Function _require_db

explainshell/manager.py:502–512

Return the --db path or raise a UsageError if not set. When *must_exist* is True, also verify the file is present on disk.

(ctx: click.Context, *, must_exist: bool = False)

def _require_db(ctx: click.Context, *, must_exist: bool = False) -> str:
    """Return the --db path or raise a UsageError if not set.

    When *must_exist* is True, also verify the file is present on disk.
    """
    db = ctx.obj["db"]
    if not db:
        raise click.UsageError("No database path. Set DB_PATH or pass --db.")
    if must_exist and not os.path.isfile(db):
        raise click.UsageError(f"Database not found: {db}")
    return db


@cli.command()