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zero_shot.py
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zero_shot.py
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import json
import argparse
import torch
from tqdm import tqdm
from sklearn.dummy import DummyClassifier
from sklearn.metrics import accuracy_score
from sklearn.metrics import matthews_corrcoef
from transformers import AutoTokenizer, AutoModelForSequenceClassification
def read_file(path, mode="r", **kwargs):
with open(path, mode=mode, **kwargs) as f:
return f.read()
def write_file(data, path, mode="w", **kwargs):
with open(path, mode=mode, **kwargs) as f:
f.write(data)
def read_json(path, mode="r", **kwargs):
return json.loads(read_file(path, mode=mode, **kwargs))
def write_json(data, path):
return write_file(json.dumps(data, indent=2), path)
def read_jsonl(path, mode="r", **kwargs):
# Manually open because .splitlines is different from iterating over lines
ls = []
with open(path, mode, **kwargs) as f:
for line in f:
ls.append(json.loads(line))
return ls
def to_jsonl(data):
return json.dumps(data).replace("\n", "")
def write_jsonl(data, path):
assert isinstance(data, list)
lines = [to_jsonl(elem) for elem in data]
write_file("\n".join(lines), path)
def count_binary_labels(datalist):
num_ent = 0
num_nent = 0
for data in datalist:
if data['gold_label'] == "entailed":
num_ent += 1
if data['gold_label'] == "not-entailed":
num_nent += 1
return max(num_ent, num_nent) / len(datalist)
def count_triple_labels(datalist):
num_ent = 0
num_con = 0
num_neu = 0
for data in datalist:
if data['gold_label'] == "entailment":
num_ent += 1
if data['gold_label'] == "contradiction":
num_con += 1
if data['gold_label'] == "neutral":
num_neu += 1
return max(num_ent, num_con, num_neu) / len(datalist)
def model_test(model, tokenizer, test_data, classes, majority=False):
premises = []
hypothesis = []
labels = []
for data in test_data:
premises.append(data["premise"])
hypothesis.append(data["hypothesis"])
labels.append(classes.index(data["gold_label"]))
if majority:
dummy_clf = DummyClassifier(strategy="most_frequent")
dummy_clf.fit(premises, labels)
preds = dummy_clf.predict(premises)
acc = dummy_clf.score(preds, labels)
mcc = matthews_corrcoef(preds, labels)
else:
preds = []
for i in tqdm(range(len(premises))): # premises[i],
test_sentence = tokenizer(
premises[i], hypothesis[i], max_length=512,
truncation=True, return_tensors="pt")
test_sentence.to('cuda')
logits = model(**test_sentence).logits
out = torch.softmax(logits, dim=1)
pred = torch.argmax(out).cpu().numpy()
if len(classes) == 2:
pred = min(1, pred)
preds.append(pred)
acc = accuracy_score(labels, preds)
mcc = matthews_corrcoef(labels, preds)
return acc, mcc
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--category", type=str, default="logical",
help="zero-shot category name")
parser.add_argument("--model", type=str, default="logical",
help="zero-shot model name")
parser.add_argument("--majority", action="store_true",
help="calculate majority baseline")
args = parser.parse_args()
model_dict = {
"bert_base": "textattack/bert-base-uncased-MNLI",
"bert_large": "sentence-transformers/bert-large-nli-mean-tokens",
"roberta_base": "textattack/roberta-base-MNLI",
"mnli_roberta": "roberta-large-mnli",
"deberta_base": "microsoft/deberta-base-mnli",
"mnli_bart": "textattack/facebook-bart-large-MNLI",
"anli_roberta": "ynie/roberta-large-snli_mnli_fever_anli_R1_R2_R3-nli",
"anli_xlnet": "ynie/xlnet-large-cased-snli_mnli_fever_anli_R1_R2_R3-nli",
"anli_roberta_small": "MoritzLaurer/DeBERTa-v3-base-mnli-fever-anli",
}
if args.majority:
model_name = "majority"
model = None
tokenizer = None
else:
model_name = model_dict[args.model]
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForSequenceClassification.from_pretrained(model_name)
model.cuda()
category = args.category
category_map = {
"commonnli": {
"task_names": [
"boolean", "comparative", "conditional",
"counting", "negation", "quantifier",
],
"classes": ["entailment", "neutral", "contradiction"]
},
"commonnli2": {
"task_names": [
"control"
],
"classes": ["entailment", "neutral", "contradiction"]
},
"binarynli": {
"task_names": [
"transitive", "hypernymy", "hyponymy",
"ner", "verbcorner", "verbnet",
"syntactic_alternation", "syntactic_variation",
"monotonicity_infer", "syllogism",
"coreference", "puns", "sentiment",
"kg_relations", "context_align", "sprl",
"atomic", "social_chem", "socialqa", "physicalqa",
"logiqa", "ester", "cosmoqa", "drop",
"entailment_tree", "proof_writer",
"temporal", "spatial", "counterfactual"
],
"classes": ["entailed", "not-entailed"]
},
"binarynli2": {
"task_names": [
"temporal", "atomic", "analytic", "hellaswag"
],
"classes": ["entailed", "not-entailed"]
},
"high_level": {
"task_names": [
"lexical_inference", "syntactic_inference", "logical_inference",
"semantic_inference", "commonsense_inference"],
"classes": ["entailed", "not-entailed"]
}
}
task_names = category_map[category]['task_names']
classes = category_map[category]['classes']
nli_eval = {}
for task in task_names:
print(f"Evaluating on {task} ...")
test_data = read_jsonl(f"/content/tasks/curriculum/{task}/val.jsonl")
acc, mcc = model_test(
model, tokenizer,
test_data=test_data,
classes=classes,
majority=args.majority
)
nli_eval[task] = {
"acc": acc,
"mcc": mcc
}
print(f"Evaluation Result for {task}:")
print(nli_eval[task])
write_json(
nli_eval, f"./runs/zero-shot/{args.model}/{category}_eval.json")
print(nli_eval)
write_json(nli_eval, f"./runs/zero-shot/{args.model}/{category}_eval.json")