Also process draft & hidden articles & pages

Author: Cimon Lucas (LCM)

pelican/plugins/featured_image/featured_image.py

@@ -1,4 +1,5 @@
 from bs4 import BeautifulSoup
+from itertools import chain
 
 from pelican import signals
 from pelican.contents import Article, Page
@@ -44,12 +45,12 @@ def run_plugin(generators):
     """Run the Featured Image plugin."""
     for generator in generators:
         if isinstance(generator, ArticlesGenerator):
-            for article in generator.articles:
+            for article in chain(generator.articles, generator.hidden_articles, generator.drafts):
                 images_extraction(article)
                 for translation in article.translations:
                     images_extraction(translation)
         elif isinstance(generator, PagesGenerator):
-            for page in generator.pages:
+            for page in chain(generator.pages, generator.hidden_pages, generator.draft_pages):
                 images_extraction(page)
                 for translation in page.translations:
                     images_extraction(translation)