Converting layers of Photoshop files to separate PNGs

layers2png.py

#!/usr/bin/env python3

""" Get all the PSD files in this directory and
    export every layer as a separate PNG.
    Using imagemagick.
"""

from glob import glob
import subprocess

for psdfile in glob('*.psd'):
    print(psdfile)
    
    # find out number of layers
    layers = subprocess.check_output([
                                      'identify', '-format', '%[scene] ', psdfile
                                    ]).decode('utf-8').strip().split(' ')
    
    # export layers, adding -<layernumber>.png for file name
    for layer in layers:
        subprocess.call([
                         'convert',
                         psdfile + '['+ layer +']',
                         psdfile + '-' + layer + '.png'
                       ])