[GitHub] [airflow] turbaszek commented on a change in pull request #8394: Allow allow multiple extra_packages in Dataflow

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

turbaszek commented on a change in pull request #8394: Allow allow multiple extra_packages in Dataflow
URL: https://github.com/apache/airflow/pull/8394#discussion_r410904955
 
 

 ##########
 File path: airflow/providers/google/cloud/hooks/dataflow.py
 ##########
 @@ -681,14 +681,25 @@ def _build_cmd(variables: Dict, label_formatter: Callable, project_id: str) -> L
             "--runner=DataflowRunner",
             "--project={}".format(project_id),
         ]
-        if variables is not None:
-            for attr, value in variables.items():
-                if attr == 'labels':
-                    command += label_formatter(value)
-                elif value is None or value.__len__() < 1:
+        if variables is None:
+            return command
+
+        # The logic of this method should be compatible with Apachea Beam:
+        # https://github.com/apache/beam/blob/b56740f0e8cd80c2873412847d0b336837429fb9/sdks/python/
+        # apache_beam/options/pipeline_options.py#L230-L251
+        for attr, value in variables.items():
+            if attr == 'labels':
+                command += label_formatter(value)
+            elif value is None:
+                command.append("--" + attr)
 
 Review comment:
   ```suggestion
                   command.append(f"--{attr}")
   ```
   WDYT?

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