# 	Copyright (c) 2008 Peter V. Saveliev
#
# 	This file is part of Connexion project.
#
# 	Connexion 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.
#
# 	Connexion 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 Connexion; if not, write to the Free Software
# 	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

try:
	from mx.UID import UID as _UID
	def UID():
		return str(_UID())

except:
	try:
		from uuid import uuid4
		def UID():
			return str(uuid4())

	except:
		try:
			from cxutil import Executor
			def UID():
				return str(Executor("uuidgenx"))

		except:
			counter = 1l
			def UID():
				global counter
				counter += 1
				return str(counter)