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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
def gfpgan_model_path():
from modules.shared import cmd_opts
filemask = 'GFPGAN*.pth'
if cmd_opts.gfpgan_model is not None:
return cmd_opts.gfpgan_model
places = [script_path, '.', os.path.join(cmd_opts.gfpgan_dir, 'experiments/pretrained_models')]
filename = None
for place in places:
filename = next(iter(glob(os.path.join(place, filemask))), None)
if filename is not None:
break
return filename
loaded_gfpgan_model = None
def gfpgan():
global loaded_gfpgan_model
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
model = gfpgan_constructor(model_path=gfpgan_model_path() or 'https://github.com/TencentARC/GFPGAN/releases/download/v1.3.0/GFPGANv1.4.pth', 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):
global loaded_gfpgan_model
model = gfpgan()
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:
del model
loaded_gfpgan_model = None
devices.torch_gc()
return np_image
have_gfpgan = False
gfpgan_constructor = None
def setup_gfpgan():
try:
gfpgan_model_path()
if os.path.exists(cmd_opts.gfpgan_dir):
sys.path.append(os.path.abspath(cmd_opts.gfpgan_dir))
from gfpgan import GFPGANer
global have_gfpgan
have_gfpgan = True
global gfpgan_constructor
gfpgan_constructor = GFPGANer
class FaceRestorerGFPGAN(modules.face_restoration.FaceRestoration):
def name(self):
return "GFPGAN"
def restore(self, np_image):
return gfpgan_fix_faces(np_image)
shared.face_restorers.append(FaceRestorerGFPGAN())
except Exception:
print("Error setting up GFPGAN:", file=sys.stderr)
print(traceback.format_exc(), file=sys.stderr)
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