def __init__(self, name = '', path = ''):
"""
Creates a new Settings instance which binds properties to
gconf using GCONF_ROOT/path/prop_name.
"""
self._name = name
self._path = path
if not name:
self._name = self.settings_name
if not path:
self._path = self.settings_path
config = Runtime.get_config()
root = config.SETTINGS_ROOT + self._path
# our gconf client
self._client = gconf.client_get_default()
rootdir = root.endswith('/') and root[:-1] or root
self._client.add_dir(rootdir, gconf.CLIENT_PRELOAD_NONE)
# lambda to retreive our attributes which are settings
issetting = lambda a: isinstance(getattr(self, a), Setting)
attrs = (a for a in dir(self) if issetting(a))
for attr in list(attrs):
attr = getattr(self, attr)
attr.set_client(self._client, root)
def change_channel(self, num):
VideoService = Runtime.get_service('video')
# get a live channel stream
source = VideoService.get_video_for_channel(num)
# update our video widget to play the source
self.view.video.set_source(source)
# update our current channel label
self.view.channel_label.set_text('<b>%d</b>' % num)
def get_default_filename(self, suffix = ''):
"""
Returns what the default template name would be for a particular
class instance.
"""
module = self.__class__.__module__.lower()
if module == '__main__':
module = ''
else:
# trim off the app module
module = '.'.join(module.split('.')[1:])
klass = self.__class__.__name__.lower()
config = Runtime.get_config()
if hasattr(config, 'VIEW_PATH'):
viewpath = config.VIEW_PATH
else:
viewpath = 'data'
return os.path.join(viewpath,
module.replace('.', os.path.sep),
klass) + suffix
