currency.py 文件源码

def _flip_image(self, num_sides):
        images = {
            Side.heads: self._heads_image,
            Side.tails: self._tails_image,
        }
        stats = collections.Counter()

        root = num_sides ** 0.5
        height, width = round(root), int(math.ceil(root))

        sides = (random.choices(SIDES, WEIGHTS)[0] for _ in range(num_sides))

        size = self.image_size
        image = Image.new('RGBA', (width * size, height * size))

        for i, side in enumerate(sides):
            y, x = divmod(i, width)
            image.paste(images[side], (x * size, y * size))
            stats[side] += 1

        message = ' and '.join(pluralize(**{str(side)[:-1]: n}) for side, n in stats.items())

        f = io.BytesIO()
        image.save(f, 'png')
        f.seek(0)

        return message, discord.File(f, filename='flipcoins.png')