Change sorting on the blog tags page

generator/process.py

@@ -281,7 +281,7 @@ def blog(base_dir: Path, output_dir: Path, jinja_env: jinja2.Environment, site_c
 
     # generate listing
     post_list = []
-    tags = []
+    tags = {}
     for slug in posts:
         post = posts[slug]
 
@@ -306,15 +306,24 @@ def blog(base_dir: Path, output_dir: Path, jinja_env: jinja2.Environment, site_c
 
         if "tags" in post:
             for tag in post["tags"]:
-                if tag not in tags:
-                    tags.append(tag)
+                tags[tag] = tags.get(tag, 0) + 1
 
     try:
         tag_descriptions = load_yaml(open(base_dir / "blogTags.yml").read())
     except FileNotFoundError:
         tag_descriptions = {}
 
-    tags = list(map(lambda x: AbbreviatedTag(x, tag_descriptions.get(x)), tags))
+    tag_list = [AbbreviatedTag(x, tag_descriptions.get(x), tags[x]) for x in tags]
+    
+    # Here, we sort twice - once to get the tag list sorted alphabetically going in ascending order
+    # and a second time to get the tag list sorted by presence of description and article count in
+    # descending order.
+    tag_list = sorted(tag_list, key=lambda x: x.slug)
+    tag_list = sorted(
+        tag_list,
+        key=lambda x: (x.description is not None, x.articleCount),
+        reverse=True,
+    )
 
     post_list = list(
         sorted(
@@ -353,15 +362,14 @@ def blog(base_dir: Path, output_dir: Path, jinja_env: jinja2.Environment, site_c
                     "canonicalURL": _make_canonical_url(site_config, "/blog/tags/"),
                     "showAside": True,
                 },
-                "tags": list(sorted(filter(lambda x: x.description is not None, tags)))
-                + list(sorted(filter(lambda x: x.description is None, tags))),
+                "tags": tag_list,
             }
         )
         f.write(r)
 
     # generate tag-specific index pages
     tpl = jinja_env.get_template("_layouts/blog/postsFilteredByTag.html")
-    for tag in tags:
+    for tag in tag_list:
         d = tags_output_dir / tag.slug
         os.makedirs(d, exist_ok=True)
         with open(d / "index.html", "w") as f:

generator/typedef.py

@@ -13,4 +13,4 @@ AbbreviatedPost = namedtuple(
     ],
 )
 
-AbbreviatedTag = namedtuple("AbbreviatedTag", ["slug", "description"])
+AbbreviatedTag = namedtuple("AbbreviatedTag", ["slug", "description", "articleCount"])