matekasse/Website/db.py

from re import M
import sqlite3

import click
from flask import current_app, g


def get_db():
    if 'db' not in g:
        try:
            g.db = sqlite3.connect(
                current_app.config['DATABASE'],
                detect_types=sqlite3.PARSE_DECLTYPES
            )
        except:
            init_db()
            g.db = sqlite3.connect(
                current_app.config['DATABASE'],
                detect_types=sqlite3.PARSE_DECLTYPES
            )
        g.db.row_factory = sqlite3.Row

    return g.db


def close_db(e=None):
    db = g.pop('db', None)

    if db is not None:
        db.close()

def init_db():
    db = get_db()

    with current_app.open_resource('schema.sql') as f:
        db.executescript(f.read().decode('utf8'))


@click.command('init-db')
def init_db_command():
    """Clear the existing data and create new tables."""
    init_db()
    click.echo('Initialized the database.')