Compress Images in Python

readme.md

Read the complete article on how to compress images in Python: https://blog.aspose.com/imaging/compress-images-in-python/

compress-image-python.py

from aspose.imaging.fileformats.png import PngColorType
from aspose.imaging.imageoptions import PngOptions
from aspose.imaging import ColorPaletteHelper, Image
import os


if 'TEMPLATE_DIR' in os.environ:
	templates_folder = os.environ['TEMPLATE_DIR']
else:
	templates_folder = r"C:\Users\USER\Downloads\templates"

delete_output = 'SAVE_OUTPUT' not in os.environ


def compress_png():
  	# Input and output file paths
	input_file = os.path.join(templates_folder, "template.png")
	output_file = os.path.join(templates_folder, "compressed_png.png")
  
  	# Load image
	with Image.load(input_file) as image:
		obj_init = PngOptions()
    
    		# Set compression level
		obj_init.compression_level = 9
		obj_init.progressive = True
		obj_init.color_type = PngColorType.INDEXED_COLOR
		obj_init.palette = ColorPaletteHelper.get_close_image_palette(image, 1 << 5)
    
    		# Save compressed image
		image.save(output_file, obj_init)

	if delete_output:
		os.remove(output_file)