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| from PIL import Image
def thumbnail(path, savefile='', q=50):
'''压缩并保存到文件'''
img = Image.open(path)
w, h = img.size
width, height = w * q // 100, h * q // 100
img.thumbnail((width, height))
if not savefile:
savefile = '{}_{}x{}.{}'.format(
path, width, height, img.format.lower())
img.save(savefile, img.format)
def thumbnail_to_bytes(cls, path, q=50):
'''压缩并返回字节数据'''
img = Image.open(path)
w, h = img.size
width, height = w * q // 100, h * q // 100
img.thumbnail((width, height))
img_bytes = io.BytesIO()
img.save(img_bytes, img.format)
return img_bytes.getvalue()
thumbnail('test.png', 'new_test.png')
thumbnail_to_bytes('test.png')
|