60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
#novel_generator/common.py
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# -*- coding: utf-8 -*-
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"""
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通用重试、清洗、日志工具
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"""
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import logging
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import re
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import time
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import traceback
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def call_with_retry(func, max_retries=3, sleep_time=2, fallback_return=None, **kwargs):
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"""
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通用的重试机制封装。
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:param func: 要执行的函数
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:param max_retries: 最大重试次数
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:param sleep_time: 重试前的等待秒数
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:param fallback_return: 如果多次重试仍失败时的返回值
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:param kwargs: 传给func的命名参数
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:return: func的结果，若失败则返回 fallback_return
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"""
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for attempt in range(1, max_retries + 1):
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try:
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return func(**kwargs)
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except Exception as e:
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logging.warning(f"[call_with_retry] Attempt {attempt} failed with error: {e}")
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traceback.print_exc()
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if attempt < max_retries:
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time.sleep(sleep_time)
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else:
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logging.error("Max retries reached, returning fallback_return.")
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return fallback_return
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def remove_think_tags(text: str) -> str:
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"""移除 <think>...</think> 包裹的内容"""
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return re.sub(r'<think>.*?</think>', '', text, flags=re.DOTALL)
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def debug_log(prompt: str, response_content: str):
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logging.info(
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f"\n[######################################### Prompt #########################################]\n{prompt}\n"
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)
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logging.info(
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f"\n[######################################### Response #########################################]\n{response_content}\n"
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)
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def invoke_with_cleaning(llm_adapter, prompt: str) -> str:
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"""
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调用 LLM，增加重试和清洗逻辑
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如果多次失败，则返回空字符串以继续流程，而不是中断。
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"""
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def _invoke(prompt):
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return llm_adapter.invoke(prompt)
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response = call_with_retry(func=_invoke, max_retries=3, fallback_return="", prompt=prompt)
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if not response:
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logging.warning("No response from model after retry. Return empty.")
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return ""
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cleaned_text = remove_think_tags(response)
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debug_log(prompt, cleaned_text)
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return cleaned_text.strip()
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