Fix #5298 (Article Dates not set with custom parse_index)

src/calibre/web/feeds/__init__.py

@@ -49,6 +49,17 @@ def __init__(self, id, title, url, author, summary, published, content):
         self.date = published
         self.utctime = dt_factory(self.date, assume_utc=True, as_utc=True)
         self.localtime = self.utctime.astimezone(local_tz)
+        self._formatted_date = None
+
+    @dynamic_property
+    def formatted_date(self):
+        def fget(self):
+            if self._formatted_date is None:
+                self._formatted_date = self.localtime.strftime(" [%a, %d %b %H:%M]")
+            return self._formatted_date
+        def fset(self, val):
+            self._formatted_date = val
+        return property(fget=fget, fset=fset)
 
     @dynamic_property
     def title(self):
@@ -150,6 +161,8 @@ def populate_from_preparsed_feed(self, title, articles, oldest_article=7,
                 self.articles.append(article)
             else:
                 self.logger.debug('Skipping article %s (%s) from feed %s as it is too old.'%(title, article.localtime.strftime('%a, %d %b, %Y %H:%M'), self.title))
+            d = item.get('date', '')
+            article.formatted_date = d
 
 
     def parse_article(self, item):

src/calibre/web/feeds/templates.py

@@ -160,7 +160,7 @@ def __init__(self):
             <li id="${'article_%d'%i}" py:if="getattr(article, 'downloaded',
             False)" style="padding-bottom:0.5em" class="calibre_rescale_100">
                 <a class="article calibre_rescale_120" href="${article.url}">${article.title}</a>
-                <span class="article_date">${article.localtime.strftime(" [%a, %d %b %H:%M]")}</span>
+                <span class="article_date">${article.formatted_date}</span>
                 <div class="article_description calibre_rescale_70" py:if="article.summary">
                     ${Markup(cutoff(article.text_summary))}
                 </div>