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