/usr/share/pyshared/quodlibet/plugins/events.py is in exfalso 2.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | # -*- coding: utf-8 -*-
# Copyright 2005 Michael Urman, Joe Wreschnig
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation
import gobject
from quodlibet import util
from quodlibet.plugins import Manager, SongWrapper, ListWrapper
class EventPlugin(object):
"""Plugins that run in the background and receive events.
Event plugins, unlike other plugins, are instantiated on startup and
the same instance is used even when the plugin is enabled or disabled.
Callables:
obj.plugin_on_song_started(song)
obj.plugin_on_song_ended(song, stopped)
obj.plugin_on_added([song1, song2, ...])
obj.plugin_on_changed([song1, song2, ...])
obj.plugin_on_removed([song1, song2, ...])
obj.plugin_on_paused()
obj.plugin_on_unpaused()
obj.plugin_on_seek(song, msec)
"""
def enabled(self):
"""Called when the plugin is enabled."""
pass
def disabled(self):
"""Called when the plugin is disabled."""
pass
def destroy(self):
"""Called when the plugin should release any private resources,
usually because it's being upgraded or on program exit"""
pass
class EventPlugins(Manager):
library_events = []
player_events = []
def __init__(self, librarian=None, player=None, folders=[], name=None):
super(EventPlugins, self).__init__(folders, name)
if librarian:
self.library_events = [
(s.replace('-', '_'), 'plugin_on_' + s.replace('-', '_'))
for s in gobject.signal_list_names(librarian)]
if player:
self.player_events = [
(s.replace('-', '_'), 'plugin_on_' + s.replace('-', '_'))
for s in gobject.signal_list_names(player)]
self.player_events.remove(('error', 'plugin_on_error'))
self.all_events = self.library_events + self.player_events
self.librarian = librarian
if librarian:
for event, handle in self.library_events:
def handler(librarian, *args):
self.__invoke(librarian, args[-1], *args[:-1])
librarian.connect(event, handler, event)
if player:
for event, handle in self.player_events:
def handler(player, *args):
self.__invoke(player, args[-1], *args[:-1])
player.connect_object(event, handler, librarian, event)
def _load(self, name, module):
try: objs = [getattr(module, attr) for attr in module.__all__]
except AttributeError:
objs = [getattr(module, attr) for attr in vars(module)
if not attr.startswith("_")]
def is_plugin(obj):
if not isinstance(obj, type): return False
elif not issubclass(obj, EventPlugin): return False
elif obj is EventPlugin: return False
else: return True
kinds = filter(is_plugin, objs)
for Kind in kinds:
try: Kind.PLUGIN_ID
except AttributeError:
try: Kind.PLUGIN_ID = Kind.PLUGIN_NAME
except AttributeError:
Kind.PLUGIN_ID = Kind.__name__
try: Kind.PLUGIN_NAME
except AttributeError:
Kind.PLUGIN_NAME = Kind.PLUGIN_ID
try: obj = Kind()
except:
util.print_exc()
else:
if obj.PLUGIN_ID in self._plugins:
old_obj = self._plugins[obj.PLUGIN_ID]
self.enable(old_obj, False)
old_obj.destroy()
self._plugins[obj.PLUGIN_ID] = obj
def list(self):
return self._plugins.values()
def enable(self, plugin, enabled):
if self.enabled(plugin) != enabled:
super(EventPlugins, self).enable(plugin, enabled)
try:
if enabled: plugin.enabled()
else: plugin.disabled()
except:
util.print_exc()
def destroy(self, *args):
for obj in self._plugins.itervalues():
self.enable(obj, False)
obj.destroy()
def __invoke(self, librarian, event, *args):
try:
args = list(args)
if args and args[0]:
if isinstance(args[0], dict):
args[0] = SongWrapper(args[0])
elif isinstance(args[0], list):
args[0] = ListWrapper(args[0])
for plugin in self._plugins.itervalues():
if not self.enabled(plugin):
continue
handler = getattr(plugin, 'plugin_on_' + event, None)
if handler is not None:
try: handler(*args)
except Exception:
util.print_exc()
finally:
if event not in ["removed", "changed"] and args:
from quodlibet.widgets import main
songs = args[0]
if not isinstance(songs, list):
songs = [songs]
songs = filter(None, songs)
self._check_change(librarian, main, songs)
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