Python中的魔杖保存（）方法

每当我们操作图像并想要保留图像以供进一步图像时，我们使用save()函数。 save()函数将图像保存到文件或文件名中。它将最终处理的图像保存在磁盘中。

Syntax :

# image manipulation code
wand.image.save(file = file_object or 
                filename='filename.format')

Parameters :
It has only two parameter and takes only one at a time.

Parameter	Input Type	Description
file	file object	a file object to write to the file parameter
filename	basestring	a filename object to write to the file parameter

Now let’s see code to save image.

Example #1: Save image to the disk.

# import Image from wand.image module
from wand.image import Image
  
# read image using 
with Image(filename ='koala.png') as img:
    # manipulate image
    img.rotate(90 * r)
  
    # save final image after
    img.save(filename ='final.png')

Output :

In output an image named koala.png will be saved in disk

Example #2:

We can save image to output stream using save() function too. For example, the following code converts koala.png image into JPEG, gzips it, and then saves it to koala.jpg.gz:

# import gzip
import gzip
  
# import Image from wand.image module
from wand.image import Image
  
# create gz compressed file
gz = gzip.open('koala.jpg.gz')
  
# read image using Image() function
with Image(filename ='pikachu.png') as img:
    # get format of image
    img.format = 'jpeg'
  
    # save image to output stream using save() function
    img.save(file = gz)
gz.close()

Output :

A compressed file named koala.jpg.gz get saved in disk

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