stable-diffusion-webui/modules/gfpgan_model.py
2022-09-26 09:29:50 -05:00

94 lines
2.8 KiB
Python

import os
import sys
import traceback
from glob import glob
from modules import shared, devices
from modules.shared import cmd_opts
from modules.paths import script_path
import modules.face_restoration
from modules import shared, devices, modelloader
from modules.paths import models_path
model_dir = "GFPGAN"
cmd_dir = None
model_path = os.path.join(models_path, model_dir)
model_url = "https://github.com/TencentARC/GFPGAN/releases/download/v1.3.0/GFPGANv1.4.pth"
loaded_gfpgan_model = None
def gfpgan():
global loaded_gfpgan_model
global model_path
if loaded_gfpgan_model is not None:
loaded_gfpgan_model.gfpgan.to(shared.device)
return loaded_gfpgan_model
if gfpgan_constructor is None:
return None
models = modelloader.load_models(model_path, model_url, cmd_dir)
if len(models) != 0:
latest_file = max(models, key=os.path.getctime)
model_file = latest_file
else:
print("Unable to load gfpgan model!")
return None
model = gfpgan_constructor(model_path=model_file, model_dir=model_path, upscale=1, arch='clean', channel_multiplier=2,
bg_upsampler=None)
model.gfpgan.to(shared.device)
loaded_gfpgan_model = model
return model
def gfpgan_fix_faces(np_image):
model = gfpgan()
if model is None:
return np_image
np_image_bgr = np_image[:, :, ::-1]
cropped_faces, restored_faces, gfpgan_output_bgr = model.enhance(np_image_bgr, has_aligned=False, only_center_face=False, paste_back=True)
np_image = gfpgan_output_bgr[:, :, ::-1]
if shared.opts.face_restoration_unload:
model.gfpgan.to(devices.cpu)
return np_image
have_gfpgan = False
gfpgan_constructor = None
def setup_model(dirname):
global model_path
if not os.path.exists(model_path):
os.makedirs(model_path)
try:
from modules.gfpgan_model_arch import GFPGANerr
global cmd_dir
global have_gfpgan
global gfpgan_constructor
cmd_dir = dirname
have_gfpgan = True
gfpgan_constructor = GFPGANerr
class FaceRestorerGFPGAN(modules.face_restoration.FaceRestoration):
def name(self):
return "GFPGAN"
def restore(self, np_image):
np_image_bgr = np_image[:, :, ::-1]
cropped_faces, restored_faces, gfpgan_output_bgr = gfpgan().enhance(np_image_bgr, has_aligned=False, only_center_face=False, paste_back=True)
np_image = gfpgan_output_bgr[:, :, ::-1]
return np_image
shared.face_restorers.append(FaceRestorerGFPGAN())
except Exception:
print("Error setting up GFPGAN:", file=sys.stderr)
print(traceback.format_exc(), file=sys.stderr)