text-generation-webui/modules/LoRA.py
2023-03-19 12:11:35 -03:00

23 lines
718 B
Python

from pathlib import Path
import modules.shared as shared
from modules.models import load_model
def add_lora_to_model(lora_name):
from peft import PeftModel
# Is there a more efficient way of returning to the base model?
if lora_name == "None":
print("Reloading the model to remove the LoRA...")
shared.model, shared.tokenizer = load_model(shared.model_name)
else:
# Why doesn't this work in 16-bit mode?
print(f"Adding the LoRA {lora_name} to the model...")
params = {}
params['device_map'] = {'': 0}
#params['dtype'] = shared.model.dtype
shared.model = PeftModel.from_pretrained(shared.model, Path(f"loras/{lora_name}"), **params)