app.py

from settings import *

from flask import *
from flask_cors import CORS
from pathlib import Path
import requests
import os

app = Flask(__name__)
app.secret_key = os.urandom(12)
CORS(app)

@app.route('/<path:path>')
def static_file(path):
    if (len(path) < 64) and (path != 'ekonomi.png'):
        return {"status": "Not Found"}, 404
    os.chdir(Path(__file__).parent)
    img_id = path.split('.')[0]
    cache_folder = Path('cache')
    if not cache_folder.exists(): cache_folder.mkdir()
    cache_file = cache_folder / f'{img_id}.png'
    try:
        if img_id in requests.get(f'{API_URL}/api/ddr_imglist').json()["data"]:
            if cache_file.exists(): return send_file(cache_file)
            req = requests.get(f'{API_URL}/api/ddr_img?id=' + img_id)
            if req.status_code != 200: return {"status": req.status_code, "message": "Server-side reqeust Error"}, req.status_code
            img = req.content
            cache_file.write_bytes(img)
            return send_file(cache_file)
        else:
            if cache_file.exists(): cache_file.unlink()
            return {"status": 404, "message": "Image not found"}
    except Exception as e:
        return {"status": 500, "message": "Internal Server Error", "error": e}, 500

if __name__ == '__main__':
    app.run(host=HOST, port=PORT, debug=DEBUG)