python-gallery/gallery/__init__.py

print("""
  ___        _       _
 / _ \\ _ __ | |_   _| |    ___  __ _ ___
| | | | '_ \\| | | | | |   / _ \\/ _` / __|
| |_| | | | | | |_| | |__|  __/ (_| \\__ \\
 \\___/|_| |_|_|\\__, |_____\\___|\\__, |___/
               |___/           |___/
Created by Fluffy Bean - Version 23.03.01
""")

from flask import Flask, render_template
from flask_compress import Compress
from flask.helpers import get_root_path
from dotenv import load_dotenv
import yaml
import os

print(f"Running at {get_root_path(__name__)}\n")

def create_app(test_config=None):
    # create and configure the app
    app = Flask(__name__)
    compress = Compress()

    # Get environment variables
    load_dotenv(os.path.join(app.root_path, 'user', '.env'))
    print("Loaded environment variables")
    
    # Get config file
    with open(os.path.join(app.root_path, 'user', 'conf.yml'), 'r') as f:
        conf = yaml.load(f, Loader=yaml.FullLoader)
        print("Loaded gallery config")

    # App configuration
    app.config.from_mapping(
        SECRET_KEY=os.environ.get('FLASK_SECRET'),
        DATABASE=os.path.join(app.instance_path, 'gallery.sqlite'),
        UPLOAD_FOLDER=os.path.join(app.root_path, 'user', 'uploads'),
        MAX_CONTENT_LENGTH=1024 * 1024 * conf['upload']['max-size'],
        ALLOWED_EXTENSIONS=conf['upload']['allowed-extensions'],
        WEBSITE=conf['website'],
    )

    if test_config is None:
        # load the instance config, if it exists, when not testing
        app.config.from_pyfile('config.py', silent=True)
    else:
        # load the test config if passed in
        app.config.from_mapping(test_config)

    # ensure the instance folder exists
    try:
        os.makedirs(app.instance_path)
    except OSError:
        pass

    # Load database
    from . import db
    db.init_app(app)

    # Load theme
    from . import sassy
    sassy.compile('default', app.root_path)
    
    # Load logger
    from .logger import logger
    logger.innit_logger(app)

    @app.errorhandler(405)
    def method_not_allowed(e):
        error = '405'
        msg = e.description
        return render_template('error.html', error=error, msg=e), 404

    @app.errorhandler(404)
    def page_not_found(e):
        error = '404'
        msg = e.description
        return render_template('error.html', error=error, msg=msg), 404

    @app.errorhandler(403)
    def forbidden(e):
        error = '403'
        msg = e.description
        return render_template('error.html', error=error, msg=msg), 403

    @app.errorhandler(410)
    def gone(e):
        error = '410'
        msg = e.description
        return render_template('error.html', error=error, msg=msg), 410

    @app.errorhandler(500)
    def internal_server_error(e):
        error = '500'
        msg = e.description
        return render_template('error.html', error=error, msg=msg), 500

    # Load login, registration and logout manager
    from . import auth
    app.register_blueprint(auth.blueprint)

    # Load routes for home and images
    from . import routing
    app.register_blueprint(routing.blueprint)
    app.add_url_rule('/', endpoint='index')
    
    # Load routes for settings
    from . import settings
    app.register_blueprint(settings.blueprint)

    # Load APIs
    from . import api
    app.register_blueprint(api.blueprint)

    compress.init_app(app)
    return app