【未解决】Python中使用PIL图形库去合并png和jpg图片时出错：ValueError: bad transparency mask

【问题】

代码是：

#http://stackoverflow.com/questions/5324647/how-to-merge-a-transparent-png-image-with-another-image-using-pil
import Image

background = Image.open("background.png");  #1676x343
foreground = Image.open("93873.jpg");       #512x512

background.paste(foreground, (0, 0), foreground)
background.show()

结果出错：

D:\tmp\tmp_dev_root\freelance\elance\35177018_web_scrape_121\test_pic_merge>test_pic_merge.py
Traceback (most recent call last):
  File "D:\tmp\tmp_dev_root\freelance\elance\35177018_web_scrape_121\test_pic_merge\test_pic_merge.py", line 10, in <module>
    background.paste(foreground, (0, 0), foreground)
  File "D:\tmp\WordPress\DevRoot\Python27\lib\site-packages\PIL\Image.py", line 1101, in paste
    self.im.paste(im, box, mask.im)
ValueError: bad transparency mask

【解决过程】

1.去参考：

PIL Convert PNG or GIF with Transparency to JPG without

去试试

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