#run this in any directory add -v for verbose 
#get Pillow (fork of PIL) from pip before running --> pip install Pillow

import os
import sys
from PIL import Image

def compressMe(file, verbose=False):
  	# Get the path of the file
	filepath = os.path.join(os.getcwd(), file)
	picture = Image.open(filepath)
    # Save the picture with desired quality
    # To change the quality of image, set the quality variable at your desired level
    # The more the value of quality variable and lesser the compression
	picture.save("Compressed_"+file,"JPEG",optimize=True,quality=10)
	return

def main():
	verbose = False
	#checks for verbose flag
	if (len(sys.argv)>1):
		if (sys.argv[1].lower()=="-v"):
			verbose = True
                    
	#finds current working dir
	cwd = os.getcwd()

	formats = ('.jpg', '.jpeg')
	for file in os.listdir(cwd):  	
	    # If the file format is JPG or JPEG
		if os.path.splitext(file)[1].lower() in formats:
			print('compressing', file)
			compressMe(file, verbose)

	print("Done")

if __name__ == "__main__":
	main()
