TaggingOperation.py

from typing import List, Tuple

from interfaces.Operation import Operation

"""
Base Class for implementing the different input transformations a generation should be robust against.
"""


class TaggingOperation(Operation):
    """
    The base class for implementing tagging ({word_i,tag_i}* --> {word_j,tag_j}*) perturbations and transformations.

    "tasks" :: The tasks for which this perturbation is applicable. All the list of tasks are
    given in tasks.TaskType.

    "languages" :: The locales and/or languages for which this perturbation is applicable. eg. "es", "mr",
    "en_IN"
    """

    def generate(
        self, token_sequence: List[str], tag_sequence: List[str]
    ) -> List[Tuple[List[str], List[str]]]:
        raise NotImplementedError

    def filter(
        self, token_sequence: List[str], tag_sequence: List[str]
    ) -> bool:
        raise NotImplementedError