OpenCompass/opencompass/datasets/mathbench.py
2023-11-20 19:40:41 +08:00

107 lines
3.2 KiB
Python

import copy
import json
import os.path as osp
import re
from datasets import Dataset
from opencompass.registry import LOAD_DATASET, TEXT_POSTPROCESSORS
from .base import BaseDataset
def get_number(options):
result_string = ''
for i, option in enumerate(options, start=ord('A')):
result_string += f'{chr(i)}. {option}\n'
return result_string
def get_circular_example(entry, id):
"""For given example, generate four circular examples."""
# Only 4 options is supported for current circular eval.
circular_patterns = ['ABCD', 'BCDA', 'CDAB', 'DABC']
data = []
for c in circular_patterns:
line = copy.deepcopy(entry)
options = []
for i in range(4):
options.append(line['options'][ord(c[i]) - ord('A')])
line['options'] = options
line['answer'] = {
c[0]: 'A',
c[1]: 'B',
c[2]: 'C',
c[3]: 'D'
}[line['answer']]
line['answer'] = str(id) + '--' + line['answer'] + '--' + c
line['question'] = line['question'].strip() + '\n' + get_number(
line['options'])
data.append(line)
return data
@LOAD_DATASET.register_module()
class MathBenchDataset(BaseDataset):
@staticmethod
def load(path: str, name: str, with_circular: bool = True):
"""MathBenth Dataset.
Args:
path (str): Path of the mathbench dataset.
name (str): Name of the target subset.
with_circular (bool): Whether to create circular dataset for
single choice question. Defaults to True.
"""
data = []
filename = osp.join(path, f'{name}.jsonl')
with open(filename, 'r') as infile:
for id, line in enumerate(infile):
entry = json.loads(line)
if 'cloze' in name:
data.append({
'question': entry['question'].strip(),
'answer': entry['answer'].strip()
})
else:
if with_circular:
data.extend(get_circular_example(entry, id))
else:
question = entry['question'].strip(
) + '\n' + get_number(entry['options'])
info = {
'question': question,
'answer': entry['answer'].strip()
}
# For PPL evaluation
for i in range(4):
info[chr(ord('A') +
i)] = entry['options'][i].strip()
data.append(info)
dataset = Dataset.from_list(data)
return dataset
@TEXT_POSTPROCESSORS.register_module()
def mathbench_postprocess(text: str, name: str) -> str:
split = False
ans = text
if '_cn' in name:
ans_line = ans.split('答案是')
else:
ans_line = ans.split('The answer is')
if len(ans_line) != 1:
ans = ans_line[1].strip()
split = True
output = re.sub(r'(\d),(\d)', r'\1\2', ans)
numbers = re.findall(r'-?\d*\.?/?\d+|\d+', output)
if numbers:
return numbers[0] if split else numbers[-1]
return ans