fixed some problems with python setup.py operations due to import problems

rhodecode/__init__.py

@@ -1,48 +1,52
 # -*- coding: utf-8 -*-
 """
     rhodecode.__init__
     ~~~~~~~~~~~~~~~~~~
 
     RhodeCode, a web based repository management based on pylons
     versioning implementation: http://semver.org/
 
     :created_on: Apr 9, 2010
     :author: marcink
     :copyright: (C) 2009-2010 Marcin Kuzminski <[e-mail]>    
     :license: GPLv3, see COPYING for more details.
 """
 # 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; version 2
 # of the License or (at your opinion) any later version of the license.
 # 
 # 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.
 
 
 VERSION = (1, 1, 0, 'beta')
 __version__ = '.'.join((str(each) for each in VERSION[:4]))
 __dbversion__ = 2 #defines current db version for migrations
 
+try:
 from rhodecode.lib.utils import get_current_revision
 _rev = get_current_revision()
+except ImportError:
+    #this is needed when doing some setup.py operations
+    _rev = False
 
 if len(VERSION) > 3 and _rev:
     __version__ += ' [rev:%s]' % _rev[0]
 
 def get_version():
     """Returns shorter version (digit parts only) as string."""
 
     return '.'.join((str(each) for each in VERSION[:3]))
 
 BACKENDS = {
     'hg': 'Mercurial repository',
    #'git': 'Git repository',
 }