calendarwatch_frontend/database/db.py

39 lines
885 B
Python

# http://flask.pocoo.org/docs/1.0/tutorial/database/
import sqlite3
import click
from flask import current_app, g
from flask.cli import with_appcontext
def get_db():
if "db" not in g:
g.db = sqlite3.connect(
"database/sqlite_db", detect_types=sqlite3.PARSE_DECLTYPES
)
g.db.row_factory = sqlite3.Row
return g.db
def close_db(e=None):
db = g.pop("db/db", None)
if db is not None:
db.close()
def init_db():
db = get_db()
with current_app.open_resource("database/schema.sql") as f:
db.executescript(f.read().decode("utf8"))
@click.command("init-db")
@with_appcontext
def init_db_command():
"""Clear the existing data and create new tables."""
init_db()
click.echo("Initialized the database.")
def init_app(app):
app.teardown_appcontext(close_db)
app.cli.add_command(init_db_command)