data_juicer.ops.grouper.key_value_grouper module¶

class data_juicer.ops.grouper.key_value_grouper.KeyValueGrouper(group_by_keys: List[str] | None = None, *args, **kwargs)[source]¶

Group samples to batched samples according values in given keys.

__init__(group_by_keys: List[str] | None = None, *args, **kwargs)[source]¶

Initialization method.

Parameters:

group_by_keys – group samples according values in the keys. Support for nested keys such as “__dj__stats__.text_len”. It is [self.text_key] in default.
args – extra args
kwargs – extra args

process(dataset)[source]¶

Dataset –> dataset.