cube_a.py

# pylint: disable=too-few-public-methods
"A Class of Cube from Company A"
import time
from interface_cube_a import ICubeA


class CubeA(ICubeA):
    "A hypothetical Cube tool from company A"
    # a static variable indicating the last time a cube was manufactured
    last_time = int(time.time())

    def __init__(self):
        self.width = self.height = self.depth = 0

    def manufacture(self, width, height, depth):
        self.width = width
        self.height = height
        self.depth = depth
        # if not busy, then manufacture a cube with dimensions
        now = int(time.time())
        if now > int(CubeA.last_time + 1):
            CubeA.last_time = now
            return True
        return False  # busy