log errors when fingerprinting fails

beetsplug/chroma.py

@@ -52,6 +52,10 @@ def acoustid_match(path, metadata=None):
     try:
         res = acoustid.match(API_KEY, path, meta='recordings releases',
                              parse=False)
+    except acoustid.FingerprintGenerationError, exc:
+        log.error('fingerprinting of %s failed: %s' %
+                  (repr(path), str(exc)))
+        return None
     except acoustid.AcoustidError, exc:
         log.debug('fingerprint matching %s failed: %s' % 
                   (repr(path), str(exc)))

docs/changelog.rst

@@ -45,6 +45,7 @@ lays the foundation for more features to come in the next couple of releases.
 * The import log file is now flushed and closed properly so that it can be used
   to monitor import progress, even when the import crashes.
 * Duplicate track matches are no longer shown when autotagging singletons.
+* The ``chroma`` plugin now logs errors when fingerprinting fails.
 * Fix a bug in the ``rewrite`` plugin that broke the use of multiple rules for
   a single field.
 * Fix a crash with non-ASCII characters in bytestring metadata fields (e.g.,