def lambda_handler()

in sample-demo-lambda-app/lambda_function.py [0:0]

• 16 lines of code
• 4 McCabe index (conditional complexity)

def lambda_handler(event, context):
    # Make some network calls using urllib and s3 client.
    with urlopen(SITE) as response:
        s3_client = boto3.client('s3')
        s3_client.put_object(Body=response.read(),
                             Bucket=S3_BUCKET,
                             Key='response.txt')

    # Publish metrics.
    content_length = int(response.headers['Content-Length'])
    put_metric('ResponseContentLength', content_length)
    put_metric(str(response.status)[0] + 'xxStatus', 1)

    # Generate some CPU-intensive work.
    num = randrange(content_length)
    count = 0
    for _ in range(num):
        x = randrange(num)
        if check_prime(x):
            count += 1

    return count