#!/usr/bin/env python
# -*- python-mode -*-
# -*- coding: UTF-8 -*-

## Copyright (C) 2012-2013  Daniel Pavel
##
## 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 2 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.
##
## You should have received a copy of the GNU General Public License along
## with this program; if not, write to the Free Software Foundation, Inc.,
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

from __future__ import absolute_import, unicode_literals


def init_paths():
	"""Make the app work in the source tree."""
	import sys
	import os.path as _path

	# Python 2 need conversion from utf-8 filenames
	# Python 3 might have problems converting back to UTF-8 in case of Unicode surrogates
	try:
	    if sys.version_info < (3,):
	    	decoded_path = sys.path[0].decode(sys.getfilesystemencoding())
	    else:
	    	decoded_path = sys.path[0]
	    	sys.path[0].encode(sys.getfilesystemencoding())

	except UnicodeError:
	    sys.stderr.write('ERROR: Solaar cannot recognize encoding of filesystem path, this may happen because non UTF-8 characters in the pathname.\n')
	    sys.exit(1)

	prefix = _path.normpath(_path.join(_path.realpath(decoded_path), '..'))
	src_lib = _path.join(prefix, 'lib')
	share_lib = _path.join(prefix, 'share', 'solaar', 'lib')
	for location in src_lib, share_lib:
		init_py = _path.join(location, 'solaar', '__init__.py')
		# print ("sys.path[0]: checking", init_py)
		if _path.exists(init_py):
			# print ("sys.path[0]: found", location, "replacing", sys.path[0])
			sys.path[0] = location
			break


if __name__ == '__main__':
	init_paths()
	import solaar.gtk
	solaar.gtk.main()