Files
DB-GPT/pilot/server/chat_adapter.py
2023-06-05 16:27:52 +08:00

132 lines
3.2 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from functools import cache
from typing import List
from pilot.model.llm_out.vicuna_base_llm import generate_stream
class BaseChatAdpter:
"""The Base class for chat with llm models. it will match the model,
and fetch output from model"""
def match(self, model_path: str):
return True
def get_generate_stream_func(self):
"""Return the generate stream handler func"""
pass
llm_model_chat_adapters: List[BaseChatAdpter] = []
def register_llm_model_chat_adapter(cls):
"""Register a chat adapter"""
llm_model_chat_adapters.append(cls())
@cache
def get_llm_chat_adapter(model_path: str) -> BaseChatAdpter:
"""Get a chat generate func for a model"""
for adapter in llm_model_chat_adapters:
if adapter.match(model_path):
return adapter
raise ValueError(f"Invalid model for chat adapter {model_path}")
class VicunaChatAdapter(BaseChatAdpter):
"""Model chat Adapter for vicuna"""
def match(self, model_path: str):
return "vicuna" in model_path
def get_generate_stream_func(self):
return generate_stream
class ChatGLMChatAdapter(BaseChatAdpter):
"""Model chat Adapter for ChatGLM"""
def match(self, model_path: str):
return "chatglm" in model_path
def get_generate_stream_func(self):
from pilot.model.llm_out.chatglm_llm import chatglm_generate_stream
return chatglm_generate_stream
class GuanacoChatAdapter(BaseChatAdpter):
"""Model chat adapter for Guanaco"""
def match(self, model_path: str):
return "guanaco" in model_path
def get_generate_stream_func(self):
from pilot.model.llm_out.guanaco_stream_llm import (
guanaco_stream_generate_output,
)
return guanaco_generate_output
class CodeT5ChatAdapter(BaseChatAdpter):
"""Model chat adapter for CodeT5"""
def match(self, model_path: str):
return "codet5" in model_path
def get_generate_stream_func(self):
# TODO
pass
class CodeGenChatAdapter(BaseChatAdpter):
"""Model chat adapter for CodeGen"""
def match(self, model_path: str):
return "codegen" in model_path
def get_generate_stream_func(self):
# TODO
pass
class GuanacoChatAdapter(BaseChatAdpter):
"""Model chat adapter for Guanaco"""
def match(self, model_path: str):
return "guanaco" in model_path
def get_generate_stream_func(self):
from pilot.model.llm_out.guanaco_llm import guanaco_generate_stream
return guanaco_generate_stream
class ProxyllmChatAdapter(BaseChatAdpter):
def match(self, model_path: str):
return "proxyllm" in model_path
def get_generate_stream_func(self):
from pilot.model.llm_out.proxy_llm import proxyllm_generate_stream
return proxyllm_generate_stream
register_llm_model_chat_adapter(VicunaChatAdapter)
register_llm_model_chat_adapter(ChatGLMChatAdapter)
register_llm_model_chat_adapter(GuanacoChatAdapter)
# Proxy model for test and develop, it's cheap for us now.
register_llm_model_chat_adapter(ProxyllmChatAdapter)
register_llm_model_chat_adapter(BaseChatAdpter)