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Commitc2671e4

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add compress images tutorial
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‎README.md

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@@ -186,5 +186,6 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
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-[How to Extract Video Metadata in Python](https://www.thepythoncode.com/article/extract-media-metadata-in-python). ([code](python-for-multimedia/extract-video-metadata))
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-[How to Record a Specific Window in Python](https://www.thepythoncode.com/article/record-a-specific-window-in-python). ([code](python-for-multimedia/record-specific-window))
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-[How to Add Audio to Video in Python](https://www.thepythoncode.com/article/add-audio-to-video-in-python). ([code](python-for-multimedia/add-audio-to-video))
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-[How to Compress Images in Python](https://www.thepythoncode.com/article/compress-images-in-python). ([code](python-for-multimedia/compress-image))
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For any feedback, please consider pulling requests.
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#[How to Compress Images in Python](https://www.thepythoncode.com/article/compress-images-in-python)
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To run this:
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-`pip3 install -r requirements.txt`
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-`python compress_image.py --help`
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importos
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fromPILimportImage
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defget_size_format(b,factor=1024,suffix="B"):
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"""
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Scale bytes to its proper byte format
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e.g:
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1253656 => '1.20MB'
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1253656678 => '1.17GB'
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"""
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forunitin ["","K","M","G","T","P","E","Z"]:
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ifb<factor:
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returnf"{b:.2f}{unit}{suffix}"
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b/=factor
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returnf"{b:.2f}Y{suffix}"
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defcompress_img(image_name,new_size_ratio=0.9,quality=90,width=None,height=None,to_jpg=True):
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# load the image to memory
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img=Image.open(image_name)
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# print the original image shape
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print("[*] Image shape:",img.size)
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# get the original image size in bytes
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image_size=os.path.getsize(image_name)
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# print the size before compression/resizing
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print("[*] Size before compression:",get_size_format(image_size))
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ifnew_size_ratio<1.0:
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# if resizing ratio is below 1.0, then multiply width & height with this ratio to reduce image size
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img=img.resize((int(img.size[0]*new_size_ratio),int(img.size[1]*new_size_ratio)),Image.ANTIALIAS)
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# print new image shape
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print("[+] New Image shape:",img.size)
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elifwidthandheight:
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# if width and height are set, resize with them instead
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img=img.resize((width,height),Image.ANTIALIAS)
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# print new image shape
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print("[+] New Image shape:",img.size)
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# split the filename and extension
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filename,ext=os.path.splitext(image_name)
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# make new filename appending _compressed to the original file name
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ifto_jpg:
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# change the extension to JPEG
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new_filename=f"{filename}_compressed.jpg"
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else:
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# retain the same extension of the original image
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new_filename=f"{filename}_compressed{ext}"
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try:
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# save the image with the corresponding quality and optimize set to True
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img.save(new_filename,quality=quality,optimize=True)
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exceptOSError:
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# convert the image to RGB mode first
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img=img.convert("RGB")
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# save the image with the corresponding quality and optimize set to True
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img.save(new_filename,quality=quality,optimize=True)
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print("[+] New file saved:",new_filename)
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# get the new image size in bytes
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new_image_size=os.path.getsize(new_filename)
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# print the new size in a good format
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print("[+] Size after compression:",get_size_format(new_image_size))
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# calculate the saving bytes
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saving_diff=new_image_size-image_size
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# print the saving percentage
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print(f"[+] Image size change:{saving_diff/image_size*100:.2f}% of the original image size.")
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if__name__=="__main__":
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importargparse
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parser=argparse.ArgumentParser(description="Simple Python script for compressing and resizing images")
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parser.add_argument("image",help="Target image to compress and/or resize")
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parser.add_argument("-j","--to-jpg",action="store_true",help="Whether to convert the image to the JPEG format")
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parser.add_argument("-q","--quality",type=int,help="Quality ranging from a minimum of 0 (worst) to a maximum of 95 (best). Default is 90",default=90)
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parser.add_argument("-r","--resize-ratio",type=float,help="Resizing ratio from 0 to 1, setting to 0.5 will multiply width & height of the image by 0.5. Default is 1.0",default=1.0)
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parser.add_argument("-w","--width",type=int,help="The new width image, make sure to set it with the `height` parameter")
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parser.add_argument("-hh","--height",type=int,help="The new height for the image, make sure to set it with the `width` parameter")
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args=parser.parse_args()
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# print the passed arguments
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print("="*50)
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print("[*] Image:",args.image)
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print("[*] To JPEG:",args.to_jpg)
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print("[*] Quality:",args.quality)
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print("[*] Resizing ratio:",args.resize_ratio)
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ifargs.widthandargs.height:
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print("[*] Width:",args.width)
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print("[*] Height:",args.height)
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print("="*50)
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# compress the image
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compress_img(args.image,args.resize_ratio,args.quality,args.width,args.height,args.to_jpg)
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