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raise warning (not error) when too few samples to attack

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Jack Morris
2020-07-07 22:08:51 -04:00
parent 7e3b90e979
commit 58609feac1
2 changed files with 10 additions and 8 deletions
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2
textattack/commands/attack/attack_args_helpers.py
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@@ -428,7 +428,7 @@ def parse_logger_from_args(args):
color_method = None if args.enable_csv == "plain" else "file"
csv_path = os.path.join(args.out_dir, outfile_name)
attack_log_manager.add_output_csv(csv_path, color_method)
print("Logging to CSV at path {}.".format(csv_path))
textattack.shared.logger.info(f"Logging to CSV at path {csv_path}.")
# Visdom
if args.enable_visdom:

16
textattack/shared/attack.py
View File

@@ -205,15 +205,16 @@ class Attack:
Gets examples from a dataset and tokenizes them.
Args:
dataset: An iterable of (text, ground_truth_output) pairs
dataset: An iterable of (text_input, ground_truth_output) pairs
indices: An iterable of indices of the dataset that we want to attack. If None, attack all samples in dataset.
Returns:
results (Iterable[GoalFunctionResult]): an iterable of GoalFunctionResults of the original examples
"""
indices = indices if indices else deque(range(len(dataset)))
indices = indices or range(len(dataset))
if not isinstance(indices, deque):
indices = deque(indices)
indices = deque(sorted(indices))
if not indices:
return
yield
@@ -221,14 +222,14 @@ class Attack:
while indices:
i = indices.popleft()
try:
text, ground_truth_output = dataset[i]
text_input, ground_truth_output = dataset[i]
try:
# get label names from dataset, if possible
label_names = dataset.label_names
except AttributeError:
label_names = None
attacked_text = AttackedText(
text, attack_attrs={"label_names": label_names}
text_input, attack_attrs={"label_names": label_names}
)
goal_function_result, _ = self.goal_function.init_attack_example(
attacked_text, ground_truth_output
@@ -236,9 +237,10 @@ class Attack:
yield goal_function_result
except IndexError:
raise IndexError(
f"Out of bounds access of dataset. Size of data is {len(dataset)} but tried to access index {i}"
utils.logger.warn(
f"Dataset has {len(dataset)} samples but tried to access index {i}. Ending attack early."
)
break
def attack_dataset(self, dataset, indices=None):
"""