stable-diffusion-webui/test/test_face_restorers.py

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import os
from test.conftest import test_files_path, test_outputs_path
import numpy as np
import pytest
from PIL import Image
@pytest.mark.usefixtures("initialize")
@pytest.mark.parametrize("restorer_name", ["gfpgan", "codeformer"])
def test_face_restorers(restorer_name):
from modules import shared
if restorer_name == "gfpgan":
from modules import gfpgan_model
gfpgan_model.setup_model(shared.cmd_opts.gfpgan_models_path)
restorer = gfpgan_model.gfpgan_fix_faces
elif restorer_name == "codeformer":
from modules import codeformer_model
codeformer_model.setup_model(shared.cmd_opts.codeformer_models_path)
restorer = codeformer_model.codeformer.restore
else:
raise NotImplementedError("...")
img = Image.open(os.path.join(test_files_path, "two-faces.jpg"))
np_img = np.array(img, dtype=np.uint8)
fixed_image = restorer(np_img)
assert fixed_image.shape == np_img.shape
assert not np.allclose(fixed_image, np_img) # should have visibly changed
Image.fromarray(fixed_image).save(os.path.join(test_outputs_path, f"{restorer_name}.png"))