[mangadex] add 'author' extractor (#6372)

docs/supportedsites.md

@@ -556,7 +556,7 @@ Consider all listed sites to potentially be NSFW.
 <tr>
     <td>MangaDex</td>
     <td>https://mangadex.org/</td>
-    <td>Chapters, Followed Feed, Lists, Manga</td>
+    <td>Authors, Chapters, Followed Feed, Lists, Manga</td>
     <td>Supported</td>
 </tr>
 <tr>

gallery_dl/extractor/mangadex.py

@@ -174,6 +174,23 @@ class MangadexListExtractor(MangadexExtractor):
                 yield Message.Queue, url, data
 
 
+class MangadexAuthorExtractor(MangadexExtractor):
+    """Extractor for mangadex authors"""
+    subcategory = "author"
+    pattern = BASE_PATTERN + r"/author/([0-9a-f-]+)"
+    example = ("https://mangadex.org/author"
+               "/01234567-89ab-cdef-0123-456789abcdef/NAME")
+
+    def items(self):
+        author = self.api.author(self.uuid)
+        author["_extractor"] = MangadexMangaExtractor
+
+        for item in author["relationships"]:
+            if item["type"] == "manga":
+                url = "{}/title/{}".format(self.root, item["id"])
+                yield Message.Queue, url, author
+
+
 class MangadexAPI():
     """Interface for the MangaDex API v5
 
@@ -195,6 +212,10 @@ class MangadexAPI():
     def athome_server(self, uuid):
         return self._call("/at-home/server/" + uuid)
 
+    def author(self, uuid, manga=False):
+        params = {"includes[]": ("manga",)} if manga else None
+        return self._call("/author/" + uuid, params)["data"]
+
     def chapter(self, uuid):
         params = {"includes[]": ("scanlation_group",)}
         return self._call("/chapter/" + uuid, params)["data"]

test/results/mangadex.py

@@ -140,4 +140,22 @@ __tests__ = (
     ),
 },
 
+{
+    "#url"     : "https://mangadex.org/author/7222d0d5-836c-4bf3-9174-72bceade8c87/kotoyama",
+    "#class"   : mangadex.MangadexAuthorExtractor,
+    "#urls"    : (
+        "https://mangadex.org/title/f48bbb5f-8a23-4dea-8177-eb2dbbcbf4fa",
+        "https://mangadex.org/title/00b68132-4e69-4ff9-ad4b-29138b377dc8",
+        "https://mangadex.org/title/41cd6fa7-3e53-4900-88e6-4a06cd7df9ad",
+        "https://mangadex.org/title/f1b70bba-3873-4c22-afa3-1d1c78299cd9",
+        "https://mangadex.org/title/259dfd8a-f06a-4825-8fa6-a2dcd7274230",
+        "https://mangadex.org/title/d0c88e3b-ea64-4e07-9841-c1d2ac982f4a",
+    ),
+
+    "id": "7222d0d5-836c-4bf3-9174-72bceade8c87",
+    "type": "author",
+    "attributes": dict,
+    "relationships": list,
+},
+
 )