attempt at a pile of bricks

APileOfBricks.py

import sys


def split_vert(vert):
    """ strips surrounding brackets, splits on comma, casts to int
    """
    return [int(c) for c in vert[1:-1].split(',')]


class Hole(object):
    def __init__(self, hole_details):
        self.vert1, self.vert2 = hole_details.split(" ")
        x1, y1 = split_vert(self.vert1)
        x2, y2 = split_vert(self.vert2)
        self.width = abs(x1 - x2)
        self.height = abs(y1 - y2)

    def __str__(self):
        return "{} {}, width {}, height {}".format(
            self.vert1, self.vert2, self.width, self.height)

    def __repr__(self):
        return self.__str__()


class Brick(object):
    def __init__(self, brick_details):
        self.index, self.vert1, self.vert2 = brick_details[1:-1].split(" ")
        x1, y1, z1 = split_vert(self.vert1)
        x2, y2, z2 = split_vert(self.vert2)
        self.small_side = [abs(x1 - x2), abs(y1 - y2), abs(z1 - z2)]
        self.small_side.remove(max(self.small_side))

    def __str__(self):
        return "vert1 is {}, vert2 {}, small_side is {}".format(
            self.vert1, self.vert2, self.small_side)

    def __repr__(self):
        return self.__str__()

    def fits_through(self, hole):
        return (
            self.small_side[0] <= hole.height and
            self.small_side[1] <= hole.width
        ) or (
            self.small_side[0] <= hole.width and
            self.small_side[1] <= hole.height
        )


if __name__ == "__main__":
    with open(sys.argv[1], 'r') as inputs:
        for line in inputs:
            line = line.strip()
            if not line:
                continue
            hole, bricks = line.split("|")
            hole = Hole(hole)
            bricks = [Brick(b) for b in bricks.split(";")]
            answers = [b.index for b in bricks if b.fits_through(hole)]
            print ",".join(answers) or "-"