#!/usr/bin/env python
# -*- coding: UTF8 -*-

# Python module home_backup.py
#
# Author: Marcel J. Zwiebel <http://www.nnlinux.com>
#
# Simple Python/GTK backup program to backup an user's home directory,
# developed for the Dutch Linux desktop distribution Nonux:
# <http://www.nonux.nl>
#
# This program 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 3.0 of the License, or (at your option) any later version.
#
# This program 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:
# <http://www.gnu.org/licenses/gpl-3.0.txt>

import os
import gtk
import time
from SimpleGladeApp import SimpleGladeApp

homedir = os.environ['HOME']
backupdir = homedir + '/backup'
backupfile = backupdir + '/nonux.backup'

glade_dir = ""


def run_backup():
	if os.access( backupdir, os.F_OK ) == 0:
		os.mkdir( backupdir, 0640 );

	if os.access( backupfile, os.F_OK ) == 1:
		os.remove( backupfile )

	os.chdir( homedir )
	os.system( '/usr/bin/tar -cjpf /tmp/nonux.backup .' )

	if os.access( '/tmp/nonux.backup', os.F_OK ) == 1:
		os.rename( '/tmp/nonux.backup', backupfile )


class Backup(SimpleGladeApp):
	def __init__(self, glade_path="home_backup.glade", root="backup", domain=None):
		glade_path = os.path.join(glade_dir, glade_path)
		SimpleGladeApp.__init__(self, glade_path, root, domain)

	#def new(self):

	def on_button_cancel_clicked(self, widget, *args):
		self.backup.destroy()

	def on_button_start_pressed(self, widget, *args):
		self.text.set_text('\nMaking backup, please wait...\n\n')
		self.backup.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH))
		
	def on_button_start_released(self, widget, *args):
		os.system( 'sleep 2' )

		run_backup()

		self.backup.window.set_cursor(None)

		if os.access( backupfile, os.F_OK ) == 1:
			widget.hide()
			self.text.set_text('Data backup completed.\nSave the file nonux.backup in the\ndirectory backup on an external medium\nlike for example an USB-stick.')
		else:
			self.text.set_text('\n\nMaking the backup was unsuccessful!\n\n')
		

def main():
	backup = Backup()
	backup.run()


if __name__ == "__main__":
	main()