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169 lines
6.6 KiB
Python
169 lines
6.6 KiB
Python
10 months ago
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import os
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from tqdm import tqdm
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import openai
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from evaluators.evaluator import Evaluator
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from time import sleep
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import re
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class ChatGPT_Evaluator(Evaluator):
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def __init__(self, choices, k, api_key,model_name):
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super(ChatGPT_Evaluator, self).__init__(choices, model_name, k)
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openai.api_key = api_key
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def format_example(self,line,include_answer=True,cot=False):
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example=line['question']
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for choice in self.choices:
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example+=f'\n{choice}. {line[f"{choice}"]}'
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example+='\n答案：'
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if include_answer:
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if cot:
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ans=line["answer"]
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content="让我们一步一步思考，\n"+line["explanation"]+f"\n所以答案是{ans}。"
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return [
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{"role":"user","content":example},
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{"role":"assistant","content":content}
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]
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else:
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return [
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{"role":"user","content":example},
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{"role":"assistant","content":line["answer"]}
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]
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else:
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return [
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{"role":"user","content":example},
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]
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def generate_few_shot_prompt(self, subject, dev_df, cot=False):
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prompt=[
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{
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"role":"system",
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"content":f"你是一个中文人工智能助手，以下是中国关于{subject}考试的单项选择题，请选出其中的正确答案。"
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}
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]
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k=self.k
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if self.k==-1:
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k=dev_df.shape[0]
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for i in range(k):
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tmp=self.format_example(dev_df.iloc[i,:],include_answer=True,cot=cot)
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if i==0:
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tmp[0]["content"]=f"以下是中国关于{subject}考试的单项选择题，请选出其中的正确答案。\n\n"+tmp[0]["content"]
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prompt+=tmp
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return prompt
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def eval_subject(self, subject_name, test_df, dev_df=None, few_shot=False, save_result_dir=None,cot=False):
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correct_num = 0
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if save_result_dir:
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result = []
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score=[]
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if few_shot:
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few_shot_prompt = self.generate_few_shot_prompt(subject_name, dev_df,cot=cot)
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else:
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few_shot_prompt=[
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{
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"role":"system",
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"content":f"你是一个中文人工智能助手，以下是中国关于{subject_name}考试的单项选择题，请选出其中的正确答案。"
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}
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]
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answers = list(test_df['answer'])
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for row_index, row in tqdm(test_df.iterrows(),total=len(test_df)):
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question = self.format_example(row, include_answer=False)
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full_prompt = few_shot_prompt + question
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if not few_shot:
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full_prompt[-1]["content"]=f"以下是中国关于{subject_name}考试的单项选择题，请选出其中的正确答案。\n\n"+full_prompt[-1]["content"]
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response=None
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timeout_counter=0
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while response is None and timeout_counter<=30:
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try:
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response = openai.ChatCompletion.create(
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model=self.model_name,
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messages=full_prompt,
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temperature=0.
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)
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except Exception as msg:
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if "timeout=600" in str(msg):
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timeout_counter+=1
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print(msg)
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sleep(5)
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continue
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if response==None:
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response_str=""
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else:
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response_str = response['choices'][0]['message']['content']
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#print(response_str)
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if cot:
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ans_list=re.findall(r"答案是(.+?)。",response_str)
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if len(ans_list)==0:
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ans_list=re.findall(r"答案为(.+?)。",response_str)
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if len(ans_list)==0:
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ans_list=re.findall(r"选项(.+?)是正确的。",response_str)
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if len(ans_list)==0:
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correct=0
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else:
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if self.exact_match(ans_list[-1],row["answer"]):
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correct_num+=1
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correct=1
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else:
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correct=0
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else:
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response_str=response_str.strip()
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if few_shot:
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if len(response_str)>0:
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if self.exact_match(response_str,row["answer"]):
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correct_num+=1
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correct=1
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else:
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correct=0
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else:
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correct=0
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else:
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if len(response_str)>0:
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ans_list=self.extract_ans(response_str)
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if len(ans_list)>0 and (ans_list[-1]==row["answer"]):
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correct_num+=1
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correct=1
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else:
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correct=0
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else:
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correct=0
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if save_result_dir:
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result.append(response_str)
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score.append(correct)
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correct_ratio = 100*correct_num/len(answers)
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if save_result_dir:
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test_df['model_output']=result
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test_df["correctness"]=score
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test_df.to_csv(os.path.join(save_result_dir, f'{subject_name}_val.csv'),encoding="utf-8",index=False)
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return correct_ratio
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def extract_ans(self,response_str):
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pattern=[
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r"^选([A-D])",
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r"^选项([A-D])",
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r"答案是\s?选?项?\s?([A-D])",
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r"答案为\s?选?项?\s?([A-D])",
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r"答案应为\s?选?项?\s?([A-D])",
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r"答案选\s?选?项?\s?([A-D])",
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r"答案是:\s?选?项?\s?([A-D])",
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r"答案应该是:\s?选?项?\s?([A-D])",
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r"正确的一项是\s?([A-D])",
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r"答案为:\s?选?项?\s?([A-D])",
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r"答案应为:\s?选?项?\s?([A-D])",
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r"答案:\s?选?项?\s?([A-D])",
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r"答案是：\s?选?项?\s?([A-D])",
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r"答案应该是：\s?选?项?\s?([A-D])",
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r"答案为：\s?选?项?\s?([A-D])",
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r"答案应为：\s?选?项?\s?([A-D])",
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r"答案：\s?选?项?\s?([A-D])",
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]
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ans_list=[]
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if response_str[0] in ["A",'B','C','D']:
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ans_list.append(response_str[0])
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for p in pattern:
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if len(ans_list)==0:
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ans_list=re.findall(p,response_str)
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else:
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break
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return ans_list
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