uranusjr commented on issue #24021:
URL: https://github.com/apache/airflow/issues/24021#issuecomment-1141516682
An alternative to `expand_kwargs` is to overload `expand` like this:
```python
# Assuming: vals_a=[1, 2], vals_b=[3, 4], vals_c=[5, 6]
FooOperator.expand(a=vals_a, b=vals_b, c=vals_c)
# FooOperator(a=1, b=3, c=5)
# FooOperator(a=2, b=4, c=6)
# Assuming: kwargs1=[{"a": 1, "b": 3}, {"a": 2, "b": 4}], kwargs2=[{"c": 5},
{"c": 6}]
FooOperator.expand(kwargs1, kwargs2)
# Same result as above!
# This is an error; can't mix positional and keyword arguments in one call.
FooOperator.expand(kwargs2, a=vals_a)
```
This makes the syntax cleaner, but I’m not quite sure if it would be more
confusing to users.
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