00001 # Software License Agreement (BSD License) 00002 # 00003 # Copyright (c) 2012, Willow Garage, Inc. 00004 # All rights reserved. 00005 # 00006 # Redistribution and use in source and binary forms, with or without 00007 # modification, are permitted provided that the following conditions 00008 # are met: 00009 # 00010 # * Redistributions of source code must retain the above copyright 00011 # notice, this list of conditions and the following disclaimer. 00012 # * Redistributions in binary form must reproduce the above 00013 # copyright notice, this list of conditions and the following 00014 # disclaimer in the documentation and/or other materials provided 00015 # with the distribution. 00016 # * Neither the name of Willow Garage, Inc. nor the names of its 00017 # contributors may be used to endorse or promote products derived 00018 # from this software without specific prior written permission. 00019 # 00020 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00021 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00024 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00027 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00028 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00029 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00030 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00031 # POSSIBILITY OF SUCH DAMAGE. 00032 00033 00034 def pack(data): 00035 """ 00036 Packs 'data' into a form that can be easily and readably written to an ini file 00037 :param data: A list of strings or a list of items with a 'text' method to be flattened into a string ''list'' 00038 :return: A string suitable for output to ini files ''str'' 00039 """ 00040 if len(data) == 0: 00041 return '' 00042 00043 def _get_str(item): 00044 try: 00045 return item.text() 00046 except: 00047 return item 00048 00049 data = [_get_str(value) for value in data] 00050 if len(data) == 1: 00051 return data[0] 00052 return data 00053 00054 00055 def unpack(data): 00056 """ 00057 Unpacks the values read from an ini file 00058 :param data: An entry taken from an ini file ''list or string'' 00059 :return: A list of strings ''list'' 00060 """ 00061 if data is None or data == '': 00062 data = [] 00063 elif isinstance(data, basestring): 00064 data = [data] 00065 return data 00066