[全量] 初始化项目代码、配置、文档及Agent协同harness
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170
langchain-chat/server/model_workers/minimax.py
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170
langchain-chat/server/model_workers/minimax.py
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from fastchat.conversation import Conversation
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from server.model_workers.base import *
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from fastchat import conversation as conv
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import sys
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import json
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from server.model_workers.base import ApiEmbeddingsParams
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from server.utils import get_httpx_client
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from typing import List, Dict
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from configs import logger, log_verbose
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class MiniMaxWorker(ApiModelWorker):
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DEFAULT_EMBED_MODEL = "embo-01"
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def __init__(
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self,
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*,
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model_names: List[str] = ["minimax-api"],
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controller_addr: str = None,
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worker_addr: str = None,
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version: str = "abab5.5-chat",
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**kwargs,
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):
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kwargs.update(model_names=model_names, controller_addr=controller_addr, worker_addr=worker_addr)
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kwargs.setdefault("context_len", 16384)
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super().__init__(**kwargs)
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self.version = version
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def validate_messages(self, messages: List[Dict]) -> List[Dict]:
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role_maps = {
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"USER": self.user_role,
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"assistant": self.ai_role,
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"system": "system",
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}
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messages = [{"sender_type": role_maps[x["role"]], "text": x["content"]} for x in messages]
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return messages
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def do_chat(self, params: ApiChatParams) -> Dict:
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# 按照官网推荐，直接调用abab 5.5模型
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params.load_config(self.model_names[0])
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url = 'https://api.minimax.chat/v1/text/chatcompletion{pro}?GroupId={group_id}'
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pro = "_pro" if params.is_pro else ""
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headers = {
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"Authorization": f"Bearer {params.api_key}",
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"Content-Type": "application/json",
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}
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messages = self.validate_messages(params.messages)
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data = {
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"model": params.version,
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"stream": True,
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"mask_sensitive_info": True,
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"messages": messages,
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"temperature": params.temperature,
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"top_p": params.top_p,
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"tokens_to_generate": params.max_tokens or 1024,
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# 以下参数为minimax特有，传入空值会出错。
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# "prompt": params.system_message or self.conv.system_message,
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# "bot_setting": [],
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# "role_meta": params.role_meta,
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}
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if log_verbose:
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logger.info(f'{self.__class__.__name__}:data: {data}')
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logger.info(f'{self.__class__.__name__}:url: {url.format(pro=pro, group_id=params.group_id)}')
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logger.info(f'{self.__class__.__name__}:headers: {headers}')
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with get_httpx_client() as client:
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response = client.stream("POST",
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url.format(pro=pro, group_id=params.group_id),
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headers=headers,
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json=data)
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with response as r:
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text = ""
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for e in r.iter_text():
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if not e.startswith("data: "):
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data = {
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"error_code": 500,
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"text": f"minimax返回错误的结果：{e}",
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"error": {
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"message": f"minimax返回错误的结果：{e}",
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"type": "invalid_request_error",
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"param": None,
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"code": None,
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}
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}
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self.logger.error(f"请求 MiniMax API 时发生错误：{data}")
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yield data
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continue
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data = json.loads(e[6:])
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if data.get("usage"):
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break
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if choices := data.get("choices"):
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if chunk := choices[0].get("delta", ""):
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text += chunk
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yield {"error_code": 0, "text": text}
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def do_embeddings(self, params: ApiEmbeddingsParams) -> Dict:
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params.load_config(self.model_names[0])
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url = f"https://api.minimax.chat/v1/embeddings?GroupId={params.group_id}"
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headers = {
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"Authorization": f"Bearer {params.api_key}",
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"Content-Type": "application/json",
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}
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data = {
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"model": params.embed_model or self.DEFAULT_EMBED_MODEL,
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"texts": [],
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"type": "query" if params.to_query else "db",
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}
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if log_verbose:
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logger.info(f'{self.__class__.__name__}:data: {data}')
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logger.info(f'{self.__class__.__name__}:url: {url}')
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logger.info(f'{self.__class__.__name__}:headers: {headers}')
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with get_httpx_client() as client:
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result = []
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i = 0
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batch_size = 10
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while i < len(params.texts):
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texts = params.texts[i:i+batch_size]
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data["texts"] = texts
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r = client.post(url, headers=headers, json=data).json()
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if embeddings := r.get("vectors"):
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result += embeddings
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elif error := r.get("base_resp"):
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data = {
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"code": error["status_code"],
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"msg": error["status_msg"],
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"error": {
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"message": error["status_msg"],
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"type": "invalid_request_error",
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"param": None,
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"code": None,
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}
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}
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self.logger.error(f"请求 MiniMax API 时发生错误：{data}")
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return data
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i += batch_size
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return {"code": 200, "data": result}
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def get_embeddings(self, params):
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print("embedding")
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print(params)
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def make_conv_template(self, conv_template: str = None, model_path: str = None) -> Conversation:
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return conv.Conversation(
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name=self.model_names[0],
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system_message="你是MiniMax自主研发的大型语言模型，回答问题简洁有条理。",
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messages=[],
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roles=["USER", "BOT"],
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sep="\n### ",
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stop_str="###",
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)
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if __name__ == "__main__":
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import uvicorn
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from server.utils import MakeFastAPIOffline
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from fastchat.serve.model_worker import app
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worker = MiniMaxWorker(
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controller_addr="http://127.0.0.1:20001",
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worker_addr="http://127.0.0.1:21002",
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)
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sys.modules["fastchat.serve.model_worker"].worker = worker
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MakeFastAPIOffline(app)
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uvicorn.run(app, port=21002)
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