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[英]Python 3 - How can I open an image in pillow that I already opened using open('image','r')
[英]How can i open image file after compression in Pillow Python?
尝试在Pillow-PYTHON中打开和压缩图像时
image = Image.open("some_image.jpg");
fpath = io.BytesIO();
image.save(fpath,'JPEG',dpi=[300,300], quality=image_quality);
compressed_image = Image.open(fpath.getvalue());
打开压缩图像时出现以下错误
TypeError: embedded NUL character
知道如何让图像打开吗?
使用BytesIO
对象本身:
In [1]: from PIL import Image
In [2]: from io import BytesIO
In [3]: image = Image.open("foo.jpg")
In [4]: fpath = BytesIO()
In [5]: image.save(fpath,'JPEG', dpi=[300, 300], quality=40)
In [6]: fpath.seek(0)
Out[6]: 0
In [7]: compressed_image = Image.open(fpath)
如果你不使用fpath.seek(0)
,你会收到一个错误,因为文件位置在“文件”的末尾,并且没有什么可读的。
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