BasPH commented on a change in pull request #5461: [AIRFLOW-4835] Refactor
render_template
URL: https://github.com/apache/airflow/pull/5461#discussion_r309218376
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File path: airflow/models/taskinstance.py
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@@ -1245,21 +1245,20 @@ def overwrite_params_with_dag_run_conf(self, params,
dag_run):
if dag_run and dag_run.conf:
params.update(dag_run.conf)
- def render_templates(self, context=None):
- task = self.task
+ def render_templates(self, context=None) -> None:
+ """Render templates in the operator fields."""
if not context:
context = self.get_template_context()
- if hasattr(self, 'task') and hasattr(self.task, 'dag'):
- if self.task.dag.user_defined_macros:
- context.update(self.task.dag.user_defined_macros)
+ if self.task.dag.user_defined_macros:
+ context.update(self.task.dag.user_defined_macros)
- rt = self.task.render_template # shortcut to method
- for attr in task.__class__.template_fields:
- content = getattr(task, attr)
+ # Jinja template all fields in task.template_fields
+ for attr in self.task.template_fields:
+ content = getattr(self.task, attr)
if content:
- rendered_content = rt(attr, content, context)
- setattr(task, attr, rendered_content)
+ rendered_content = self.task.render_template(content, context)
+ setattr(self.task, attr, rendered_content)
Review comment:
Good point, will move around some code tonight.
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