#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright © 2016 AUF
# Licence: GPL-2
# Author: Progfou <jean-christophe.andre@auf.org>
# Created: 2016-01-21
# Debian-Depends: python (>= 2.6), ghostscript
import sys
import os
from subprocess import Popen, PIPE

for filename in os.getenv("NAUTILUS_SCRIPT_SELECTED_FILE_PATHS", "").split("\n"):
    newdir = os.path.dirname(filename)
    if newdir:
        olddir = os.getcwd()
        os.chdir(newdir)
    filename = os.path.basename(filename)
    root, ext = os.path.splitext(filename)
    # FIXME: vérifier plutôt le type MIME
    if ext.lower() != ".pdf":
        continue
    # première version
    out_filename = root + "-opt1.pdf"
    p = Popen(["/usr/bin/gs", "-dBATCH", "-dNOPAUSE", "-sDEVICE=pdfwrite",
               "-q",
               "-sOutputFile=" + out_filename, filename], stdout=PIPE)
    # deuxième version
    out_filename = root + "-opt2.pdf"
    p = Popen(["/usr/bin/gs", "-dBATCH", "-dNOPAUSE", "-sDEVICE=pdfwrite",
               "-dQUIET", "-dPDFSETTINGS=/ebook", "-dCompatibilityLevel=1.4",
               "-sOutputFile=" + out_filename, filename], stdout=PIPE)
    # retour au contexte initial
    if newdir:
        os.chdir(olddir)

sys.exit(0)