Files
AMD-SHARK-Studio/build_tools/image_comparison.py
2023-02-06 01:03:27 -08:00

46 lines
1.2 KiB
Python

import argparse
from PIL import Image
import numpy as np
import requests
import shutil
import os
import subprocess
parser = argparse.ArgumentParser()
parser.add_argument("-n", "--newfile")
parser.add_argument(
"-g",
"--golden_url",
default="https://storage.googleapis.com/shark_tank/testdata/cyberpunk_fores_42_0_230119_021148.png",
)
def get_image(url, local_filename):
res = requests.get(url, stream=True)
if res.status_code == 200:
with open(local_filename, "wb") as f:
shutil.copyfileobj(res.raw, f)
def compare_images(new_filename, golden_filename):
new = np.array(Image.open(new_filename)) / 255.0
golden = np.array(Image.open(golden_filename)) / 255.0
diff = np.abs(new - golden)
mean = np.mean(diff)
if mean > 0.1:
subprocess.run(
["gsutil", "cp", new_filename, "gs://shark_tank/testdata/builder/"]
)
raise SystemExit("new and golden not close")
else:
print("SUCCESS")
if __name__ == "__main__":
args = parser.parse_args()
tempfile_name = os.path.join(os.getcwd(), "golden.png")
get_image(args.golden_url, tempfile_name)
compare_images(args.newfile, tempfile_name)