ai/server/model_workers/minimax.py

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2023-12-14 14:26:13 +08:00
from server.model_workers.base import ApiModelWorker
from fastchat import conversation as conv
import sys
import json
from server.utils import get_httpx_client
from pprint import pprint
from typing import List, Dict
class MiniMaxWorker(ApiModelWorker):
BASE_URL = 'https://api.minimax.chat/v1/text/chatcompletion{pro}?GroupId={group_id}'
def __init__(
self,
*,
model_names: List[str] = ["minimax-api"],
controller_addr: str,
worker_addr: str,
**kwargs,
):
kwargs.update(model_names=model_names, controller_addr=controller_addr, worker_addr=worker_addr)
kwargs.setdefault("context_len", 16384)
super().__init__(**kwargs)
# TODO: 确认模板是否需要修改
self.conv = conv.Conversation(
name=self.model_names[0],
system_message="",
messages=[],
roles=["USER", "BOT"],
sep="\n### ",
stop_str="###",
)
def prompt_to_messages(self, prompt: str) -> List[Dict]:
result = super().prompt_to_messages(prompt)
messages = [{"sender_type": x["role"], "text": x["content"]} for x in result]
return messages
def generate_stream_gate(self, params):
# 按照官网推荐直接调用abab 5.5模型
# TODO: 支持指定回复要求支持指定用户名称、AI名称
super().generate_stream_gate(params)
config = self.get_config()
group_id = config.get("group_id")
api_key = config.get("api_key")
pro = "_pro" if config.get("is_pro") else ""
headers = {
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json",
}
data = {
"model": "abab5.5-chat",
"stream": True,
"tokens_to_generate": 1024, # TODO: 1024为官网默认值
"mask_sensitive_info": True,
"messages": self.prompt_to_messages(params["prompt"]),
"temperature": params.get("temperature"),
"top_p": params.get("top_p"),
"bot_setting": [],
}
print("request data sent to minimax:")
pprint(data)
with get_httpx_client() as client:
response = client.stream("POST",
self.BASE_URL.format(pro=pro, group_id=group_id),
headers=headers,
json=data)
with response as r:
text = ""
for e in r.iter_text():
if e.startswith("data: "): # 真是优秀的返回
data = json.loads(e[6:])
if not data.get("usage"):
if choices := data.get("choices"):
chunk = choices[0].get("delta", "").strip()
if chunk:
print(chunk)
text += chunk
yield json.dumps({"error_code": 0, "text": text}, ensure_ascii=False).encode() + b"\0"
def get_embeddings(self, params):
# TODO: 支持embeddings
print("embedding")
print(params)
if __name__ == "__main__":
import uvicorn
from server.utils import MakeFastAPIOffline
from fastchat.serve.model_worker import app
worker = MiniMaxWorker(
controller_addr="http://127.0.0.1:20001",
worker_addr="http://127.0.0.1:21002",
)
sys.modules["fastchat.serve.model_worker"].worker = worker
MakeFastAPIOffline(app)
uvicorn.run(app, port=21002)