openspg/python/knext/operator/builtin/online_runner.py
2023-12-22 19:49:39 +08:00

66 lines
2.3 KiB
Python

import json
from typing import Dict, List
from knext.api.operator import ExtractOp
from knext.operator.spg_record import SPGRecord
from nn4k.invoker import LLMInvoker
class _BuiltInOnlineExtractor(ExtractOp):
def __init__(self, params: Dict[str, str] = None):
"""
Args:
params: {"model_name": "openai", "token": "**"}
"""
super().__init__(params)
self.model = self.load_model()
self.prompt_ops = self.load_operator()
self.max_retry_times = int(self.params.get("max_retry_times", "3"))
def load_model(self):
model_config = json.loads(self.params["model_config"])
return LLMInvoker.from_config(model_config)
def load_operator(self):
import importlib.util
prompt_config = json.loads(self.params["prompt_config"])
prompt_ops = []
for op_config in prompt_config:
spec = importlib.util.spec_from_file_location(op_config["modulePath"], op_config["filePath"])
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
op_clazz = getattr(module, op_config["className"])
params = op_config.get("params", {})
op_obj = op_clazz(**params)
prompt_ops.append(op_obj)
return prompt_ops
def invoke(self, record: Dict[str, str]) -> List[SPGRecord]:
collector = []
input_params = [record]
for op in self.prompt_ops:
next_params = []
for input_param in input_params:
retry_times = 0
while retry_times < self.max_retry_times:
try:
query = op.build_prompt(input_param)
# response = self.model.remote_inference(query)
response = "test"
if hasattr(op, "parse_response"):
collector.extend(op.parse_response(response))
if hasattr(op, "build_variables"):
next_params.extend(op.build_variables(input_param, response))
break
except Exception as e:
retry_times += 1
raise e
input_params = next_params
return collector