Compress images in a folder using TinyPNG plugin in Python

tinypng-compress-images.py

import tinify
import os

tinify.key = "API_KEY"

arr = os.listdir('uncompressed')
arrLen = len(arr)

// GET SIZE OF THE DIRECTORIES
def get_size(start_path = '.'):
    total_size = 0
    for dirpath, dirnames, filenames in os.walk(start_path):
        for f in filenames:
            fp = os.path.join(dirpath, f)
            # skip if it is symbolic link
            if not os.path.islink(fp):
                total_size += os.path.getsize(fp)

    return total_size

// LOOP IMAGES ONE BY ONE
for x in arr:
    print('------------------------------')
    filename, file_extension = os.path.splitext(x)
    print(filename + ' processing...')
    print(str(arrLen) + ' remaining')
    source = tinify.from_file("uncompressed/"+x) // COMPRESS IMAGE
    source.to_file("compressed/"+x) // SAVE COMPRESSED IMAGE
    arrLen = arrLen - 1


// PRINT DIFFERENCE OF SIZES
uncompressed = get_size('uncompressed')
compressed = get_size('compressed')
print('Uncompressed Size : ', get_size('uncompressed'), 'bytes')
print('Compressed Size : ', get_size('compressed'), 'bytes')
print('####### YOU SAVED ', uncompressed - compressed, ' BYTES ###############')