Other functions

b2luigi.core.utils.product_dict(**kwargs: Any) → Iterator[Dict[str, Any]]

Cross-product the given parameters and return a list of dictionaries.

Example

>>> list(product_dict(arg_1=[1, 2], arg_2=[3, 4]))
[{'arg_1': 1, 'arg_2': 3}, {'arg_1': 1, 'arg_2': 4}, {'arg_1': 2, 'arg_2': 3}, {'arg_1': 2, 'arg_2': 4}]

The thus produced list can directly be used as inputs for a required tasks:

def requires(self):
    for args in product_dict(arg_1=[1, 2], arg_2=[3, 4]):
        yield some_task(**args)

Parameters

kwargs – Each keyword argument should be an iterable

Returns

A list of kwargs where each list of input keyword arguments is cross-multiplied with every other.