chroma: set a default timeout of 10 seconds (#5898)

This prevents the `chroma` plugin from hanging the entire import process
if the AcoustID API fails to respond.

beetsplug/chroma.py

@@ -98,7 +98,9 @@ def acoustid_match(log, path):
     fp = fp.decode()
     _fingerprints[path] = fp
     try:
-        res = acoustid.lookup(API_KEY, fp, duration, meta="recordings releases")
+        res = acoustid.lookup(
+            API_KEY, fp, duration, meta="recordings releases", timeout=10
+        )
     except acoustid.AcoustidError as exc:
         log.debug(
             "fingerprint matching {0} failed: {1}",
@@ -292,7 +294,7 @@ def submit_items(log, userkey, items, chunksize=64):
         """Submit the current accumulated fingerprint data."""
         log.info("submitting {0} fingerprints", len(data))
         try:
-            acoustid.submit(API_KEY, userkey, data)
+            acoustid.submit(API_KEY, userkey, data, timeout=10)
         except acoustid.AcoustidError as exc:
             log.warning("acoustid submission error: {0}", exc)
         del data[:]

docs/changelog.rst

@@ -55,6 +55,8 @@ Bug fixes:
 - :doc:`plugins/lastgenre`: Fix the issue introduced in Beets 2.3.0 where
   non-whitelisted last.fm genres were not canonicalized to parent genres.
   :bug:`5930`
+- :doc:`plugins/chroma`: AcoustID lookup HTTP requests will now time out after
+  10 seconds, rather than hanging the entire import process.
 
 For packagers: