ashb commented on a change in pull request #5673: [AIRFLOW-4451] Allow
templated named tuples
URL: https://github.com/apache/airflow/pull/5673#discussion_r308328529
##########
File path: airflow/models/baseoperator.py
##########
@@ -646,6 +646,12 @@ def render_template_from_field(self, attr, content,
context, jinja_env):
rt = self.render_template
if isinstance(content, str):
result = jinja_env.from_string(content).render(**context)
+ elif isinstance(content, tuple):
+ if type(content) is not tuple:
+ # Special case for named tuples
+ result = content.__class__(*(rt(attr, e, context) for e in
content))
+ else:
+ result = (rt(attr, e, context) for e in content)
elif isinstance(content, (list, tuple)):
Review comment:
```suggestion
elif isinstance(content, list):
```
It can't be a tuple anymore - that is handled by the previous elif you've
just added
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