def download_s3_defs()

in assets/lambda/code/download_defs/lambda.py [0:0]

• 12 lines of code
• 5 McCabe index (conditional complexity)

def download_s3_defs(download_path, defs_bucket):
    """download CVD and conf files from definitions bucket (if they exist)
    to compare against ClamAV database. Respect their hosting costs!"""
    try:
        # Downloading ClamAV definitions and exceeds Lambda's tmp directory max size
        # https://github.com/awslabs/cdk-serverless-clamscan/issues/118
        # file_regex = [r"\w+.c[vl]d", r"freshclam.conf"]
        file_regex = [r"freshclam.conf"]
        file_pattern = r"||".join(file_regex)
        for file in defs_bucket.objects.all():
            filename = file.key
            if re.match(file_pattern, filename):
                defs_bucket.download_file(
                    filename, f"{download_path}/{filename}"
                )
    except botocore.exceptions.ClientError:
        pass