[GitHub] [airflow] ashb commented on a change in pull request #12472: Allow registering extra links for providers

[GitBox <gi...@apache.org>]

ashb commented on a change in pull request #12472:
URL: https://github.com/apache/airflow/pull/12472#discussion_r532099145



##########
File path: airflow/serialization/serialized_objects.py
##########
@@ -53,14 +55,23 @@
 log = logging.getLogger(__name__)
 FAILED = 'serialization_failed'
 
-BUILTIN_OPERATOR_EXTRA_LINKS: List[str] = [
-    "airflow.providers.google.cloud.operators.bigquery.BigQueryConsoleLink",
-    "airflow.providers.google.cloud.operators.bigquery.BigQueryConsoleIndexableLink",
-    "airflow.providers.google.cloud.operators.mlengine.AIPlatformConsoleLink",
-    "airflow.providers.qubole.operators.qubole.QDSLink",
+_OPERATOR_EXTRA_LINKS: Set[str] = {
     "airflow.operators.dagrun_operator.TriggerDagRunLink",
     "airflow.sensors.external_task_sensor.ExternalTaskSensorLink",
-]
+}
+
+cache = lru_cache(maxsize=None)
+
+
+@cache

Review comment:
       This was because in newer versions of func_tools there is a `cache` function that does this, so it's mirroring that. Could probably do with a comment, or at the top:
   
   ```python
   try:
       from functools import cache
   except ImportError:
       from functools import lru_cache
       cache = lru_cache(maxsize=None)
   ```




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