#!/usr/bin/env python

#	OpenShot Video Editor is a program that creates, modifies, and edits video files.
#   Copyright (C) 2009  TJ, Jonathan Thomas
#
#	This file is part of OpenShot Video Editor (http://launchpad.net/openshot/).
#
#	OpenShot Video Editor 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 of the License, or
#	(at your option) any later version.
#
#	OpenShot Video Editor 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 OpenShot Video Editor.  If not, see <http://www.gnu.org/licenses/>.

import sys, os

# get the real location of this launcher file (not the link location)
realfile = os.path.realpath(__file__)
realfile_dir = os.path.dirname(os.path.abspath(realfile))

# determine if running from the /openshot/bin folder
parent_folder_path = os.path.dirname(realfile_dir)
bin_path = os.path.join(parent_folder_path, 'openshot')
if os.path.exists(os.path.join(bin_path, 'openshot.py')):
	# insert this path into the Python path
	sys.path.insert(0, bin_path)
	print "Added %s to system path" % bin_path
else:
	
	# determine if running from the /usr/share/openshot folder
	usr_share_path = os.path.join('/', 'usr', 'share', 'openshot')
	if os.path.exists(usr_share_path):
		# insert this path into the Python path
		sys.path.insert(0, usr_share_path)
		print "Added %s to system path" % usr_share_path
		
		

# If the openshot python code is found in the Python path, then
# we should be able to import openshot and call the main() method

try:
	# RUN OPENSHOT (from the openshot/bin folder)
	from openshot import main
	main()

except Exception, err1:
	print ""
	print "------------------------- ERROR 1 ------------------------------"
	print "Failed to import 'from openshot import main'"
	print "Error Message: %s" % err1
	print "----------------------------------------------------------------"
	
	try:
		# RUN OPENSHOT (from the pyshared installed folder).  Most users 
		# will launch openshot from this command.
		from openshot.openshot import main
		main()

	except Exception, err2:
		print ""
		print "------------------------- ERROR 2 ------------------------------"
		print "Failed to import 'from openshot.openshot import main'"
		print "Error Message: %s" % err2
		print "----------------------------------------------------------------"
		print ""
		print "OpenShot has failed to import some of the Python files or libraries "
		print "required for our application to run.  Here are some trouble shooting"
		print "tips:"
		print ""
		print "Tip 1) Check if MLT can be successfully imported in Python.  Run the "
		print " following commands, and see if any errors are displayed.  If you get "
		print " an error, you need to investigate the correct way to install MLT."
		print " NOTE:  Do not type the $ or >> characters in the examples below."
		print ""
		print "       $ python"
		print "       >> import mlt"
		print "       >> mlt.Factory().init()"
		print ""
		print "Tip 2) If MLT is working from the first example, then the next tip is "
		print " to look at the above error messages very closely, and google for more "
		print " help.  It's likely the problem is already reported, and maybe there is"
		print " a simple work-around.  Also, you can search for bugs or report a new "
		print " bug at https://bugs.launchpad.net/openshot.  Good luck!"
		print ""