compat.py

   1 """ Stuff that works a bit differently depending on whether we're running in
   2     a ROX or GNOME environment.
   3 """
   4
   5 import os
   6
   7 import gtk as g
   8
   9 _app_info = None
  10
  11 def init_rox():
  12     global get_app_info, get_logo, quit, load_first_config, save_config_path
  13     get_app_info = get_app_info_rox
  14     get_logo = get_logo_rox
  15     quit = quit_rox
  16     load_first_config = load_first_config_rox
  17     save_config_path = save_config_path_rox
  18
  19
  20 def init_gnome():
  21     global get_app_info, get_logo, quit, load_first_config, save_config_path
  22     get_app_info = get_app_info_gnome
  23     get_logo = get_logo_gnome
  24     quit = quit_gnome
  25     load_first_config = load_first_config_gnome
  26     save_config_path = save_config_path_gnome
  27
  28
  29 def get_app_info_rox():
  30     import rox
  31     from rox import AppInfo
  32     global _app_info
  33     if not _app_info:
  34         app_info = AppInfo.AppInfo(os.path.join(rox.app_dir, 'AppInfo.xml'))
  35         _app_info = (app_info.getAuthors(),
  36             app_info.findElements('Version')[0].firstChild.nodeValue.split()[0])
  37     return _app_info
  38
  39
  40 def get_logo_rox(size = 64):
  41     import rox
  42     return g.gdk.pixbuf_new_from_file_at_size( \
  43             os.path.join(rox.app_dir, '.DirIcon'), size, size)
  44
  45
  46 def quit_rox():
  47     import rox
  48     rox.toplevel_unref()
  49     g.main_quit()
  50
  51
  52 def load_first_config_rox(uri, appname, leafname):
  53     from rox import basedir
  54     return basedir.load_first_config(uri, appname, leafname)
  55
  56
  57 def save_config_path_rox(uri, appname):
  58     from rox import basedir
  59     return basedir.save_config_path(uri, appname)
  60
  61
  62 def get_app_info_gnome():
  63     import prefix
  64     global _app_info
  65     if not _app_info:
  66         version = None
  67         authors = None
  68         fp = open(os.path.join(prefix.share_dir, 'AppInfo.xml'))
  69         for l in fp.readlines():
  70             if '<Version>' in l:
  71                 version = l.split('>', 1)[1].split(' ', 1)[0]
  72                 if authors:
  73                     break
  74             elif '<Authors>' in l:
  75                 authors = l.split('>', 1)[1].split('<', 1)[0]
  76                 if version:
  77                     break
  78         fp.close()
  79         _app_info = (authors, version)
  80     return _app_info
  81
  82
  83 def get_logo_gnome(size = 64):
  84     import prefix
  85     return g.gdk.pixbuf_new_from_file_at_size( \
  86             os.path.join(prefix.icons_dir, 'sysbars.svg'),
  87             size, size)
  88
  89
  90 def quit_gnome():
  91     g.main_quit()
  92
  93
  94 def _xdg_config_home():
  95     return os.path.expanduser(os.environ.get('XDG_CONFIG_HOME', '~/.config'))
  96
  97
  98 def load_first_config_gnome(uri, appname, leafname):
  99     for d in [_xdg_config_home()] + \
 100             os.environ.get('XDG_CONFIG_DIRS', '/etc/xdg').split(':'):
 101         f = os.path.join(d, uri, appname, leafname)
 102         if os.path.exists(f):
 103             return f
 104     return None
 105
 106
 107 def save_config_path_gnome(uri, appname):
 108     d = os.path.join(_xdg_config_home(), uri, appname)
 109     if not os.path.isdir(d):
 110         os.makedirs(d, 0755)
 111     return d
 112