Convert the whole site to use Pelican instead of Jekyll

my_theme/templates/translations.html

@@ -0,0 +1,16 @@
+{% macro translations_for(article) %}
+{% if article.translations %}
+Translations:
+    {% for translation in article.translations %}
+        <a href="{{ SITEURL }}/{{ translation.url }}" hreflang="{{ translation.lang }}">{{ translation.lang }}</a>
+    {% endfor %}
+{% endif %}
+{% endmacro %}
+
+{% macro entry_hreflang(entry) %}
+{% if entry.translations %}
+  {% for translation in entry.translations %}
+    <link rel="alternate" hreflang="{{ translation.lang }}" href="{{ SITEURL }}/{{ translation.url }}">
+  {% endfor %}
+{% endif %}
+{% endmacro %}