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"""

AugmenterArgs Class

===================

"""

from dataclasses import dataclass

AUGMENTATION_RECIPE_NAMES = {

"wordnet": "textattack.augmentation.WordNetAugmenter",

"embedding": "textattack.augmentation.EmbeddingAugmenter",

"charswap": "textattack.augmentation.CharSwapAugmenter",

"eda": "textattack.augmentation.EasyDataAugmenter",

"checklist": "textattack.augmentation.CheckListAugmenter",

"clare": "textattack.augmentation.CLAREAugmenter",

"back_trans": "textattack.augmentation.BackTranslationAugmenter",

"back_transcription": "textattack.augmentation.BackTranscriptionAugmenter",

}

@dataclass

class AugmenterArgs:

"""Arguments for performing data augmentation.

Args:

input_csv (str): Path of input CSV file to augment.

output_csv (str): Path of CSV file to output augmented data.

"""

input_csv: str

output_csv: str

input_column: str

recipe: str = "embedding"

pct_words_to_swap: float = 0.1

transformations_per_example: int = 2

random_seed: int = 42

exclude_original: bool = False

overwrite: bool = False

interactive: bool = False

fast_augment: bool = False

high_yield: bool = False

enable_advanced_metrics: bool = False

@classmethod

def _add_parser_args(cls, parser):

parser.add_argument(

"--input-csv",

type=str,

help="Path of input CSV file to augment.",

)

parser.add_argument(

"--output-csv",

type=str,

help="Path of CSV file to output augmented data.",

)

parser.add_argument(

"--input-column",

"--i",

type=str,

help="CSV input column to be augmented",

)

parser.add_argument(

"--recipe",

"-r",

help="Name of augmentation recipe",

type=str,

default="embedding",

choices=AUGMENTATION_RECIPE_NAMES.keys(),

)

parser.add_argument(

"--pct-words-to-swap",

"--p",

help="Percentage of words to modify when generating each augmented example.",

type=float,

default=0.1,

)

parser.add_argument(

"--transformations-per-example",

"--t",

help="number of augmentations to return for each input",

type=int,

default=2,

)

parser.add_argument(

"--random-seed", default=42, type=int, help="random seed to set"

)

parser.add_argument(

"--exclude-original",

default=False,

action="store_true",

help="exclude original example from augmented CSV",

)

parser.add_argument(

"--overwrite",

default=False,

action="store_true",

help="overwrite output file, if it exists",

)

parser.add_argument(

"--interactive",

default=False,

action="store_true",

help="Whether to run attacks interactively.",

)

parser.add_argument(

"--high_yield",

default=False,

action="store_true",

help="run attacks with high yield.",

)

parser.add_argument(

"--fast_augment",

default=False,

action="store_true",

help="faster augmentation but may use only a few transformations.",

)

parser.add_argument(

"--enable_advanced_metrics",

default=False,

action="store_true",

help="return perplexity and USE score",

)

return parser