src/gpodder/__init__.py

   1 # -*- coding: utf-8 -*-
   2 #
   3 # gPodder - A media aggregator and podcast client
   4 # Copyright (c) 2005-2012 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__   = '3.0.4'
  22 __date__      = '2012-01-24'
  23 __relname__   = 'Weekend Vampire'
  24 __copyright__ = '© 2005-2012 Thomas Perl and the gPodder Team'
  25 __license__   = 'GNU General Public License, version 3 or later'
  26 __url__       = 'http://gpodder.org/'
  27
  28 __version_info__ = tuple(int(x) for x in __version__.split('.'))
  29
  30 import os
  31 import sys
  32 import platform
  33 import gettext
  34 import locale
  35
  36 # Check if real hard dependencies are available
  37 try:
  38     import feedparser
  39 except ImportError:
  40     print """
  41   Error: Module "feedparser" (python-feedparser) not found.
  42          The feedparser module can be downloaded from
  43          http://code.google.com/p/feedparser/
  44 """
  45     sys.exit(1)
  46 del feedparser
  47
  48 try:
  49     import mygpoclient
  50 except ImportError:
  51     print """
  52   Error: Module "mygpoclient" (python-mygpoclient) not found.
  53          The mygpoclient module can be downloaded from
  54          http://thp.io/2010/mygpoclient/
  55 """
  56     sys.exit(1)
  57 del mygpoclient
  58
  59 # The User-Agent string for downloads
  60 user_agent = 'gPodder/%s (+%s)' % (__version__, __url__)
  61
  62 # Are we running in GUI, Maemo or console mode?
  63 class UI(object):
  64     def __init__(self):
  65         self.desktop = False
  66         self.fremantle = False
  67         self.harmattan = False
  68         self.qt = False
  69         self.gtk = False
  70
  71
  72 ui = UI()
  73
  74 # D-Bus specific interface names
  75 dbus_bus_name = 'org.gpodder'
  76 dbus_gui_object_path = '/gui'
  77 dbus_podcasts_object_path = '/podcasts'
  78 dbus_interface = 'org.gpodder.interface'
  79 dbus_podcasts = 'org.gpodder.podcasts'
  80 dbus_session_bus = None
  81
  82 # Set "win32" to True if we are on Windows
  83 win32 = (platform.system() == 'Windows')
  84 # Set "osx" to True if we are on Mac OS X
  85 osx = (platform.system() == 'Darwin')
  86
  87 # i18n setup (will result in "gettext" to be available)
  88 # Use   _ = gpodder.gettext   in modules to enable string translations
  89 textdomain = 'gpodder'
  90 locale_dir = gettext.bindtextdomain(textdomain)
  91 t = gettext.translation(textdomain, locale_dir, fallback=True)
  92
  93 try:
  94     # Python 2
  95     gettext = t.ugettext
  96     ngettext = t.ungettext
  97 except AttributeError:
  98     # Python 3
  99     gettext = t.gettext
 100     ngettext = t.ngettext
 101
 102 if win32:
 103     try:
 104         # Workaround for bug 650
 105         from gtk.glade import bindtextdomain
 106         bindtextdomain(textdomain, locale_dir)
 107         del bindtextdomain
 108     except:
 109         # Ignore for QML UI or missing glade module
 110         pass
 111 del t
 112
 113 # Set up textdomain for gtk.Builder (this accesses the C library functions)
 114 if hasattr(locale, 'bindtextdomain'):
 115     locale.bindtextdomain(textdomain, locale_dir)
 116
 117 del locale_dir
 118
 119 # Set up socket timeouts to fix bug 174
 120 SOCKET_TIMEOUT = 60
 121 import socket
 122 socket.setdefaulttimeout(SOCKET_TIMEOUT)
 123 del socket
 124 del SOCKET_TIMEOUT
 125
 126 # Variables reserved for GUI-specific use (will be set accordingly)
 127 ui_folders = []
 128 credits_file = None
 129 icon_file = None
 130 images_folder = None
 131 user_extensions = None
 132
 133 # Episode states used in the database
 134 STATE_NORMAL, STATE_DOWNLOADED, STATE_DELETED = range(3)
 135
 136 # Paths (gPodder's home folder, config, db and download folder)
 137 home = None
 138 config_file = None
 139 database_file = None
 140 downloads = None
 141
 142 # Function to set a new gPodder home folder
 143 def set_home(new_home):
 144     global home, config_file, database_file, downloads
 145     home = os.path.abspath(new_home)
 146
 147     config_file = os.path.join(home, 'Settings.json')
 148     database_file = os.path.join(home, 'Database')
 149     downloads = os.path.join(home, 'Downloads')
 150
 151 # Default locations for configuration and data files
 152 default_home = os.path.expanduser(os.path.join('~', 'gPodder'))
 153 set_home(os.environ.get('GPODDER_HOME', default_home))
 154
 155 if home != default_home:
 156     print >>sys.stderr, 'Storing data in', home, '(GPODDER_HOME is set)'
 157
 158 # Plugins to load by default
 159 DEFAULT_PLUGINS = ['gpodder.plugins.soundcloud', 'gpodder.plugins.xspf',
 160                    'gpodder.plugins.woodchuck', 'gpodder.plugins.notification']
 161
 162 def load_plugins():
 163     """Load (non-essential) plugin modules
 164
 165     This loads a default set of plugins, but you can use
 166     the environment variable "GPODDER_PLUGINS" to modify
 167     the list of plugins."""
 168     PLUGINS = os.environ.get('GPODDER_PLUGINS', None)
 169     if PLUGINS is None:
 170         PLUGINS = DEFAULT_PLUGINS
 171     else:
 172         PLUGINS = PLUGINS.split()
 173     for plugin in PLUGINS:
 174         try:
 175             __import__(plugin)
 176         except Exception, e:
 177             print >>sys.stderr, 'Cannot load plugin: %s (%s)' % (plugin, e)
 178
 179
 180 def detect_platform():
 181     global ui
 182
 183     try:
 184         ui.fremantle = ('Maemo 5' in open('/etc/issue').read())
 185         if ui.fremantle:
 186             print >>sys.stderr, 'Detected platform: Maemo 5 (Fremantle)'
 187     except Exception, e:
 188         ui.fremantle = False
 189
 190     try:
 191         ui.harmattan = ('MeeGo 1.2 Harmattan' in open('/etc/issue').read())
 192     except Exception, e:
 193         ui.harmattan = False
 194
 195     ui.fremantle = ui.fremantle or ui.harmattan
 196     ui.desktop = not ui.fremantle and not ui.harmattan
 197
 198     if ui.fremantle and 'GPODDER_HOME' not in os.environ:
 199         new_home = os.path.expanduser(os.path.join('~', 'MyDocs', 'gPodder'))
 200         set_home(os.path.expanduser(new_home))
 201