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Upscaler.load_model: don't return None, just use exceptions

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This commit is contained in:
Aarni Koskela 2023-05-29 10:38:51 +03:00
parent e3a973a68d
commit bf67a5dcf4
5 changed files with 52 additions and 64 deletions
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9
extensions-builtin/LDSR/scripts/ldsr_model.py
View File

@ -46,16 +46,13 @@ class UpscalerLDSR(Upscaler):
yaml = local_yaml_path or load_file_from_url(self.yaml_url, model_dir=self.model_download_path, file_name="project.yaml")
try:
return LDSR(model, yaml)
except Exception:
errors.report("Error importing LDSR", exc_info=True)
return None
def do_upscale(self, img, path):
try:
ldsr = self.load_model(path)
if ldsr is None:
print("NO LDSR!")
except Exception:
errors.report(f"Failed loading LDSR model {path}", exc_info=True)
return img
ddim_steps = shared.opts.ldsr_steps
return ldsr.super_resolution(img, ddim_steps, self.scale)

14
extensions-builtin/ScuNET/scripts/scunet_model.py
View File

@ -1,4 +1,3 @@
import os.path
import sys
import PIL.Image
@ -8,7 +7,7 @@ from tqdm import tqdm
import modules.upscaler
from modules import devices, modelloader, script_callbacks, errors
from scunet_model_arch import SCUNet as net
from scunet_model_arch import SCUNet
from modules.modelloader import load_file_from_url
from modules.shared import opts
@ -88,9 +87,10 @@ class UpscalerScuNET(modules.upscaler.Upscaler):
torch.cuda.empty_cache()
try:
model = self.load_model(selected_file)
if model is None:
print(f"ScuNET: Unable to load model from {selected_file}", file=sys.stderr)
except Exception as e:
print(f"ScuNET: Unable to load model from {selected_file}: {e}", file=sys.stderr)
return img
device = devices.get_device_for('scunet')
@ -123,11 +123,7 @@ class UpscalerScuNET(modules.upscaler.Upscaler):
filename = load_file_from_url(self.model_url, model_dir=self.model_download_path, file_name=f"{self.name}.pth")
else:
filename = path
if not os.path.exists(os.path.join(self.model_path, filename)) or filename is None:
print(f"ScuNET: Unable to load model from {filename}", file=sys.stderr)
return None
model = net(in_nc=3, config=[4, 4, 4, 4, 4, 4, 4], dim=64)
model = SCUNet(in_nc=3, config=[4, 4, 4, 4, 4, 4, 4], dim=64)
model.load_state_dict(torch.load(filename), strict=True)
model.eval()
for _, v in model.named_parameters():

16
extensions-builtin/SwinIR/scripts/swinir_model.py
View File

@ -1,4 +1,4 @@
import os
import sys
import numpy as np
import torch
@ -7,8 +7,8 @@ from tqdm import tqdm
from modules import modelloader, devices, script_callbacks, shared
from modules.shared import opts, state
from swinir_model_arch import SwinIR as net
from swinir_model_arch_v2 import Swin2SR as net2
from swinir_model_arch import SwinIR
from swinir_model_arch_v2 import Swin2SR
from modules.upscaler import Upscaler, UpscalerData
@ -36,8 +36,10 @@ class UpscalerSwinIR(Upscaler):
self.scalers = scalers
def do_upscale(self, img, model_file):
try:
model = self.load_model(model_file)
if model is None:
except Exception as e:
print(f"Failed loading SwinIR model {model_file}: {e}", file=sys.stderr)
return img
model = model.to(device_swinir, dtype=devices.dtype)
img = upscale(img, model)
@ -56,10 +58,8 @@ class UpscalerSwinIR(Upscaler):
)
else:
filename = path
if filename is None or not os.path.exists(filename):
return None
if filename.endswith(".v2.pth"):
model = net2(
model = Swin2SR(
upscale=scale,
in_chans=3,
img_size=64,
@ -74,7 +74,7 @@ class UpscalerSwinIR(Upscaler):
)
params = None
else:
model = net(
model = SwinIR(
upscale=scale,
in_chans=3,
img_size=64,

12
modules/esrgan_model.py
View File

@ -1,4 +1,4 @@
import os
import sys
import numpy as np
import torch
@ -6,9 +6,8 @@ from PIL import Image
import modules.esrgan_model_arch as arch
from modules import modelloader, images, devices
from modules.upscaler import Upscaler, UpscalerData
from modules.shared import opts
from modules.upscaler import Upscaler, UpscalerData
def mod2normal(state_dict):
@ -142,8 +141,10 @@ class UpscalerESRGAN(Upscaler):
self.scalers.append(scaler_data)
def do_upscale(self, img, selected_model):
try:
model = self.load_model(selected_model)
if model is None:
except Exception as e:
print(f"Unable to load ESRGAN model {selected_model}: {e}", file=sys.stderr)
return img
model.to(devices.device_esrgan)
img = esrgan_upscale(model, img)
@ -159,9 +160,6 @@ class UpscalerESRGAN(Upscaler):
)
else:
filename = path
if not os.path.exists(filename) or filename is None:
print(f"Unable to load {self.model_path} from {filename}")
return None
state_dict = torch.load(filename, map_location='cpu' if devices.device_esrgan.type == 'mps' else None)

31
modules/realesrgan_model.py
View File

@ -9,7 +9,6 @@ from modules.shared import cmd_opts, opts
from modules import modelloader, errors
class UpscalerRealESRGAN(Upscaler):
def __init__(self, path):
self.name = "RealESRGAN"
@ -43,9 +42,10 @@ class UpscalerRealESRGAN(Upscaler):
if not self.enable:
return img
try:
info = self.load_model(path)
if not os.path.exists(info.local_data_path):
print(f"Unable to load RealESRGAN model: {info.name}")
except Exception:
errors.report(f"Unable to load RealESRGAN model {path}", exc_info=True)
return img
upsampler = RealESRGANer(
@ -63,20 +63,17 @@ class UpscalerRealESRGAN(Upscaler):
return image
def load_model(self, path):
try:
info = next(iter([scaler for scaler in self.scalers if scaler.data_path == path]), None)
if info is None:
print(f"Unable to find model info: {path}")
return None
if info.local_data_path.startswith("http"):
info.local_data_path = modelloader.load_file_from_url(info.data_path, model_dir=self.model_download_path)
return info
except Exception:
errors.report("Error making Real-ESRGAN models list", exc_info=True)
return None
for scaler in self.scalers:
if scaler.data_path == path:
if scaler.local_data_path.startswith("http"):
scaler.local_data_path = modelloader.load_file_from_url(
scaler.data_path,
model_dir=self.model_download_path,
)
if not os.path.exists(scaler.local_data_path):
raise FileNotFoundError(f"RealESRGAN data missing: {scaler.local_data_path}")
return scaler
raise ValueError(f"Unable to find model info: {path}")
def load_models(self, _):
return get_realesrgan_models(self)