Files
MIND/MIND.py
2024-02-01 14:42:10 +01:00

130 lines
3.2 KiB
Python

#!/usr/bin/env python3
#-*- coding: utf-8 -*-
"""
The main file where MIND is started from
"""
import logging
from os import makedirs, urandom
from os.path import dirname, isfile
from shutil import move
from flask import Flask, render_template, request
from waitress.server import create_server
from werkzeug.middleware.dispatcher import DispatcherMiddleware
from backend.db import DBConnection, ThreadedTaskDispatcher, close_db, setup_db
from backend.helpers import check_python_version, folder_path
from backend.reminders import ReminderHandler
from frontend.api import admin_api, admin_api_prefix, api, api_prefix
from frontend.ui import UIVariables, ui
HOST = '0.0.0.0'
PORT = '8080'
URL_PREFIX = '' # Must either be empty or start with '/' e.g. '/mind'
LOGGING_LEVEL = logging.INFO
THREADS = 10
DB_FILENAME = 'db', 'MIND.db'
UIVariables.url_prefix = URL_PREFIX
logging.basicConfig(
level=LOGGING_LEVEL,
format='[%(asctime)s][%(threadName)s][%(levelname)s] %(message)s',
datefmt='%Y-%m-%d %H:%M:%S'
)
def _create_app() -> Flask:
"""Create a Flask app instance
Returns:
Flask: The created app instance
"""
app = Flask(
__name__,
template_folder=folder_path('frontend','templates'),
static_folder=folder_path('frontend','static'),
static_url_path='/static'
)
app.config['SECRET_KEY'] = urandom(32)
app.config['JSONIFY_PRETTYPRINT_REGULAR'] = True
app.config['JSON_SORT_KEYS'] = False
app.config['APPLICATION_ROOT'] = URL_PREFIX
app.wsgi_app = DispatcherMiddleware(
Flask(__name__),
{URL_PREFIX: app.wsgi_app}
)
# Add error handlers
@app.errorhandler(400)
def bad_request(e):
return {'error': 'Bad request', 'result': {}}, 400
@app.errorhandler(405)
def method_not_allowed(e):
return {'error': 'Method not allowed', 'result': {}}, 405
@app.errorhandler(500)
def internal_error(e):
return {'error': 'Internal error', 'result': {}}, 500
@app.errorhandler(404)
def not_found(e):
if request.path.startswith(api_prefix):
return {'error': 'Not Found', 'result': {}}, 404
return render_template('page_not_found.html', url_prefix=logging.URL_PREFIX)
app.register_blueprint(ui)
app.register_blueprint(api, url_prefix=api_prefix)
app.register_blueprint(admin_api, url_prefix=admin_api_prefix)
# Setup closing database
app.teardown_appcontext(close_db)
return app
def MIND() -> None:
"""The main function of MIND
"""
logging.info('Starting up MIND')
if not check_python_version():
exit(1)
if isfile(folder_path('db', 'Noted.db')):
move(folder_path('db', 'Noted.db'), folder_path(*DB_FILENAME))
db_location = folder_path(*DB_FILENAME)
logging.debug(f'Database location: {db_location}')
makedirs(dirname(db_location), exist_ok=True)
DBConnection.file = db_location
app = _create_app()
reminder_handler = ReminderHandler(app.app_context)
with app.app_context():
setup_db()
reminder_handler.find_next_reminder()
# Create waitress server and run
dispatcher = ThreadedTaskDispatcher()
dispatcher.set_thread_count(THREADS)
server = create_server(
app,
_dispatcher=dispatcher,
host=HOST,
port=PORT,
threads=THREADS
)
logging.info(f'MIND running on http://{HOST}:{PORT}{URL_PREFIX}')
# =================
server.run()
# =================
reminder_handler.stop_handling()
return
if __name__ == "__main__":
MIND()