[GitHub] [airflow] uranusjr commented on a change in pull request #20361: Add context var hook to inject more env vars

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

uranusjr commented on a change in pull request #20361:
URL: https://github.com/apache/airflow/pull/20361#discussion_r774981167



##########
File path: airflow/utils/operator_helpers.py
##########
@@ -75,6 +86,16 @@ def context_to_airflow_vars(context: Mapping[str, Any], in_env_var_format: bool
         (dag_run, 'run_id', 'AIRFLOW_CONTEXT_DAG_RUN_ID'),
     ]
 
+    context_params = settings.get_airflow_context_vars(context)
+    for key, value in context_params.items():
+        if in_env_var_format:
+            if not key.startswith(ENV_VAR_FORMAT_PREFIX):
+                key = ENV_VAR_FORMAT_PREFIX + key.upper()
+        else:
+            if not key.startswith(DEFAULT_FORMAT_PREFIX):
+                key = DEFAULT_FORMAT_PREFIX + key
+        params[key] = value

Review comment:
       Some validation is needed to ensure the dict still only contain str.




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