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open_ai_node.py
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open_ai_node.py
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import openai
import os
import asyncio
from asyncio import Queue
import logging
import json
from .compute_task import ComputeTask, ComputeTaskResult, ComputeTaskState, ComputeTaskType
from .compute_node import ComputeNode
from .storage import AIStorage,UserConfig
logger = logging.getLogger(__name__)
class OpenAI_ComputeNode(ComputeNode):
_instance = None
@classmethod
def get_instance(cls):
if cls._instance is None:
cls._instance = OpenAI_ComputeNode()
return cls._instance
@classmethod
def declare_user_config(cls):
if os.getenv("OPENAI_API_KEY_") is None:
user_config = AIStorage.get_instance().get_user_config()
user_config.add_user_config("openai_api_key","openai api key",False,None)
def __init__(self) -> None:
super().__init__()
self.is_start = False
# openai.organization = "org-AoKrOtF2myemvfiFfnsSU8rF" #buckycloud
self.openai_api_key = None
self.node_id = "openai_node"
self.task_queue = Queue()
async def initial(self):
if os.getenv("OPENAI_API_KEY") is not None:
self.openai_api_key = os.getenv("OPENAI_API_KEY")
else:
self.openai_api_key = AIStorage.get_instance().get_user_config().get_value("openai_api_key")
if self.openai_api_key is None:
logger.error("openai_api_key is None!")
return False
openai.api_key = self.openai_api_key
self.start()
return True
async def push_task(self, task: ComputeTask, proiority: int = 0):
logger.info(f"openai_node push task: {task.display()}")
self.task_queue.put_nowait(task)
async def remove_task(self, task_id: str):
pass
def _run_task(self, task: ComputeTask):
task.state = ComputeTaskState.RUNNING
match task.task_type:
case ComputeTaskType.TEXT_EMBEDDING:
model_name = task.params["model_name"]
input = task.params["input"]
logger.info(f"call openai {model_name} input: {input}")
resp = openai.Embedding.create(model=model_name,
input=input)
# resp = {
# "object": "list",
# "data": [
# {
# "object": "embedding",
# "index": 0,
# "embedding": [
# -0.00930514745414257,
# 0.00765434792265296,
# -0.007167573552578688,
# -0.012373941019177437,
# -0.04884673282504082
# ]}]
# }
logger.info(f"openai response: {resp}")
result = ComputeTaskResult()
result.set_from_task(task)
result.worker_id = self.node_id
result.result = resp["data"][0]["embedding"]
return result
case ComputeTaskType.LLM_COMPLETION:
mode_name = task.params["model_name"]
prompts = task.params["prompts"]
max_token_size = task.params.get("max_token_size")
llm_inner_functions = task.params.get("inner_functions")
if max_token_size is None:
max_token_size = 4000
logger.info(f"call openai {mode_name} prompts: {prompts}")
if llm_inner_functions is None:
resp = openai.ChatCompletion.create(model=mode_name,
messages=prompts,
max_tokens=max_token_size,
temperature=0.7)
else:
resp = openai.ChatCompletion.create(model=mode_name,
messages=prompts,
functions=llm_inner_functions,
max_tokens=max_token_size,
temperature=0.7) # TODO: add temperature to task params?
logger.info(f"openai response: {json.dumps(resp, indent=4)}")
result = ComputeTaskResult()
result.set_from_task(task)
status_code = resp["choices"][0]["finish_reason"]
match status_code:
case "function_call":
task.state = ComputeTaskState.DONE
case "stop":
task.state = ComputeTaskState.DONE
case _:
task.state = ComputeTaskState.ERROR
task.error_str = f"The status code was {status_code}."
return None
result.worker_id = self.node_id
result.result_str = resp["choices"][0]["message"]["content"]
result.result_message = resp["choices"][0]["message"]
return result
case _:
task.state = ComputeTaskState.ERROR
return None
def start(self):
if self.is_start is True:
return
self.is_start = True
async def _run_task_loop():
while True:
task = await self.task_queue.get()
logger.info(f"openai_node get task: {task.display()}")
result = self._run_task(task)
if result is not None:
task.state = ComputeTaskState.DONE
task.result = result
asyncio.create_task(_run_task_loop())
def display(self) -> str:
return f"OpenAI_ComputeNode: {self.node_id}"
def get_task_state(self, task_id: str):
pass
def get_capacity(self):
pass
def is_support(self, task: ComputeTask) -> bool:
if task.task_type == ComputeTaskType.LLM_COMPLETION:
if not task.params["model_name"]:
return True
model_name : str = task.params["model_name"]
if model_name.startswith("gpt-"):
return True
if task.task_type == ComputeTaskType.TEXT_EMBEDDING:
if task.params["model_name"] == "text-embedding-ada-002":
return True
return False
def is_local(self) -> bool:
return False