code_for_merge_images.py

import subprocess
import os
from datetime import datetime

utime = datetime.now()
utime2 = utime.strftime("%Y_%m_%d_%H.%M.%S")
output_file = '/Users/john/Desktop/output-combine_images_%s.png' % utime2
script_file = '/Users/john/Desktop/ori.py'
column = 0

cmd = """ 

tell application "Finder"
    set sel to selection
    set selcount to count sel
end tell
if selcount is greater than 1 then
    set list_imagefile to {}
    repeat with i from 1 to selcount
        copy (quoted form of POSIX path of (item i of sel as string)) & space to end of list_imagefile
    end repeat
else
    display dialog "Image File Must Be Selected More Than One" with title "Alert"
    return
end if
set list_imagefile to list_imagefile as string
return list_imagefile

"""

aa = subprocess.run(['osascript', '-e', cmd],capture_output=True)
bb = aa.stdout
cc = bb.decode()

cmd1 = "python3 %s -c %s -o %s %s" % (script_file,column,output_file, cc)
os.system(cmd1)