[imagetwist] detect removed images (#8415)

gallery_dl/extractor/imagehosts.py

@@ -53,6 +53,8 @@ class ImagehostImageExtractor(Extractor):
         ).text
 
         url, filename = self.get_info(page)
+        if not url:
+            return
         data = text.nameext_from_url(filename, {"token": self.token})
         data.update(self.metadata(page))
         if self._https and url.startswith("http:"):
@@ -199,6 +201,8 @@ class ImagetwistImageExtractor(ImagehostImageExtractor):
 
     def get_info(self, page):
         url     , pos = text.extract(page, '<img src="', '"')
+        if url and url.startswith("/imgs/"):
+            return None, None
         filename, pos = text.extract(page, ' alt="', '"', pos)
         return url, filename
 

test/results/imagetwist.py

@@ -41,6 +41,14 @@ __tests__ = (
     "#class"   : imagehosts.ImagetwistImageExtractor,
 },
 
+{
+    "#url"     : "https://imagetwist.com/tynhxt4ay9rl/9g09tq0e2i1b.jpg",
+    "#comment" : "'Image not found' (#8415)",
+    "#category": ("imagehost", "imagetwist", "image"),
+    "#class"   : imagehosts.ImagetwistImageExtractor,
+    "#count"   : 0,
+},
+
 {
     "#url"     : "https://imagetwist.com/p/gdldev/747223/digits",
     "#category": ("imagehost", "imagetwist", "gallery"),