import base64

def convert(image):

    f = open(image)

    img_raw_data = f.read()

    f.close()

    img_b64_string = base64.b64encode(img_raw_data)

    convert_img_raw_data = base64.b64decode(img_b64_string)

    t = open("example.png", "w+")

    t.write(convert_img_raw_data)

    t.close()

if __name__ == "__main__":

    convert("test.png")