__main__.py 文件源码

def init(ctx):
    """Initializes the database."""
    db = ctx.obj.db
    db_url = db.url

    # Check if the database already exists
    if is_sqlitedb_url(db_url) and sqlitedb_present(db_url):
        raise click.UsageError("Refusing to overwrite database "
                               "at {}".format(db_url))
    db.reset()


# -------------------------------------------------------------------------
# User commands