codegen2-1B-react / handler.py
ammarnasr's picture
Create handler.py
80c2057 verified
from typing import Any, Dict, List
import torch
import transformers
from transformers import AutoModelForCausalLM, AutoTokenizer
dtype = torch.bfloat16 if torch.cuda.get_device_capability()[0] ==8 else torch.float16
class EndpointHandler:
def __init__(self, path=""):
self.tokenizer = AutoTokenizer.from_pretrained(path)
self.model = AutoModelForCausalLM.from_pretrained(path, trust_remote_code=True, revision="main")
self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
self.model = self.model.to(self.device)
def __call__(self, data: Dict[str, Any]) -> Dict[str, Any]:
prompt = data["inputs"]
if "config" in data:
config = data.pop("config", None)
else:
config = {'max_new_tokens':100}
input_ids = self.tokenizer(prompt, return_tensors="pt").input_ids.to(self.device)
generated_ids = self.model.generate(input_ids, **config)
generated_text = self.tokenizer.decode(generated_ids[0], skip_special_tokens=True)
return [{"generated_text": generated_text}]