Redgifs fix

Handle redgifs link with trailing / causing id to return empty string.

bdfr/site_downloaders/redgifs.py

@@ -24,6 +24,8 @@ class Redgifs(BaseDownloader):
     @staticmethod
     def _get_link(url: str) -> set[str]:
         try:
+            if url.endswith("/"):
+                url = url.removesuffix("/")
             redgif_id = re.match(r".*/(.*?)(\..{0,})?$", url).group(1)
         except AttributeError:
             raise SiteDownloaderError(f"Could not extract Redgifs ID from {url}")

tests/site_downloaders/test_redgifs.py

@@ -29,6 +29,7 @@ from bdfr.site_downloaders.redgifs import Redgifs
                 "UnripeUnkemptWoodpecker-large.jpg",
             },
         ),
+        ("https://www.redgifs.com/watch/genuineprivateguillemot/", {"GenuinePrivateGuillemot.mp4"}),
     ),
 )
 def test_get_link(test_url: str, expected: set[str]):