47 lines
1 KiB
Python
47 lines
1 KiB
Python
import sqlite3
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import click
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from flask import current_app, g
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def dict_factory(cursor, row):
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keys = [column[0] for column in cursor.description]
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return {key: value for key, value in zip(keys, row)}
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def get_db():
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if "db" not in g:
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g.db = sqlite3.connect(
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current_app.config["DATABASE"],
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detect_types=sqlite3.PARSE_DECLTYPES
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)
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# Set results to be retrieved as dicts
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g.db.row_factory = dict_factory
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return g.db
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# Create database
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def init_db():
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db = get_db()
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with current_app.open_resource("schema.sql") as f:
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db.executescript(f.read().decode("utf8"))
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def close_connection(exception):
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db = g.pop("db", None)
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if db is not None:
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db.close()
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# CLI for initializing the DB (flask --app smarter init-db)
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@click.command("init-db")
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def init_db_command():
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init_db()
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click.echo("Initialized the database.")
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# Register database functions with the Flask app
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def init_app(app):
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app.teardown_appcontext(close_connection)
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app.cli.add_command(init_db_command)
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