imgtobase64

# -*- coding: utf-8 -*-

import re
import base64
from cStringIO import StringIO

from PIL import Image

def base64_to_image(base64_str, image_path=None):
    base64_data = re.sub('^data:image/.+;base64,', '', base64_str)
    binary_data = base64.b64decode(base64_data)
    img_data = StringIO(binary_data)
    img = Image.open(img_data)
    if image_path:
        img.save(image_path)
    return img

　from:

https://www.jianshu.com/p/2ff8e6f98257