feat: 增加deepseek

This commit is contained in:
朝夕 2026-04-28 05:35:29 +08:00
parent b62212d8bf
commit 99bd6f65d7
2 changed files with 59 additions and 14 deletions

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import re
import os
from typing import Type, TypeVar, Any, Generic
from pydantic import BaseModel, ValidationError
from pydantic_ai import Agent, RunContext
from pydantic_ai.models.openai import OpenAIChatModel
T = TypeVar('T', bound=BaseModel)
class DeepSeekReasonerAgent(Generic[T]):
"""
专为 DeepSeek-V4/R1 设计的适配器
将结构化输出降级为文本解析模式以规避工具调用(Tool Calling)的兼容性问题
"""
def __init__(
self,
model_id: str = "deepseek-v4-pro",
output_type: Type[T] = str,
system_prompt: str = "",
deps_type: Type[Any] = None
):
# 1. 强制声明输出为 str确保底层不发送 tools 字段
self.output_schema = output_type
# 2. 注入强制格式指令到 System Prompt
format_instruction = (
f"\n\nCRITICAL: 你必须输出且只能输出一段纯 JSON 格式的数据,"
f"并包裹在 ```json 和 ``` 之间。格式必须符合以下 Pydantic 模型结构:\n"
f"{self.output_schema.model_json_schema()}"
)
self.agent = Agent(
model=OpenAIChatModel(model_id),
output_type=str, # 内部通信用字符串
system_prompt=system_prompt + format_instruction,
deps_type=deps_type,
retries=0
)
async def run(self, user_prompt: str, deps: Any = None) -> T:
# 调用 PydanticAI 原生 run
result = await self.agent.run(user_prompt, deps=deps)
return self._parse_json(result.output)
def _parse_json(self, text: str) -> T:
# 使用正则提取 JSON 块
match = re.search(r'```json\s*(.*?)\s*```', text, re.DOTALL)
json_str = match.group(1).strip() if match else text
# 如果正则没抓到,尝试寻找首尾大括号
if not json_str.startswith('{'):
json_str = text[text.find('{'):text.rfind('}') + 1]
try:
return self.output_schema.model_validate_json(json_str)
except ValidationError as e:
raise ValueError(f"DeepSeek 返回格式非法: {e}\n原文: {text}")

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# Copyright 2026 zhaoxi826
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.