faces/utils.py

   1 ############################################################################
   2 #   Copyright (C) 2005 by Reithinger GmbH
   3 #   mreithinger@web.de
   4 #
   5 #   This file is part of faces.
   6 #
   7 #   faces is free software; you can redistribute it and/or modify
   8 #   it under the terms of the GNU General Public License as published by
   9 #   the Free Software Foundation; either version 2 of the License, or
  10 #   (at your option) any later version.
  11 #
  12 #   faces is distributed in the hope that it will be useful,
  13 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #   GNU General Public License for more details.
  16 #
  17 #   You should have received a copy of the GNU General Public License
  18 #   along with this program; if not, write to the
  19 #   Free Software Foundation, Inc.,
  20 #   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 ############################################################################
  22
  23 import observer
  24 import os.path
  25 import sys
  26 import os.path
  27
  28 _call_dir = os.path.abspath(os.path.dirname(sys.argv[0]))
  29
  30 def get_installation_path():
  31     try:
  32         if sys.frozen:
  33             path = _call_dir
  34         else:
  35             raise AttributeError()
  36     except AttributeError:
  37         path = os.path.abspath(observer.__file__)
  38         path = os.path.split(path)[0]
  39
  40     path = os.path.normcase(path)
  41     return path
  42
  43
  44 def get_resource_path():
  45     try:
  46         if sys.frozen:
  47             path = _call_dir
  48             path = os.path.join(path, "resources", "faces", "gui")
  49         else:
  50             raise AttributeError()
  51     except AttributeError:
  52         path = get_installation_path()
  53         path = os.path.join(path, "gui", "resources")
  54
  55     path = os.path.normcase(path)
  56     return path
  57
  58
  59 def get_template_path():
  60     try:
  61         if sys.frozen:
  62             path = _call_dir
  63             path = os.path.join(path, "resources", "faces", "templates")
  64         else:
  65             raise AttributeError()
  66     except AttributeError:
  67         path = get_installation_path()
  68         path = os.path.join(path, "templates")
  69
  70     path = os.path.normcase(path)
  71     return path
  72
  73
  74 def get_howtos_path():
  75     try:
  76         if sys.frozen:
  77             path = _call_dir
  78         else:
  79             raise AttributeError()
  80     except AttributeError:
  81         path = get_installation_path()
  82
  83     path = os.path.join(path, "howtos")
  84     path = os.path.normcase(path)
  85     return path
  86
  87
  88
  89 def flatten(items):
  90     if isinstance(items, tuple):
  91         items = list(items)
  92
  93     if not isinstance(items, list):
  94         yield items
  95
  96     stack = [iter(items)]
  97     while stack:
  98         for item in stack[-1]:
  99             if isinstance(item, tuple):
 100                 item = list(item)
 101
 102             if isinstance(item, list):
 103                 stack.append(iter(item))
 104                 break
 105             yield item
 106         else:
 107             stack.pop()
 108
 109
 110 def do_yield():
 111     pass
 112
 113
 114 def progress_start(title, maximum, message=""):
 115     pass
 116
 117 def progress_update(value, message=""):
 118     pass
 119
 120 def progress_end():
 121     pass
 122
 123
 124