From 214acc39e69ebaf120d51c1d9d7d3d4dc6ba9556 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Sat, 11 Oct 2025 15:06:26 +0200
Subject: [PATCH] [mangadex] fix 'RuntimeError' for titles without a
 'description' (#8389)

fixes regression introduced in 0a76cbc8c7caeec95494472f2fa4a82437ad11f4
---
 gallery_dl/extractor/mangadex.py | 4 ++--
 test/results/mangadex.py         | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/gallery_dl/extractor/mangadex.py b/gallery_dl/extractor/mangadex.py
index 30d68482..16eb6505 100644
--- a/gallery_dl/extractor/mangadex.py
+++ b/gallery_dl/extractor/mangadex.py
@@ -450,13 +450,13 @@ def _manga_info(self, uuid):
 
     return {
         "manga" : (mattr["title"].get("en") or
-                   next(iter(mattr["title"].values()))),
+                   next(iter(mattr["title"].values()), "")),
         "manga_id": manga["id"],
         "manga_titles": [t.popitem()[1]
                          for t in mattr.get("altTitles") or ()],
         "manga_date"  : text.parse_datetime(mattr.get("createdAt")),
         "description" : (mattr["description"].get("en") or
-                         next(iter(mattr["description"].values()))),
+                         next(iter(mattr["description"].values()), "")),
         "demographic": mattr.get("publicationDemographic"),
         "origin": mattr.get("originalLanguage"),
         "status": mattr.get("status"),
diff --git a/test/results/mangadex.py b/test/results/mangadex.py
index 49149956..5309db13 100644
--- a/test/results/mangadex.py
+++ b/test/results/mangadex.py
@@ -178,6 +178,15 @@ __tests__ = (
     "#count"   : ">= 20",
 },
 
+{
+    "#url"     : "https://mangadex.org/title/2e73a1ac-bf26-4c04-84f6-d0a22fd37624/tomodachi-no-joshi-ni-josou-saserare-danshi",
+    "#comment" : "no 'description' (#8389)",
+    "#class"   : mangadex.MangadexMangaExtractor,
+    "#count"   : 47,
+
+    "description": "",
+},
+
 {
     "#url"     : "https://mangadex.org/titles/feed",
     "#class"   : mangadex.MangadexFeedExtractor,