#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Hooks script for gPodder to convert id3 version 2 to id3 version 1
# because some devices do not support version 2
#
# Version 1.0 - Rodolfo García Peñas (kix) <kix@kix.es>
# To use, copy it as a Python script into ~/.config/gpodder/hooks/id3v2toid3v1.py
#
# Dependencies:
# * This script needs the eyeD3 command in the $PATH
#   In debian is included in the package eyed3
#
# This script is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# gPodder is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import gpodder
import subprocess
import os

from gpodder.liblogger import log

def id3v2toid3v1(from_file, to_file):
    try:
        command = 'eyeD3 --to-v1.1 "%s"' % (to_file)
        log("id3v2toid3v1: Executing %s", command)
        p = subprocess.Popen(command, shell=True)
        # retcode[1] values:
        # <0: error | 0: success
        retcode = os.waitpid(p.pid, 0)
        log("id3v2toid3v1: Child with pid %s returned %s", retcode[0], retcode[1])
    except OSError, e:
        log("id3v2toid3v1: Execution failed: %s", e)

class gPodderHooks(object):
    def __init__(self):
        log('id3v2toid3v1 extension: Initializing.')

    def on_file_copied_to_filesystem(self, mp3playerdevice, from_file, to_file):
        log('id3v2toid3v1: on_file_copied_to_filesystem(%s, %s)' % (from_file, to_file))
        id3v2toid3v1(from_file, to_file)