raise NotFoundErrors for 404 responses in GalleryExtractors

gallery_dl/extractor/common.py

@@ -302,7 +302,7 @@ class GalleryExtractor(Extractor):
 
     def items(self):
         self.login()
-        page = self.request(self.gallery_url).text
+        page = self.request(self.gallery_url, notfound=self.subcategory).text
         data = self.metadata(page)
         imgs = self.images(page)
 

gallery_dl/extractor/kissmanga.py

@@ -19,9 +19,9 @@ import re
 class RedirectMixin():
     """Detect and handle redirects to CAPTCHA pages"""
 
-    def request(self, url):
+    def request(self, url, **kwargs):
         while True:
-            response = Extractor.request(self, url)
+            response = Extractor.request(self, url, **kwargs)
             if not response.history or "/AreYouHuman" not in response.url:
                 return response
             if self.config("captcha", "stop") == "wait":