fix:调整目录结构,优化hfc prompt,移除日程,移除动态和llm判断willing模式,
This commit is contained in:
237
src/chat/utils/prompt_builder.py
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237
src/chat/utils/prompt_builder.py
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from typing import Dict, Any, Optional, List, Union
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import re
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from contextlib import asynccontextmanager
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import asyncio
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from src.common.logger import get_module_logger
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# import traceback
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from rich.traceback import install
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install(extra_lines=3)
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logger = get_module_logger("prompt_build")
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class PromptContext:
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def __init__(self):
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self._context_prompts: Dict[str, Dict[str, "Prompt"]] = {}
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self._current_context: Optional[str] = None
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self._context_lock = asyncio.Lock() # 添加异步锁
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@asynccontextmanager
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async def async_scope(self, context_id: str):
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"""创建一个异步的临时提示模板作用域"""
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async with self._context_lock:
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if context_id not in self._context_prompts:
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self._context_prompts[context_id] = {}
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previous_context = self._current_context
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self._current_context = context_id
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try:
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yield self
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finally:
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async with self._context_lock:
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self._current_context = previous_context
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async def get_prompt_async(self, name: str) -> Optional["Prompt"]:
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"""异步获取当前作用域中的提示模板"""
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async with self._context_lock:
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if self._current_context and name in self._context_prompts[self._current_context]:
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return self._context_prompts[self._current_context][name]
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return None
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async def register_async(self, prompt: "Prompt", context_id: Optional[str] = None) -> None:
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"""异步注册提示模板到指定作用域"""
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async with self._context_lock:
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target_context = context_id or self._current_context
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if target_context:
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self._context_prompts.setdefault(target_context, {})[prompt.name] = prompt
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class PromptManager:
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def __init__(self):
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self._prompts = {}
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self._counter = 0
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self._context = PromptContext()
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self._lock = asyncio.Lock()
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@asynccontextmanager
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async def async_message_scope(self, message_id: str):
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"""为消息处理创建异步临时作用域"""
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async with self._context.async_scope(message_id):
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yield self
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async def get_prompt_async(self, name: str) -> "Prompt":
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# 首先尝试从当前上下文获取
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context_prompt = await self._context.get_prompt_async(name)
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if context_prompt is not None:
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return context_prompt
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# 如果上下文中不存在,则使用全局提示模板
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async with self._lock:
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if name not in self._prompts:
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raise KeyError(f"Prompt '{name}' not found")
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return self._prompts[name]
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def generate_name(self, template: str) -> str:
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"""为未命名的prompt生成名称"""
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self._counter += 1
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return f"prompt_{self._counter}"
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def register(self, prompt: "Prompt") -> None:
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"""注册一个prompt"""
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if not prompt.name:
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prompt.name = self.generate_name(prompt.template)
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self._prompts[prompt.name] = prompt
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def add_prompt(self, name: str, fstr: str) -> "Prompt":
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prompt = Prompt(fstr, name=name)
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self._prompts[prompt.name] = prompt
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return prompt
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async def format_prompt(self, name: str, **kwargs) -> str:
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prompt = await self.get_prompt_async(name)
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return prompt.format(**kwargs)
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# 全局单例
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global_prompt_manager = PromptManager()
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class Prompt(str):
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# 临时标记,作为类常量
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_TEMP_LEFT_BRACE = "__ESCAPED_LEFT_BRACE__"
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_TEMP_RIGHT_BRACE = "__ESCAPED_RIGHT_BRACE__"
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@staticmethod
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def _process_escaped_braces(template: str) -> str:
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"""处理模板中的转义花括号,将 \{ 和 \} 替换为临时标记"""
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return template.replace("\\{", Prompt._TEMP_LEFT_BRACE).replace("\\}", Prompt._TEMP_RIGHT_BRACE)
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@staticmethod
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def _restore_escaped_braces(template: str) -> str:
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"""将临时标记还原为实际的花括号字符"""
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return template.replace(Prompt._TEMP_LEFT_BRACE, "{").replace(Prompt._TEMP_RIGHT_BRACE, "}")
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def __new__(cls, fstr: str, name: Optional[str] = None, args: Union[List[Any], tuple[Any, ...]] = None, **kwargs):
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# 如果传入的是元组,转换为列表
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if isinstance(args, tuple):
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args = list(args)
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should_register = kwargs.pop("_should_register", True)
