def get_image()

in services/read-gauge.py [0:0]

• 13 lines of code
• 2 McCabe index (conditional complexity)

def get_image(url,bucket_name,image_key):
    # download the image, convert it to a NumPy array, and then read
    # it into OpenCV format
    s3 = boto3.client("s3", region_name=os.environ['AWS_REGION'])
    # s3 = boto3.client("s3", region_name="us-east-1")
    file_obj = s3.get_object(Bucket=bucket_name, Key=image_key)
    # reading the file content in bytes
    file_content = file_obj["Body"].read()

    # creating 1D array from bytes data range between[0,255]
    np_array = np.frombuffer(file_content, np.uint8)
    # decoding array
    image = cv2.imdecode(np_array, cv2.IMREAD_COLOR)
    return image