mirror of
https://github.com/Casvt/MIND.git
synced 2026-02-19 11:54:46 -05:00
113 lines
3.3 KiB
Python
113 lines
3.3 KiB
Python
#!/usr/bin/env python3
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#-*- coding: utf-8 -*-
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import logging
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from os import makedirs, urandom
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from os.path import abspath, dirname, isfile, join
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from shutil import move
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from sys import version_info
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from flask import Flask, render_template, request
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from waitress.server import create_server
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from werkzeug.middleware.dispatcher import DispatcherMiddleware
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from backend.db import DBConnection, close_db, setup_db
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from frontend.api import api, reminder_handler
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from frontend.ui import ui
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HOST = '0.0.0.0'
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PORT = '8080'
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URL_PREFIX = '' # Must either be empty or start with '/' e.g. '/mind'
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THREADS = 10
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DB_FILENAME = 'db', 'MIND.db'
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def _folder_path(*folders) -> str:
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"""Turn filepaths relative to the project folder into absolute paths
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Returns:
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str: The absolute filepath
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"""
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return join(dirname(abspath(__file__)), *folders)
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def _create_app() -> Flask:
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"""Create a Flask app instance
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Returns:
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Flask: The created app instance
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"""
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app = Flask(
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__name__,
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template_folder=_folder_path('frontend','templates'),
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static_folder=_folder_path('frontend','static'),
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static_url_path='/static'
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)
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app.config['SECRET_KEY'] = urandom(32)
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app.config['JSONIFY_PRETTYPRINT_REGULAR'] = True
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app.config['JSON_SORT_KEYS'] = False
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app.config['APPLICATION_ROOT'] = URL_PREFIX
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app.wsgi_app = DispatcherMiddleware(Flask(__name__), {URL_PREFIX: app.wsgi_app})
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# Add error handlers
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@app.errorhandler(400)
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def bad_request(e):
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return {'error': 'Bad request', 'result': {}}, 400
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@app.errorhandler(405)
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def method_not_allowed(e):
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return {'error': 'Method not allowed', 'result': {}}, 405
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@app.errorhandler(500)
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def internal_error(e):
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return {'error': 'Internal error', 'result': {}}, 500
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@app.errorhandler(404)
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def not_found(e):
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if request.path.startswith('/api'):
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return {'error': 'Not Found', 'result': {}}, 404
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return render_template('page_not_found.html', url_prefix=logging.URL_PREFIX)
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app.register_blueprint(ui)
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app.register_blueprint(api, url_prefix="/api")
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# Setup closing database
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app.teardown_appcontext(close_db)
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return app
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def MIND() -> None:
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"""The main function of MIND
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Returns:
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None
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"""
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# Check python version
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if (version_info.major < 3) or (version_info.major == 3 and version_info.minor < 7):
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print('Error: the minimum python version required is python3.7 (currently ' + version_info.major + '.' + version_info.minor + '.' + version_info.micro + ')')
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exit(1)
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# Register web server
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# We need to get the value to ui.py but MIND.py imports from ui.py so we get an import loop.
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# To go around this, we abuse the fact that the logging module is a singleton.
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# We add an attribute to the logging module and in ui.py get the value this way.
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logging.URL_PREFIX = URL_PREFIX
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app = _create_app()
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with app.app_context():
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if isfile(_folder_path('db', 'Noted.db')):
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move(_folder_path('db', 'Noted.db'), _folder_path('db', 'MIND.db'))
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db_location = _folder_path(*DB_FILENAME)
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makedirs(dirname(db_location), exist_ok=True)
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DBConnection.file = db_location
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setup_db()
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reminder_handler.find_next_reminder()
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# Create waitress server and run
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server = create_server(app, host=HOST, port=PORT, threads=THREADS)
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print(f'MIND running on http://{HOST}:{PORT}{URL_PREFIX}')
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server.run()
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print(f'\nShutting down MIND...')
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# Stopping thread
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reminder_handler.stop_handling()
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return
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if __name__ == "__main__":
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MIND()
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