src/gpodder/__init__.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 # gPodder - A media aggregator and podcast client
   4 # Copyright (c) 2005-2010 Thomas Perl and the gPodder Team
   5 #
   6 # gPodder is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # gPodder is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20 __author__    = 'Thomas Perl <thp@gpodder.org>'
  21 __version__   = '2.5'
  22 __date__      = '2010-04-20'
  23 __copyright__ = '© 2005-2010 Thomas Perl and the gPodder Team'
  24 __licence__   = 'GNU General Public License, version 3 or later'
  25 __url__       = 'http://gpodder.org/'
  26
  27 import os
  28 import sys
  29 import platform
  30 import gettext
  31 import locale
  32
  33 # Check if real hard dependencies are available
  34 try:
  35     import feedparser
  36 except ImportError:
  37     print """
  38   Error: Module "feedparser" not found. Please install "python-feedparser".
  39          The feedparser module can be downloaded from www.feedparser.org.
  40 """
  41     sys.exit(1)
  42 del feedparser
  43
  44 try:
  45     import mygpoclient
  46 except ImportError:
  47     print """
  48   Error: Module "mygpoclient" not found. Please install "python-mygpoclient"
  49          or download it from http://thpinfo.com/2010/mygpoclient/
  50 """
  51     sys.exit(1)
  52 del mygpoclient
  53
  54 # The User-Agent string for downloads
  55 user_agent = 'gPodder/%s (+%s)' % (__version__, __url__)
  56
  57 # Are we running in GUI, Maemo or console mode?
  58 class UI(object):
  59     def __init__(self):
  60         self.desktop = False
  61         self.diablo = False
  62         self.fremantle = False
  63
  64     @property
  65     def maemo(self):
  66         return self.diablo or self.fremantle
  67
  68 ui = UI()
  69
  70 # D-Bus specific interface names
  71 dbus_bus_name = 'org.gpodder'
  72 dbus_gui_object_path = '/gui'
  73 dbus_podcasts_object_path = '/podcasts'
  74 dbus_interface = 'org.gpodder.interface'
  75 dbus_podcasts = 'org.gpodder.podcasts'
  76
  77 # Set "win32" to True if we are on Windows
  78 win32 = (platform.system() == 'Windows')
  79
  80 # i18n setup (will result in "gettext" to be available)
  81 # Use   _ = gpodder.gettext   in modules to enable string translations
  82 textdomain = 'gpodder'
  83 locale_dir = gettext.bindtextdomain(textdomain)
  84 t = gettext.translation(textdomain, locale_dir, fallback=True)
  85 gettext = t.ugettext
  86 ngettext = t.ungettext
  87 if win32:
  88     # Workaround for bug 650
  89     from gtk.glade import bindtextdomain
  90     bindtextdomain(textdomain, locale_dir)
  91     del bindtextdomain
  92 del t
  93
  94 # Set up textdomain for gtk.Builder (this accesses the C library functions)
  95 if hasattr(locale, 'bindtextdomain'):
  96     locale.bindtextdomain(textdomain, locale_dir)
  97 else:
  98     # On Win32, the locale module does not have bindtextdomain. We use a
  99     # small module that provides similar functionality here (from doc/dev/).
 100     try:
 101         import gtkbuilderi18n
 102         gtkbuilderi18n.bindtextdomain(textdomain, locale_dir)
 103     except ImportError, ioe:
 104         pass
 105
 106 del locale_dir
 107
 108 # Set up socket timeouts to fix bug 174
 109 SOCKET_TIMEOUT = 60
 110 import socket
 111 socket.setdefaulttimeout(SOCKET_TIMEOUT)
 112 del socket
 113 del SOCKET_TIMEOUT
 114
 115 # Variables reserved for GUI-specific use (will be set accordingly)
 116 ui_folders = []
 117 credits_file = None
 118 icon_file = None
 119 images_folder = None
 120
 121 # Episode states used in the database
 122 STATE_NORMAL, STATE_DOWNLOADED, STATE_DELETED = range(3)
 123
 124 # Default locations for configuration and data files
 125 default_home = os.path.expanduser(os.path.join('~', '.config', 'gpodder'))
 126 home = os.environ.get('GPODDER_HOME', None)
 127 if home is None:
 128     home = default_home
 129 else:
 130     print >>sys.stderr, 'Using', home, 'to store data (GPODDER_HOME is set)'
 131 subscription_file = os.path.join(home, 'channels.opml')
 132 config_file = os.path.join(home, 'gpodder.conf')
 133 database_file = os.path.join(home, 'database.sqlite')
 134
 135 # Plugins to load by default
 136 DEFAULT_PLUGINS = ['gpodder.soundcloud']
 137
 138 def load_plugins():
 139     """Load (non-essential) plugin modules
 140
 141     This loads a default set of plugins, but you can use
 142     the environment variable "GPODDER_PLUGINS" to modify
 143     the list of plugins."""
 144     global DEFAULT_PLUGINS
 145     PLUGINS = os.environ.get('GPODDER_PLUGINS', None)
 146     if PLUGINS is None:
 147         PLUGINS = DEFAULT_PLUGINS
 148     else:
 149         PLUGINS = PLUGINS.split()
 150     import imp
 151     for plugin in PLUGINS:
 152         try:
 153             __import__(plugin)
 154             print >>sys.stderr, 'Plugin loaded:', plugin
 155         except Exception, e:
 156             print >>sys.stderr, 'Cannot load plugin: %s (%s)' % (plugin, e)
 157