[mastodon] Support non-numeric status IDs (#4936)

gallery_dl/extractor/mastodon.py

@@ -152,7 +152,7 @@ class MastodonFollowingExtractor(MastodonExtractor):
 class MastodonStatusExtractor(MastodonExtractor):
     """Extractor for images from a status"""
     subcategory = "status"
-    pattern = BASE_PATTERN + r"/@[^/?#]+/(\d+)"
+    pattern = BASE_PATTERN + r"/@[^/?#]+/(?!following)([^/?#]+)"
     example = "https://mastodon.social/@USER/12345"
 
     def statuses(self):

test/results/mastodon.py

@@ -0,0 +1,21 @@
+# -*- 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 mastodon
+
+
+__tests__ = (
+{
+    "#url"     : "mastodon:https://donotsta.re/@elly/AcoUaA7EH1igiYKmFU",
+    "#category": ("mastodon", "donotsta.re", "status"),
+    "#class"   : mastodon.MastodonStatusExtractor,
+    "#urls"    : "https://asdf.donotsta.re/media/917e7722dd30d510686ce9f3717a1f722dac96fd974b5af5ec2ccbc8cbd740c6.png",
+
+    "instance": "donotsta.re",
+    "instance_remote": None,
+},
+
+)