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# -*- coding: utf-8 -*-
#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
## Contact: http://www.qt-project.org/legal
##
## This file is part of the Qt Installer Framework.
##
## $QT_BEGIN_LICENSE:LGPL$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and Digia.  For licensing terms and
## conditions see http://qt.digia.com/licensing.  For further information
## use the contact form at http://qt.digia.com/contact-us.
##
## GNU Lesser General Public License Usage
## Alternatively, this file may be used under the terms of the GNU Lesser
## General Public License version 2.1 as published by the Free Software
## Foundation and appearing in the file LICENSE.LGPL included in the
## packaging of this file.  Please review the following information to
## ensure the GNU Lesser General Public License version 2.1 requirements
## will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
##
## In addition, as a special exception, Digia gives you certain additional
## rights.  These rights are described in the Digia Qt LGPL Exception
## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3.0 as published by the Free Software
## Foundation and appearing in the file LICENSE.GPL included in the
## packaging of this file.  Please review the following information to
## ensure the GNU General Public License version 3.0 requirements will be
## met: http://www.gnu.org/copyleft/gpl.html.
##
##
## $QT_END_LICENSE$
##
#############################################################################


import ConfigParser, inspect, os, string, sys
from random import Random

def findVMRun():
    searchDirectories = os.environ['PATH'].split(os.pathsep)
    searchDirectories.append("/Library/Application Support/VMware Fusion")
    for directory in searchDirectories:
        possibleFile = os.path.join(directory, 'vmrun')
        if os.path.isfile(possibleFile):
            return possibleFile
    return None

def basename( path ):
    if path.endswith( os.path.sep ):
        return os.path.basename( path[0,-1] )
    else:
        return os.path.basename( path )
    
def makeAbsolutePath( path, relativeTo ):
    if os.path.isabs( path ) or relativeTo == None:
        return path
    else:
        return relativeTo + os.sep + path

def execution_path( filename ):
  return os.path.join( os.path.dirname( inspect.getfile( sys._getframe( 1 ) ) ), filename )

def unixPathSep( s ):
    return s.replace( '\\', '/' )

def get_config_option( config, initial, option, default=None, section="General" ):
    # If there's already a valid option from the commandline,
    # override the value from the configuration file.
    if initial != None:
        print( "** Overridden {0}={1}".format( option, initial ) )
        return initial
    try:
        tmp = config.get( section, option )
        print( "** Read config value {0}={1}".format( option, tmp ) )
        return tmp
    except (ConfigParser.NoOptionError, ConfigParser.NoSectionError):
        print( "** Using default value {0}={1}".format( option, default ) )
        return default

def get_enumerated_config_option( config, option ):
    res = []
    i = 0
    while True:
        key = option + str( i )
        val = get_config_option( config, None, key )
        if val == None:
            print res
            return res
        res.append( val )
        i += 1

def randomString( length ):
    return ''.join( Random().sample( string.letters + string.digits, length ) )