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from PIL import Image
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DEFAULT_PADDING = 1
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def pad_img(img, clip=False, top=DEFAULT_PADDING, right=DEFAULT_PADDING, bottom=DEFAULT_PADDING, left=DEFAULT_PADDING):
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    if clip:
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        img = img.crop(img.getbbox())
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    width, height = img.size
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    new_width = width + right + left
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    new_height = height + top + bottom
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    result = Image.new('RGBA', (new_width, new_height), (0, 0, 0, 0))
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    result.paste(img, (left, top))
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    return result
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def clean_up(*args):
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    for img in args:
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        img.close()
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