"""Presigned URL."""

import boto3


def create_presigned_url(bucket: str, key: str, expiration: int = 3600) -> str:
    """Generate a presigned URL to share an S3 object..

    Args:
        bucket (str): The bucket where the S3 object is located in.
        key (str): The key where the S3 object is located at.

    Returns:
        str: The presigned URL.
    """
    return boto3.client("s3").generate_presigned_url(
        "get_object", Params={"Bucket": bucket, "Key": key}, ExpiresIn=expiration
    )