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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(
current_app.config['DATABASE'],
detect_types=sqlite3.PARSE_DECLTYPES
)
g.db.row_factory = sqlite3.Row
g.db.execute("PRAGMA foreighn_keys = ON;")
return g.db
def close_db(e=None):
db = g.pop('db', None)
if db is not None:
db.close()
migrations = [
]
def init_db():
db = get_db()
version = db.execute("PRAGMA user_version;").fetchone()[0]
for i in range(version, len(migrations)):
db.executescript(migrations[i])
db.execute(f"PRAGMA user_version = {i+1}")
db.commit()
click.echo(f"migration {i}")
@click.command("migrate")
@with_appcontext
def migrate_command():
"""update database scheme etc"""
init_db()
click.echo("ok")
def init_app(app):
app.teardown_appcontext(close_db)
app.cli.add_command(migrate_command)
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