Files
2025-10-21 23:00:48 +08:00

99 lines
4.4 KiB
Python

# -- encoding: utf-8 --
"""
Description: 基于LLM通过用户设置维度和相应描述进行QA对评估
Create: 2023/11/7 9:26
"""
import json
import re
import time
from pathlib import Path
from typing import List, Dict, Any
from loguru import logger
from datamate.core.base_op import LLM
class QAConditionEvaluator(LLM):
def __init__(self, *args, **kwargs):
super(QAConditionEvaluator, self).__init__(*args, **kwargs)
self.pattern = r'结果[::] ?[YN]'
self.template_path = Path(__file__).parent / "resources/template.txt"
self.examples_path = Path(__file__).parent / "resources/examples.json"
self.task_id = kwargs.get("taskId", "default_id")
self.dimensions = kwargs.get("dimension", [
{
"dimension": "回答是否有针对性",
"description": "回答应对问题中的所有疑问点提供正面、直接的回答,"
"不应引起疑惑。同时,答案不应有任何内容的遗漏,需构成一个完整的陈述。"
},
{
"dimension": "问题是否独立",
"description": "仅分析问题,问题的主体和客体都比较明确,即使有省略,也符合语言习惯。"
"在不需要补充其他信息的情况下不会引起疑惑。"
},
{
"dimension": "语法是否错误",
"description": "问题为疑问句,答案为陈述句; 不存在词语搭配不当的情况;连接词和标点符号不存在错用情况;"
"逻辑混乱的情况不存在;语法结构都正确且完整;"
}
])
self.llm = self.get_llm(*args, **kwargs)
self.prompts = self.build_llm_prompt(*args, **kwargs)
@staticmethod
def _process_examples(dimension_example: List) -> str:
if not dimension_example:
return "\n"
res = "\n以下是一些案例供你参考:"
for single_example in dimension_example:
res += (f"\n问题:{single_example['question']}"
f"\n回答:{single_example['answer']}"
f"\n分析思路:{single_example['evaluate']}"
f"\n结果:{single_example['result']}\n")
return res
def execute(self, sample: Dict[str, Any]) -> Dict[str, Any]:
start = time.time()
qas = json.loads(sample[self.text_key])
single_content_res = []
for qa in qas:
single_qa_res = []
for dimension, prompt in self.prompts.items():
local_result = self._llm_call_parse(qa, prompt, retry=2)
single_qa_res.append({"dimension": dimension, "result": local_result})
qa_response = {"qaId": qa["qaId"], "result": single_qa_res}
single_content_res.append(qa_response)
sample[self.text_key] = "Sucess"
self.save_sample(single_content_res, sample)
cost_time = time.time() - start
logger.info(f"task id: {self.task_id}, method: QAConditionEvaluator costs {cost_time:.6f} s")
return sample
def build_llm_prompt(self, *args, **kwargs) -> Dict:
templates = self.template_path.read_text(encoding="utf-8")
examples_dict = json.loads(self.examples_path.read_text(encoding="utf-8"))
prompts_dict = {}
for dimension in self.dimensions:
name, des = dimension["dimension"], dimension["description"]
dimension_example = self._process_examples(examples_dict.get(name))
dimension_prompt = templates.format(criterion=des, examples=dimension_example, question="{question}",
answer="{answer}")
prompts_dict[name] = dimension_prompt
return prompts_dict
def _llm_call_parse(self, data: Dict, prompt: str, retry: int = 2):
try:
for _ in range(retry):
response = self.llm(prompt.format(question=data["question"], answer=data["answer"]))
result = re.findall(self.pattern, response)
if result:
return "Y" in result[0]
except RuntimeError as e:
logger.error(f"method: QAConditionEvaluator execution error, cause by {e}")
return False