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https://github.com/QData/TextAttack.git
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162c22dd37
Conflicts: textattack/attacks/attack.py textattack/constraints/constraint.py textattack/constraints/semantics/universal_sentence_encoder.py textattack/perturbations/perturbation.py textattack/transformations/word_swap.py textattack/transformations/word_swap_counterfit.py
20 lines
570 B
Python
20 lines
570 B
Python
""" Abstract classes represent constraints on text adversarial examples.
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"""
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class Constraint:
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"""
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An abstract class that represents constraints on adversial text examples.
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A constraint evaluates if (x,x_adv) meets a certain constraint.
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"""
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def call_many(self, x, x_adv_list, original_text=None):
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""" Filters x_adv_list to x_adv where C(x,x_adv) is true.
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"""
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raise NotImplementedError()
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def __call__(self, x, x_adv):
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""" Returns True if C(x,x_adv) is true. """
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raise NotImplementedError()
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