def generate_presigned_urls()

in backend/lambda/app.py [0:0]


def generate_presigned_urls(s3_uris):
    presigned_urls = [s3_client.generate_presigned_url(
        'get_object',
        Params={
            'Bucket': urlparse(x).netloc,
            'Key': urlparse(x).path.lstrip('/')},
        ExpiresIn=300
    ) for x in s3_uris]

    return presigned_urls