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| """The 14 PTC-SemEval20 techniques, spelled exactly as in the official label files.""" | |
| from __future__ import annotations | |
| TECHNIQUES: tuple[str, ...] = ( | |
| "Appeal_to_Authority", | |
| "Appeal_to_fear-prejudice", | |
| "Bandwagon,Reductio_ad_hitlerum", | |
| "Black-and-White_Fallacy", | |
| "Causal_Oversimplification", | |
| "Doubt", | |
| "Exaggeration,Minimisation", | |
| "Flag-Waving", | |
| "Loaded_Language", | |
| "Name_Calling,Labeling", | |
| "Repetition", | |
| "Slogans", | |
| "Thought-terminating_Cliches", | |
| "Whataboutism,Straw_Men,Red_Herring", | |
| ) | |
| NONE_LABEL = "NONE" # D4: stage-1 false positives | |
| DISPLAY_NAMES = {t: t.replace("_", " ").replace(",", " / ") for t in TECHNIQUES} | |
| DISPLAY_NAMES[NONE_LABEL] = "None" | |
| def label_list(use_none: bool) -> list[str]: | |
| labels = list(TECHNIQUES) | |
| if use_none: | |
| labels.append(NONE_LABEL) | |
| return labels | |
| def validate_technique(name: str) -> str: | |
| if name not in TECHNIQUES and name != NONE_LABEL: | |
| raise ValueError( | |
| f"Unknown technique {name!r}. Expected one of the 14 PTC names " | |
| f"(check the label files weren't edited or re-encoded)." | |
| ) | |
| return name | |