27 lines
853 B
Python
27 lines
853 B
Python
import torch
|
|
from models.base import HFModel
|
|
|
|
|
|
class LLM(HFModel):
|
|
|
|
def __init__(self, model_path):
|
|
super().__init__(model_path)
|
|
|
|
def generate(self, input_text, stop_words=[], max_new_tokens=512):
|
|
if isinstance(input_text, str):
|
|
input_text = [input_text]
|
|
|
|
input_ids = self.tokenizer(input_text)['input_ids']
|
|
input_ids = torch.tensor(input_ids, device=self.model.device)
|
|
gen_kwargs = {'max_new_tokens': max_new_tokens, 'do_sample': False}
|
|
outputs = self.model.generate(input_ids, **gen_kwargs)
|
|
s = outputs[0][input_ids.shape[1]:]
|
|
output = self.tokenizer.decode(s, skip_special_tokens=True)
|
|
|
|
for stop_str in stop_words:
|
|
idx = output.find(stop_str)
|
|
if idx != -1:
|
|
output = output[:idx + len(stop_str)]
|
|
|
|
return output
|