import cv2


def draw_boxes(image, boxes):
    """
    Draw bounding boxes on image
    :param image: Input image
    :param boxes: List of bounding boxes in format [(x1, y1, x2, y2), ...]
    :return: Image with boxes drawn
    """
    for box in boxes:
        x1, y1, x2, y2 = box
        cv2.rectangle(image, (x1, y1), (x2, y2), (0, 255, 0), 2)
    return image


def allowed_file(filename, allowed_extensions):
    return '.' in filename and \
           filename.rsplit('.', 1)[1].lower() in allowed_extensions