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import os
import random
import string
from PIL import Image
from flask import Flask, render_template, request, url_for, redirect, send_from_directory
from werkzeug.datastructures import FileStorage
SIGN_LOCATION = 225, 1300
SIGN_SIZE = 1443, 900
OVERLAY: Image.Image = Image.open('herrschwarz.png')
if not os.path.exists('uploads'):
os.mkdir("uploads")
app = Flask(__name__)
def herrschwarzify(image: Image.Image) -> Image.Image:
canvas = Image.new(OVERLAY.mode, OVERLAY.size)
image = image.resize(SIGN_SIZE)
canvas.alpha_composite(image, SIGN_LOCATION)
canvas.alpha_composite(OVERLAY)
return canvas
def random_name():
return ''.join(random.choice(string.ascii_lowercase + string.digits) for _ in range(20)) + ".png"
@app.route("/")
def index():
return render_template('index.html')
@app.route("/res/<image>")
def image_resource(image):
return send_from_directory('uploads', image)
@app.route("/upload", methods=["POST"])
def upload():
if 'file' not in request.files or not request.files["file"].filename:
return redirect(url_for('index'))
image: FileStorage = request.files["file"]
converted_image = herrschwarzify(Image.open(image.stream).convert(OVERLAY.mode))
name = random_name()
converted_image.save(f"uploads/{name}")
return redirect(url_for('image_resource', image=name))
if __name__ == '__main__':
app.run()
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