update server.model_workers.base.py/zhipu.py: 支持zhipuapi的stream 流式输出

This commit is contained in:
hzg0601 2023-09-05 23:13:42 +08:00
parent 0ea18314f2
commit 6f039cfdeb
2 changed files with 192 additions and 14 deletions

View File

@ -69,3 +69,164 @@ class ApiModelWorker(BaseModelWorker):
target=fastchat.serve.model_worker.heart_beat_worker, args=(self,), daemon=True,
)
self.heart_beat_thread.start()
def prompt_collator(self,
content_user: str = None,
role_user:str = "user",
content_assistant: str = None,
role_assistant: str = "assistant",
meta_prompt:List[Dict[str,str]] = [{"role":"system","content":"你是一个AI工具"}],
use_meta_prompt:bool=False):
prompt = []
if use_meta_prompt:
prompt += meta_prompt
if content_user:
prompt_dict = {"role": role_user, "content":content_user}
prompt.append(prompt_dict)
if content_assistant:
prompt_dict = {"role": role_assistant, "content":content_assistant}
prompt.append(prompt_dict)
return prompt
def create_oneshot(self,
message: List[Dict[str,str]]=[{"role":"user","content":"你好,你可以做什么"}],
model:str = "chatglm_pro",
top_p:float=0.7,
temperature:float=0.9,
**kwargs
):
response = self.zhipuai.model_api.invoke(
model = model,
prompt = message,
top_p = top_p,
temperature = temperature
)
if response["code"] == 200:
result = response["data"]["choices"][-1]["content"]
return json.dumps({"error_code": 0, "text": result}, ensure_ascii=False).encode() + b"\0"
else:
#TODO 确认openai的error code
print(f"error occurred, error code:{response['code']},error msg:{response['msg']}")
return json.dumps({"error_code": response['code'],
"text": f"error occurred, error code:{response['code']},error msg:{response['msg']}"
},
ensure_ascii=False).encode() + b"\0"
def create_stream(self,
message: List[Dict[str,str]]=[{"role":"user","content":"你好,你可以做什么"}],
model:str = "chatglm_pro",
top_p:float=0.7,
temperature:float=0.9,
**kwargs
):
response = self.zhipuai.model_api.sse_invoke(
model = model,
prompt = message,
top_p = top_p,
temperature = temperature,
incremental = True
)
for event in response.events():
if event.event == "add":
# yield event.data
yield json.dumps({"error_code": 0, "text": event.data}, ensure_ascii=False).encode() + b"\0"
elif event.event == "error" or event.event == "interrupted":
# return event.data
yield json.dumps({"error_code": 0, "text": event.data}, ensure_ascii=False).encode() + b"\0"
elif event.event == "finish":
# yield event.data
yield json.dumps({"error_code": 0, "text": event.data}, ensure_ascii=False).encode() + b"\0"
print(event.meta)
else:
print("Something get wrong with ZhipuAPILoader.create_chat_completion_stream")
print(event.data)
yield json.dumps({"error_code": 1, "text": event.data}, ensure_ascii=False).encode() + b"\0"
def create_chat_completion(self,
model: str = "chatglm_pro",
prompt:List[Dict[str,str]]=[{"role":"user","content":"你好,你可以做什么"}],
top_p:float=0.7,
temperature:float=0.9,
stream:bool=False):
if stream:
return self.create_stream(model=model,
message=prompt,
top_p=top_p,
temperature=temperature)
else:
return self.create_oneshot(model=model,
message=prompt,
top_p=top_p,
temperature=temperature)
async def acreate_chat_completion(self,
prompt: List[Dict[str,str]]=[{"role":"system","content":"你是一个人工智能助手"},
{"role":"user","content":"你好。"}],
model:str = "chatglm_pro",
top_p:float=0.7,
temperature:float=0.9,
**kwargs):
response = await self.zhipuai.model_api.async_invoke(
model = model,
prompt = prompt,
top_p = top_p,
temperature = temperature
)
if response["code"] == 200:
task_id = response['data']['task_id']
status = "PROCESSING"
while status != "SUCCESS":
# await asyncio.sleep(3) #
resp = self.zhipuai.model_api.query_async_invoke_result(task_id)
status = resp['data']['task_status']
return resp['data']['choices'][-1]['content']
else:
print(f"error occurred, error code:{response['code']},error msg:{response['msg']}")
return
def create_completion(self,
prompt:str="你好",
model:str="chatglm_pro",
top_p:float=0.7,
temperature:float=0.9,
stream:bool=False,
**kwargs):
message = self.prompt_collator(content_user=prompt)
if stream:
return self.create_stream(model=model,
message=message,
top_p=top_p,
temperature=temperature)
else:
return self.create_oneshot(model=model,
message=message,
top_p=top_p,
temperature=temperature)
#? make it a sync function?
async def acreate_completion(self,
prompt:str="你好",
model:str = "chatglm_pro",
top_p:float=0.7,
temperature:float=0.9,
**kwargs):
message = self.prompt_collator(content_user=prompt)
response = self.zhipuai.model_api.async_invoke(
model = model,
prompt = message,
top_p = top_p,
temperature = temperature
)
if response["code"] == 200:
task_id = response['data']['task_id']
status = "PROCESSING"
while status != "SUCCESS":
# await asyncio.sleep(3) #
resp = self.zhipuai.model_api.query_async_invoke_result(task_id)
status = resp['data']['task_status']
return resp['data']['choices'][-1]['content']
else:
print(f"error occurred, error code:{response['code']},error msg:{response['msg']}")
return

View File

@ -1,3 +1,4 @@
import zhipuai
from server.model_workers.base import ApiModelWorker
from fastchat import conversation as conv
import sys
@ -36,24 +37,40 @@ class ChatGLMWorker(ApiModelWorker):
def generate_stream_gate(self, params):
# TODO: 支持stream参数维护request_id传过来的prompt也有问题
from server.utils import get_model_worker_config
import zhipuai
super().generate_stream_gate(params)
zhipuai.api_key = get_model_worker_config("chatglm-api").get("api_key")
response = zhipuai.model_api.sse_invoke(
model=self.version,
prompt=[{"role": "user", "content": params["prompt"]}],
temperature=params.get("temperature"),
top_p=params.get("top_p"),
incremental=False,
)
for e in response.events():
if e.event == "add":
yield json.dumps({"error_code": 0, "text": e.data}, ensure_ascii=False).encode() + b"\0"
# TODO: 更健壮的消息处理
# elif e.event == "finish":
# ...
model=self.version,
prompt=self.prompt_collator(content_user=params["prompt"]) #[{"role": "user", "content": params["prompt"]}]
temperature=params.get("temperature")
top_p=params.get("top_p")
stream = params.get("stream")
if stream:
return self.create_stream(model=model,
message=prompt,
top_p=top_p,
temperature=temperature)
else:
return self.create_oneshot(model=model,
message=prompt,
top_p=top_p,
temperature=temperature)
# response = zhipuai.model_api.sse_invoke(
# model=self.version,
# prompt=[{"role": "user", "content": params["prompt"]}],
# temperature=params.get("temperature"),
# top_p=params.get("top_p"),
# incremental=False,
# )
# for e in response.events():
# if e.event == "add":
# yield json.dumps({"error_code": 0, "text": e.data}, ensure_ascii=False).encode() + b"\0"
# # TODO: 更健壮的消息处理
# # elif e.event == "finish":
# # ...
def get_embeddings(self, params):
# TODO: 支持embeddings