[dankefuerslesen] fix several issues (#7669)

- return chapters in first-to-last order
- provide 'group' as list of names
- remove hardcoded 'en' and 'English' language results
- replace 'popitem()' with non-destructive 'next(iter(…))'
- 'chapter-minor' -> 'chapter_minor'

gallery_dl/extractor/dankefuerslesen.py

@@ -9,7 +9,7 @@
 """Extractors for https://danke.moe/"""
 
 from .common import ChapterExtractor, MangaExtractor
-from .. import text
+from .. import text, util
 from ..cache import memcache
 
 BASE_PATTERN = r"(?:https?://)?(?:www\.)?danke\.moe"
@@ -53,7 +53,7 @@ class DankefuerslesenChapterExtractor(DankefuerslesenBase, ChapterExtractor):
             minor = ""
 
         data = manga["chapters"][ch]
-        group_id, self._files = data["groups"].popitem()
+        group_id, self._files = next(iter(data["groups"].items()))
 
         if not self.zip:
             self.base = (f"{self.root}/media/manga/{slug}/chapters"
@@ -66,11 +66,11 @@ class DankefuerslesenChapterExtractor(DankefuerslesenBase, ChapterExtractor):
             "volume"    : text.parse_int(data["volume"]),
             "chapter"   : text.parse_int(chapter),
             "chapter_minor": minor,
-            "group"     : manga["groups"][group_id],
+            "group"     : manga["groups"][group_id].split(" & "),
             "group_id"  : text.parse_int(group_id),
             "date"      : text.parse_timestamp(data["release_date"][group_id]),
-            "lang"      : "en",
-            "language"  : "English",
+            "lang"      : util.NONE,
+            "language"  : util.NONE,
         }
 
     def images(self, page):
@@ -94,6 +94,7 @@ class DankefuerslesenChapterExtractor(DankefuerslesenBase, ChapterExtractor):
 class DankefuerslesenMangaExtractor(DankefuerslesenBase, MangaExtractor):
     """Extractor for Danke fürs Lesen manga"""
     chapterclass = DankefuerslesenChapterExtractor
+    reverse = False
     pattern = BASE_PATTERN + r"/read/manga/([^/?#]+)"
     example = "https://danke.moe/read/manga/TITLE/"
 
@@ -104,6 +105,9 @@ class DankefuerslesenMangaExtractor(DankefuerslesenBase, MangaExtractor):
         results = []
 
         manga = self._manga_info(self.groups[0]).copy()
+        manga["lang"] = util.NONE
+        manga["language"] = util.NONE
+
         base = f"{self.root}/read/manga/{manga['slug']}/"
         for ch, data in manga.pop("chapters").items():
 
@@ -111,13 +115,12 @@ class DankefuerslesenMangaExtractor(DankefuerslesenBase, MangaExtractor):
                 chapter, sep, minor = ch.rpartition(".")
                 ch = ch.replace('.', '-')
                 data["chapter"] = text.parse_int(chapter)
-                data["chapter-minor"] = sep + minor
+                data["chapter_minor"] = sep + minor
             else:
                 data["chapter"] = text.parse_int(ch)
-                data["chapter-minor"] = ""
+                data["chapter_minor"] = ""
 
-            url = f"{base}{ch}/1/"
             manga.update(data)
-            results.append((url, manga))
+            results.append((f"{base}{ch}/1/", manga))
 
         return results

test/results/dankefuerslesen.py

@@ -22,10 +22,10 @@ __tests__ = (
     "date"      : "dt:2025-02-09 19:03:08",
     "extension" : "png",
     "filename"  : str,
-    "group"     : "Good Try Scans",
+    "group"     : ["Good Try Scans"],
     "group_id"  : 69,
-    "lang"      : "en",
-    "language"  : "English",
+    "lang"      : None,
+    "language"  : None,
     "manga"     : "Awana-chan wa Kyou mo Shiawase",
     "manga_slug": "awana-chan-wa-kyou-mo-shiawase",
     "title"     : "Eat some ramen!",
@@ -58,10 +58,10 @@ __tests__ = (
     "date"      : "dt:2024-10-10 07:12:44",
     "extension" : "png",
     "filename"  : str,
-    "group"     : "Danke fürs Lesen & Senko-san's Abode",
+    "group"     : ["Danke fürs Lesen", "Senko-san's Abode"],
     "group_id"  : 56,
-    "lang"      : "en",
-    "language"  : "English",
+    "lang"      : None,
+    "language"  : None,
     "manga"     : "Raul and The Vampire",
     "manga_slug": "raul-and-the-vampire",
     "title"     : "Volume 1 Extras",
@@ -71,10 +71,17 @@ __tests__ = (
     "#url"     : "https://danke.moe/read/manga/awana-chan-wa-kyou-mo-shiawase/",
     "#class"   : dankefuerslesen.DankefuerslesenMangaExtractor,
     "#pattern" : dankefuerslesen.DankefuerslesenChapterExtractor.pattern,
-    "#count"   : 4,
+    "#results" : (
+        "https://danke.moe/read/manga/awana-chan-wa-kyou-mo-shiawase/1/1/",
+        "https://danke.moe/read/manga/awana-chan-wa-kyou-mo-shiawase/2/1/",
+        "https://danke.moe/read/manga/awana-chan-wa-kyou-mo-shiawase/3/1/",
+        "https://danke.moe/read/manga/awana-chan-wa-kyou-mo-shiawase/4/1/",
+    ),
 
-    "chapter": range(1, 4),
+    "chapter" : range(1, 4),
     "chapter_minor": "",
+    "lang"    : None,
+    "language": None,
 },
 
 )