sequence_label_field.py 文件源码

def __init__(self,
                 labels: Union[List[str], List[int]],
                 sequence_field: SequenceField,
                 label_namespace: str = 'labels') -> None:
        self.labels = labels
        self.sequence_field = sequence_field
        self._label_namespace = label_namespace
        self._indexed_labels = None
        self._maybe_warn_for_namespace(label_namespace)
        if len(labels) != sequence_field.sequence_length():
            raise ConfigurationError("Label length and sequence length "
                                     "don't match: %d and %d" % (len(labels), sequence_field.sequence_length()))

        if all([isinstance(x, int) for x in labels]):
            self._indexed_labels = labels

        elif not all([isinstance(x, str) for x in labels]):
            raise ConfigurationError("SequenceLabelFields must be passed either all "
                                     "strings or all ints. Found labels {} with "
                                     "types: {}.".format(labels, [type(x) for x in labels]))