[batoto] fix crash when manga/chapter contains a '-' (#5200)

gallery_dl/extractor/batoto.py

@@ -40,10 +40,18 @@ class BatotoChapterExtractor(BatotoBase, ChapterExtractor):
 
     def metadata(self, page):
         extr = text.extract_from(page)
-        manga, info, _ = extr("<title>", "<").rsplit(" - ", 3)
+        try:
+            manga, info, _ = extr("<title>", "<").rsplit(" - ", 3)
+        except ValueError:
+            manga = info = None
+
         manga_id = text.extr(
             extr('rel="canonical" href="', '"'), "/title/", "/")
 
+        if not manga:
+            manga = extr('link-hover">', "<")
+            info = text.remove_html(extr('link-hover">', "</"))
+
         match = re.match(
             r"(?:Volume\s+(\d+) )?"
             r"\w+\s+(\d+)(.*)", info)

test/results/batoto.py

@@ -42,6 +42,23 @@ __tests__ = (
     "chapter": 5,
 },
 
+{
+    "#url"     : "https://mto.to/chapter/2584460",
+    "#comment" : "'-' in manga title (#5200)",
+    "#category": ("", "batoto", "chapter"),
+    "#class"   : batoto.BatotoChapterExtractor,
+
+    "chapter"   : 9,
+    "chapter_id": 2584460,
+    "chapter_minor": "",
+    "count"     : 18,
+    "date"      : "dt:2023-11-26 11:01:12",
+    "manga"     : "Isekai Teni shitara Aiken ga Saikyou ni narimashita - Silver Fenrir to Ore ga Isekai Kurashi wo Hajimetara (Official)",
+    "manga_id"  : 126793,
+    "title"     : "",
+    "volume"    : 0
+},
+
 {
     "#url"     : "https://bato.to/title/86408/1681030",
     "#category": ("", "batoto", "chapter"),
@@ -85,7 +102,7 @@ __tests__ = (
     "#class"   : batoto.BatotoMangaExtractor,
     "#count"   : ">= 29",
 
-    "manga": "The Grand Duke’s Fox Princess ⎝⎝MGCHAN⎠⎠",
+    "manga": "The Grand Duke’s Fox Princess〖MGCHAN〗",
 },
 
 {