discogs: don't crash if a release is deleted

Author: 9999years

beetsplug/discogs.py

@@ -20,6 +20,7 @@
 
 import http.client
 import json
+import logging
 import os
 import re
 import socket
@@ -31,7 +32,7 @@
 
 import confuse
 from discogs_client import Client, Master, Release
-from discogs_client.exceptions import DiscogsAPIError
+from discogs_client.exceptions import DiscogsAPIError, HTTPError
 from requests.exceptions import ConnectionError
 from typing_extensions import TypedDict
 
@@ -46,6 +47,8 @@
     from collections.abc import Callable, Iterable
 
     from beets.library import Item
+# Global logger.
+log = logging.getLogger("beets")
 
 USER_AGENT = f"beets/{beets.__version__} +https://beets.io/"
 API_KEY = "rAzVUQYRaoFjeBjyWuWZ"
@@ -305,7 +308,13 @@ def get_album_info(self, result):
         # Explicitly reload the `Release` fields, as they might not be yet
         # present if the result is from a `discogs_client.search()`.
         if not result.data.get("artists"):
-            result.refresh()
+            try:
+                result.refresh()
+            except HTTPError as exc:
+                if exc.status_code == 404:
+                    log.debug("Request not found: {0}: {1}", result, exc)
+                else:
+                    raise
 
         # Sanity check for required fields. The list of required fields is
         # defined at Guideline 1.3.1.a, but in practice some releases might be