samadpls/querypls-prompt2sql
625
1import torch2 3from typing import Any, Dict4from transformers import AutoModelForCausalLM, AutoTokenizer5 6 7class EndpointHandler:8 def __init__(self, path=""):9 # load model and tokenizer from path10 self.tokenizer = AutoTokenizer.from_pretrained(path)11 self.model = AutoModelForCausalLM.from_pretrained(12 path, device_map="auto", torch_dtype=torch.float16, trust_remote_code=True13 )14 self.device = "cuda" if torch.cuda.is_available() else "cpu"15 16 def __call__(self, data: Dict[str, Any]) -> Dict[str, str]:17 # process input18 inputs = data.pop("inputs", data)19 parameters = data.pop("parameters", None)20 21 # preprocess22 inputs = self.tokenizer(inputs, return_tensors="pt").to(self.device)23 24 # pass inputs with all kwargs in data25 if parameters is not None:26 outputs = self.model.generate(**inputs, **parameters)27 else:28 outputs = self.model.generate(**inputs)29 30 # postprocess the prediction31 prediction = self.tokenizer.decode(outputs[0], skip_special_tokens=True)32 33 return [{"generated_text": prediction}]