init.py

import os
import yaml
import sqlite3


with sqlite3.connect('database.db') as db:
    with open('schema.sql', 'r') as f:
        db.cursor().executescript(f.read())
    db.commit()

key = os.urandom(24)
random_img_folder = 'uploads/ag_img'
database = 'database.db'
upload_folder = 'uploads'
app_config = {
    'SECRET_KEY': key,
    'UPLOAD_FOLDER': upload_folder,
    'RANDOM_IMG_FOLDER': random_img_folder,
    'DATABASE': database
}
with open('config.yml', 'w') as f:
    yaml.dump(app_config, f)