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Add safetensors support to LDSR

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This commit is contained in:
wywywywy 2022-12-10 18:57:18 +00:00
parent 685f9631b5
commit 8bcdd50461
2 changed files with 14 additions and 4 deletions
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8
extensions-builtin/LDSR/ldsr_model_arch.py
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@ -1,3 +1,4 @@
import os
import gc
import time
import warnings
@ -8,6 +9,7 @@ import torchvision
from PIL import Image
from einops import rearrange, repeat
from omegaconf import OmegaConf
import safetensors.torch
from ldm.models.diffusion.ddim import DDIMSampler
from ldm.util import instantiate_from_config, ismap
@ -28,8 +30,12 @@ class LDSR:
model: torch.nn.Module = cached_ldsr_model
else:
print(f"Loading model from {self.modelPath}")
_, extension = os.path.splitext(self.modelPath)
if extension.lower() == ".safetensors":
pl_sd = safetensors.torch.load_file(self.modelPath, device="cpu")
else:
pl_sd = torch.load(self.modelPath, map_location="cpu")
sd = pl_sd["state_dict"]
sd = pl_sd["state_dict"] if "state_dict" in pl_sd else pl_sd
config = OmegaConf.load(self.yamlPath)
config.model.target = "ldm.models.diffusion.ddpm.LatentDiffusionV1"
model: torch.nn.Module = instantiate_from_config(config.model)

4
extensions-builtin/LDSR/scripts/ldsr_model.py
View File

@ -25,6 +25,7 @@ class UpscalerLDSR(Upscaler):
yaml_path = os.path.join(self.model_path, "project.yaml")
old_model_path = os.path.join(self.model_path, "model.pth")
new_model_path = os.path.join(self.model_path, "model.ckpt")
safetensors_model_path = os.path.join(self.model_path, "model.safetensors")
if os.path.exists(yaml_path):
statinfo = os.stat(yaml_path)
if statinfo.st_size >= 10485760:
@ -33,6 +34,9 @@ class UpscalerLDSR(Upscaler):
if os.path.exists(old_model_path):
print("Renaming model from model.pth to model.ckpt")
os.rename(old_model_path, new_model_path)
if os.path.exists(safetensors_model_path):
model = safetensors_model_path
else:
model = load_file_from_url(url=self.model_url, model_dir=self.model_path,
file_name="model.ckpt", progress=True)
yaml = load_file_from_url(url=self.yaml_url, model_dir=self.model_path,