fast_dash_app.py

from fast_dash import FastDash, UploadImage, Image, Upload
import PIL
import numpy as np
from app import func
import tempfile
import base64

def generate_image(input_tiff_image: Upload) -> (Image, Image):

    with tempfile.NamedTemporaryFile(delete=False) as f:
        contents = input_tiff_image.encode("utf8").split(b";base64,")[1]
        f.write(base64.decodebytes(contents))

    input_image, output_image = func(f)

    # Convert numpy arrays to PIL images
    input_image = PIL.Image.fromarray(np.uint8(input_image)).convert('RGB')
    output_image = PIL.Image.fromarray(np.uint8(output_image)).convert('RGB')

    return input_image, output_image

app = FastDash(generate_image, port=8000)

if __name__ == "__main__":
    app.run()