import plugins from core and restructure repo

multi_part/multi_part.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+"""
+Copyright (c) FELD Boris <lothiraldan@gmail.com>
+
+Multiple part support
+=====================
+
+Create a navigation menu for multi-part related_posts
+"""
+
+from collections import defaultdict
+
+from pelican import signals
+
+
+def aggregate_multi_part(generator):
+        multi_part = defaultdict(list)
+
+        for article in generator.articles:
+            if 'parts' in article.metadata:
+                multi_part[article.metadata['parts']].append(article)
+
+        for part_id in multi_part:
+            parts = multi_part[part_id]
+
+            # Sort by date
+            parts.sort(key=lambda x: x.metadata['date'])
+
+            for article in parts:
+                article.metadata['parts_articles'] = parts
+
+
+def register():
+    signals.article_generator_finalized.connect(aggregate_multi_part)