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# 预处理模板中的转义花括号
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processed_fstr = cls._process_escaped_braces(fstr)
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# 解析模板
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template_args = []
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result = re.findall(r"\{(.*?)}", processed_fstr)
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for expr in result:
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if expr and expr not in template_args:
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template_args.append(expr)
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# 如果提供了初始参数,立即格式化
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if kwargs or args:
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formatted = cls._format_template(fstr, args=args, kwargs=kwargs)
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obj = super().__new__(cls, formatted)
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else:
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obj = super().__new__(cls, "")
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obj.template = fstr
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obj.name = name
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obj.args = template_args
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obj._args = args or []
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obj._kwargs = kwargs
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# 修改自动注册逻辑
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if should_register:
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if global_prompt_manager._context._current_context:
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# 如果存在当前上下文,则注册到上下文中
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# asyncio.create_task(global_prompt_manager._context.register_async(obj))
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pass
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else:
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# 否则注册到全局管理器
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global_prompt_manager.register(obj)
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return obj
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@classmethod
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async def create_async(
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cls, fstr: str, name: Optional[str] = None, args: Union[List[Any], tuple[Any, ...]] = None, **kwargs
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):
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"""异步创建Prompt实例"""
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prompt = cls(fstr, name, args, **kwargs)
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if global_prompt_manager._context._current_context:
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await global_prompt_manager._context.register_async(prompt)
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return prompt
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@classmethod
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def _format_template(cls, template: str, args: List[Any] = None, kwargs: Dict[str, Any] = None) -> str:
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# 预处理模板中的转义花括号
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processed_template = cls._process_escaped_braces(template)
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template_args = []
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result = re.findall(r"\{(.*?)}", processed_template)
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for expr in result:
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if expr and expr not in template_args:
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template_args.append(expr)
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formatted_args = {}
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formatted_kwargs = {}
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# 处理位置参数
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if args:
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# print(len(template_args), len(args), template_args, args)
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for i in range(len(args)):
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if i < len(template_args):
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arg = args[i]
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if isinstance(arg, Prompt):
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formatted_args[template_args[i]] = arg.format(**kwargs)
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else:
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formatted_args[template_args[i]] = arg
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else:
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logger.error(
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f"构建提示词模板失败,解析到的参数列表{template_args},长度为{len(template_args)},输入的参数列表为{args},提示词模板为{template}"
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)
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raise ValueError("格式化模板失败")
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# 处理关键字参数
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if kwargs:
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for key, value in kwargs.items():
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if isinstance(value, Prompt):
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remaining_kwargs = {k: v for k, v in kwargs.items() if k != key}
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formatted_kwargs[key] = value.format(**remaining_kwargs)
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else:
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formatted_kwargs[key] = value
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try:
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# 先用位置参数格式化
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if args:
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processed_template = processed_template.format(**formatted_args)
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# 再用关键字参数格式化
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if kwargs:
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processed_template = processed_template.format(**formatted_kwargs)
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# 将临时标记还原为实际的花括号
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result = cls._restore_escaped_braces(processed_template)
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return result
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except (IndexError, KeyError) as e:
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raise ValueError(
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f"格式化模板失败: {template}, args={formatted_args}, kwargs={formatted_kwargs} {str(e)}"
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) from e
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def format(self, *args, **kwargs) -> "str":
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"""支持位置参数和关键字参数的格式化,使用"""
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ret = type(self)(
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self.template,
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self.name,
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args=list(args) if args else self._args,
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_should_register=False,
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**kwargs if kwargs else self._kwargs,
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)
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# print(f"prompt build result: {ret} name: {ret.name} ")
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return str(ret)
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def __str__(self) -> str:
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if self._kwargs or self._args:
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return super().__str__()
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return self.template
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def __repr__(self) -> str:
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return f"Prompt(template='{self.template}', name='{self.name}')"
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