[imagechest] fix extraction (#3914)

gallery_dl/extractor/imagechest.py

@@ -1,12 +1,13 @@
 # -*- coding: utf-8 -*-
 
 # Copyright 2020 Leonid "Bepis" Pavel
+# Copyright 2023 Mike Fährmann
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.
 
-"""Extract images from galleries at https://imgchest.com/"""
+"""Extractors for https://imgchest.com/"""
 
 from .common import GalleryExtractor
 from .. import text, exception
@@ -19,7 +20,14 @@ class ImagechestGalleryExtractor(GalleryExtractor):
     pattern = r"(?:https?://)?(?:www\.)?imgchest\.com/p/([A-Za-z0-9]{11})"
     test = (
         ("https://imgchest.com/p/3na7kr3by8d", {
-            "url": "f095b4f78c051e5a94e7c663814d1e8d4c93c1f7",
+            "pattern": r"https://cdn\.imgchest\.com/files/\w+\.(jpg|png)",
+            "keyword": {
+                "count": 3,
+                "gallery_id": "3na7kr3by8d",
+                "num": int,
+                "title": "Wizardry - Video Game From The Mid 80's",
+            },
+            "url": "7328ca4ec2459378d725e3be19f661d2b045feda",
             "content": "076959e65be30249a2c651fbe6090dc30ba85193",
             "count": 3
         }),
@@ -43,6 +51,5 @@ class ImagechestGalleryExtractor(GalleryExtractor):
     def images(self, page):
         return [
             (url, None)
-            for url in text.extract_iter(
+            for url in text.extract_iter(page, 'data-url="', '"')
-                page, 'property="og:image" content="', '"')
         ]