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# Copyright (C) 2008-2009 Gianluca Montecchi <gian@grys.it>
# W. Trevor King <wking@drexel.edu>
#
# 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.
"""
Backwards compatibility support for Python 2.4. Once people give up
on 2.4 ;), the uuid call should be merged into bugdir.py
"""
import libbe
if libbe.TESTING == True:
import unittest
try:
from uuid import uuid4 # Python >= 2.5
def uuid_gen():
id = uuid4()
idstr = id.urn
start = "urn:uuid:"
assert idstr.startswith(start)
return idstr[len(start):]
except ImportError:
import os
import sys
from subprocess import Popen, PIPE
def uuid_gen():
# Shell-out to system uuidgen
args = ['uuidgen', 'r']
try:
if sys.platform != "win32":
q = Popen(args, stdin=PIPE, stdout=PIPE, stderr=PIPE)
else:
# win32 don't have os.execvp() so have to run command in a shell
q = Popen(args, stdin=PIPE, stdout=PIPE, stderr=PIPE,
shell=True, cwd=cwd)
except OSError, e :
strerror = "%s\nwhile executing %s" % (e.args[1], args)
raise OSError, strerror
output, error = q.communicate()
status = q.wait()
if status != 0:
strerror = "%s\nwhile executing %s" % (status, args)
raise Exception, strerror
return output.rstrip('\n')
if libbe.TESTING == True:
class UUIDtestCase(unittest.TestCase):
def testUUID_gen(self):
id = uuid_gen()
self.failUnless(len(id) == 36, "invalid UUID '%s'" % id)
suite = unittest.TestLoader().loadTestsFromTestCase(UUIDtestCase)
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