[e621] support e621.cc and e621.anthro.fr frontend URLs (#6809)

test/results/E621.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+
+# 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.
+
+from gallery_dl.extractor import e621
+
+
+__tests__ = (
+{
+    "#url"     : "https://e621.cc/?tags=rating:safe",
+    "#category": ("E621", "e621", "frontend"),
+    "#class"   : e621.E621FrontendExtractor,
+    "#urls"    : "https://e621.net/posts?tags=rating:safe",
+},
+
+{
+    "#url"     : "https://e621.anthro.fr/?q=rating:safe",
+    "#category": ("E621", "e621", "frontend"),
+    "#class"   : e621.E621FrontendExtractor,
+    "#urls"    : "https://e621.net/posts?tags=rating:safe",
+},
+
+)