"""dynamodb connector."""

import boto3


__all__ = ['get_client', 'get_table']


_dynamodb = None


def get_client():
    """Get DynamoDB client."""
    global _dynamodb  # ignore: PLW0603
    if _dynamodb is None:
        _dynamodb = boto3.resource('dynamodb')

    return _dynamodb


def get_table(table_name: str):
    """Get DynamoDB table.

    Args:
        table_name (str): Table name.

    """
    client = get_client()
    return client.Table(table_name)