[pixiv] fix errors when using metadata options for avatar/background

(#9002)

gallery_dl/extractor/pixiv.py

@@ -376,6 +376,8 @@ class PixivExtractor(Extractor):
             "meta_single_page": {"original_image_url": url},
             "page_count"      : 1,
             "sanity_level"    : 0,
+            "total_comments"  : 0,
+            "is_bookmarked"   : False,
             "tags"            : (),
             "title"           : kind,
             "type"            : kind,
@@ -520,7 +522,10 @@ class PixivAvatarExtractor(PixivExtractor):
 
     def _init(self):
         PixivExtractor._init(self)
-        self.sanity_workaround = self.meta_comments = False
+        self.sanity_workaround = \
+            self.meta_bookmark = \
+            self.meta_comments = \
+            self.meta_captions = False
 
     def works(self):
         user = self.api.user_detail(self.groups[0])["user"]
@@ -536,9 +541,7 @@ class PixivBackgroundExtractor(PixivExtractor):
     pattern = USER_PATTERN + "/background"
     example = "https://www.pixiv.net/en/users/12345/background"
 
-    def _init(self):
-        PixivExtractor._init(self)
-        self.sanity_workaround = self.meta_comments = False
+    _init = PixivAvatarExtractor._init
 
     def works(self):
         detail = self.api.user_detail(self.groups[0])

test/results/pixiv.py

@@ -211,12 +211,24 @@ __tests__ = (
 {
     "#url"     : "https://www.pixiv.net/en/users/173530/avatar",
     "#class"   : pixiv.PixivAvatarExtractor,
+    "#options" : {
+        "metadata"         : True,
+        "metadata-bookmark": True,
+        "captions"         : True,
+        "comments"         : True,
+    },
     "#sha1_content": "4e57544480cc2036ea9608103e8f024fa737fe66",
 },
 
 {
     "#url"     : "https://www.pixiv.net/en/users/194921/background",
     "#class"   : pixiv.PixivBackgroundExtractor,
+    "#options" : {
+        "metadata"         : True,
+        "metadata-bookmark": True,
+        "captions"         : True,
+        "comments"         : True,
+    },
     "#pattern" : r"https://i\.pximg\.net/background/img/2021/01/30/16/12/02/194921_af1f71e557a42f499213d4b9eaccc0f8\.jpg",
 },