From feacdd5d8771ed90d5f063fd39248b9d2458912d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Sat, 12 Apr 2025 20:14:31 +0200
Subject: [PATCH] [hentai2read] fix exception for chapters without artist
 (#7355)

---
 gallery_dl/extractor/hentai2read.py | 24 ++++++++++++++----------
 test/results/hentai2read.py         | 25 +++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 10 deletions(-)

diff --git a/gallery_dl/extractor/hentai2read.py b/gallery_dl/extractor/hentai2read.py
index 9ab1411f..1317ce98 100644
--- a/gallery_dl/extractor/hentai2read.py
+++ b/gallery_dl/extractor/hentai2read.py
@@ -25,26 +25,30 @@ class Hentai2readChapterExtractor(Hentai2readBase, ChapterExtractor):
     pattern = r"(?:https?://)?(?:www\.)?hentai2read\.com(/[^/?#]+/([^/?#]+))"
     example = "https://hentai2read.com/TITLE/1/"
 
-    def __init__(self, match):
-        self.chapter = match.group(2)
-        ChapterExtractor.__init__(self, match)
-
     def metadata(self, page):
         title, pos = text.extract(page, "<title>", "</title>")
         manga_id, pos = text.extract(page, 'data-mid="', '"', pos)
         chapter_id, pos = text.extract(page, 'data-cid="', '"', pos)
-        chapter, sep, minor = self.chapter.partition(".")
-        match = re.match(r"Reading (.+) \(([^)]+)\) Hentai(?: by (.+))? - "
+        chapter, sep, minor = self.groups[1].partition(".")
+
+        match = re.match(r"Reading (.+) \(([^)]+)\) Hentai(?: by (.*))? - "
                          r"([^:]+): (.+) . Page 1 ", title)
+        if match:
+            manga, type, author, _, title = match.groups()
+        else:
+            self.log.warning("Failed to extract 'manga', 'type', 'author', "
+                             "and 'title' metadata")
+            manga = type = author = title = ""
+
         return {
-            "manga": match.group(1),
+            "manga": manga,
             "manga_id": text.parse_int(manga_id),
             "chapter": text.parse_int(chapter),
             "chapter_minor": sep + minor,
             "chapter_id": text.parse_int(chapter_id),
-            "type": match.group(2),
-            "author": match.group(3),
-            "title": match.group(5),
+            "type": type,
+            "author": author,
+            "title": title,
             "lang": "en",
             "language": "English",
         }
diff --git a/test/results/hentai2read.py b/test/results/hentai2read.py
index 01349c2e..0b46e10a 100644
--- a/test/results/hentai2read.py
+++ b/test/results/hentai2read.py
@@ -37,6 +37,31 @@ __tests__ = (
     "type"         : "Original",
 },
 
+{
+    "#url"     : "https://hentai2read.com/nozoki_ana/1/",
+    "#category": ("", "hentai2read", "chapter"),
+    "#class"   : hentai2read.Hentai2readChapterExtractor,
+    "#pattern" : r"https://hentaicdn\.com/hentai/2720/1/hcdn00\d+\.jpg",
+    "#count"   : 203,
+
+    "author"       : "",
+    "chapter"      : 1,
+    "chapter_id"   : 2965,
+    "chapter_minor": "",
+    "count"        : 203,
+    "extension"    : "jpg",
+    "filename"     : str,
+    "lang"         : "en",
+    "language"     : "English",
+    "manga"        : "Nozoki Ana [Ecchi]",
+    "manga_id"     : 2720,
+    "page"         : range(1, 203),
+    "subcategory"  : "chapter",
+    "title"        : "Nozoki Ana 1",
+    "type"         : "Original",
+
+},
+
 {
     "#url"     : "https://hentai2read.com/amazon_elixir/",
     "#category": ("", "hentai2read", "manga"),