Package]] = {}
+    for _, p in sorted(packages.items()):
+        res.setdefault(p.repo, []).append(p)
+    return res
+
+
 @router.get('/robots.txt')
 async def robots() -> Response:
     data = """\