本文整理汇总了Python中playlist.Playlist.empty方法的典型用法代码示例。如果您正苦于以下问题：Python Playlist.empty方法的具体用法？Python Playlist.empty怎么用？Python Playlist.empty使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类playlist.Playlist的用法示例。
在下文中一共展示了Playlist.empty方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Player
# 需要导入模块: from playlist import Playlist [as 别名]
# 或者: from playlist.Playlist import empty [as 别名]
class Player(object):
#attr_accessor :current_track, :history, :playlist, :current_track, :backend
attr_accessor(current_track = None)
def __init__(self):
from player_backends.gstreamer import Gstreamer
self.playlist = Playlist()
self.backend = PlayerBackend(self, Gstreamer)
def state(self):
return self.backend.get_state()
@callback_method
def schedule_next_track(self):
self.remove_current_track()
if self.playlist.empty():
#print 'nope, no new track'
self.stop()
return False
return self.next_track_as_current()
@callback_method
def next_track_as_current(self):
self.current_track = self.playlist.get()
#print 'New track: ' + self.current_track.name
def remove_current_track(self):
self.current_track = None
@callback_method
def play(self):
#if still playing, return nothing
if (self.state() == 'playing'): return False
if (self.state() == 'paused'): return self.resume()
if (self.playlist.empty() and not self.current_track): return None
if not self.current_track:
self.next_track_as_current()
print 'play'
result = self.backend.play(self.current_track) #Current track is set
return result
def pause(self):
if self.playing():
return self.backend.pause()
elif self.paused():
return self.resume()
def resume(self):
return self.backend.resume()
@callback_method
def stop(self):
self.backend.stop()
result = self.remove_current_track()
return result
def next(self):
self.schedule_next_track()
return self.backend.play(self.current_track) #Current track is set
def playing(self):
return self.state() == 'playing'
def paused(self):
return self.state() == 'paused'
def stopped(self):
return self.state() == 'stopped'
def register_callback(self, name, callback, permanent=False, priority=0):
return callbacks.RegisterCallback(Player, name, callback, permanent, priority)