main.py

from flask import Flask, jsonify, redirect, send_file

import os
import requests
import json
from PIL import Image, ImageChops, ImageDraw, ImageFont
from io import BytesIO
import asyncio
import numpy as np

app = Flask(__name__, template_folder='.')
app.config["DEBUG"] = False

'''
@app.route('/')
def index():
    return redirect('https://basically.email/discord')
'''

@app.route('/banner/<int:id>')
def banner(id):
    data = json.loads(requests.get(f"https://canary.discordapp.com/api/v9/users/{id}", headers={'Authorization': 'Bot {}'.format(os.environ['TOKEN'])}).text)
    avatar_url = f"https://cdn.discordapp.com/avatars/{id}/{data['avatar']}.png"
    avatar = requests.get(avatar_url).content
    background = Image.open("welcomeTemplate.png") 
    byte_pfp = BytesIO(avatar)

    pfp = Image.open(byte_pfp).convert("RGBA")
    
    
    width, height = pfp.size
    x = (width - height)//2
    img_cropped = pfp.crop((x, 0, x+height, height))

    # create grayscale image with white circle (255) on black background (0)
    mask = Image.new('L', img_cropped.size)
    mask_draw = ImageDraw.Draw(mask)
    width, height = img_cropped.size
    mask_draw.ellipse((0, 0, width, height), fill=255)
    #mask.show()

    # add mask as alpha channel
    img_cropped.putalpha(mask)
    
    
    pfp = img_cropped.resize((420,420))

    draw = ImageDraw.Draw(background)
    font = ImageFont.truetype("MontserratAlternates.ttf",120) 
    member_text = (f"Welcome {data['username']}")
    
    w, h = draw.textsize(member_text, font)
    draw.text(((2400-w)//2,650), member_text,font=font)

    background.paste(pfp, (990,130), pfp) 
    background.save(f'{id}.png')
    return send_file(f'{id}.png', mimetype='image/gif')
    
    


if __name__ == '__main__':
    port = int(os.environ.get("PORT", 5000))
    app.run(host='0.0.0.0', port=port)