41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
import os
|
|
import torch
|
|
|
|
from omegaconf import OmegaConf
|
|
from iopaint.model.anytext.ldm.util import instantiate_from_config
|
|
|
|
|
|
def get_state_dict(d):
|
|
return d.get("state_dict", d)
|
|
|
|
|
|
def load_state_dict(ckpt_path, location="cpu"):
|
|
_, extension = os.path.splitext(ckpt_path)
|
|
if extension.lower() == ".safetensors":
|
|
import safetensors.torch
|
|
|
|
state_dict = safetensors.torch.load_file(ckpt_path, device=location)
|
|
else:
|
|
state_dict = get_state_dict(
|
|
torch.load(ckpt_path, map_location=torch.device(location))
|
|
)
|
|
state_dict = get_state_dict(state_dict)
|
|
print(f"Loaded state_dict from [{ckpt_path}]")
|
|
return state_dict
|
|
|
|
|
|
def create_model(config_path, device, cond_stage_path=None, use_fp16=False):
|
|
config = OmegaConf.load(config_path)
|
|
# if cond_stage_path:
|
|
# config.model.params.cond_stage_config.params.version = (
|
|
# cond_stage_path # use pre-downloaded ckpts, in case blocked
|
|
# )
|
|
config.model.params.cond_stage_config.params.device = str(device)
|
|
if use_fp16:
|
|
config.model.params.use_fp16 = True
|
|
config.model.params.control_stage_config.params.use_fp16 = True
|
|
config.model.params.unet_config.params.use_fp16 = True
|
|
model = instantiate_from_config(config.model).cpu()
|
|
print(f"Loaded model config from [{config_path}]")
|
|
return model
|