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# -*- coding: utf-8 -*-
# renderer-console
#
# Copyright (C) 2012 Intel Corporation. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU Lesser General Public License,
# version 2.1, as published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
# for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
#
# Sébastien Bianti <sebastien.bianti@linux.intel.com>
#
import dbus
import json
import xml.etree.ElementTree as ET
ROOT_OBJECT_PATH = '/com/intel/dLeynaRenderer'
RENDERER_BUS = 'com.intel.dleyna-renderer'
PROPS_IF_NAME = 'org.freedesktop.DBus.Properties'
INTROSPECTABLE_IF_NAME = 'org.freedesktop.DBus.Introspectable'
DEVICE_IF_NAME = 'com.intel.dLeynaRenderer.RendererDevice'
PUSH_HOST_IF_NAME = 'com.intel.dLeynaRenderer.PushHost'
MANAGER_INTERFACE = 'com.intel.dLeynaRenderer.Manager'
MEDIAPLAYER2_IF_NAME = 'org.mpris.MediaPlayer2'
PLAYER_IF_NAME = 'org.mpris.MediaPlayer2.Player'
global bus_type
bus_type = dbus.SessionBus()
def print_json(props):
print json.dumps(props, indent=4, sort_keys=True)
def get_interface(path, if_name):
return dbus.Interface(bus_type.get_object(RENDERER_BUS, path), if_name)
class Renderer(object):
"Represent a renderer service"
def __init__(self, object_path):
self.__path = object_path
self.__propsIF = get_interface(object_path, PROPS_IF_NAME)
self.__playerIF = get_interface(object_path, PLAYER_IF_NAME)
self.__pushhostIF = get_interface(object_path, PUSH_HOST_IF_NAME)
def get_interfaces(self):
try:
introspectable_IF = get_interface(self.__path,
INTROSPECTABLE_IF_NAME)
except:
print(u"Failed to retrieve introspectable interface")
introspection = introspectable_IF.Introspect()
tree = ET.fromstring(introspection)
return [i.attrib['name'] for i in tree if i.tag == "interface"]
def interfaces(self):
for i in self.get_interfaces():
print i
def get_prop(self, prop_name, inner_if_name = ""):
return self.__propsIF.Get(inner_if_name, prop_name)
def get_props(self, inner_if_name = ""):
return self.__propsIF.GetAll(inner_if_name)
def print_props(self, inner_if_name = ""):
print_json(self.get_props(inner_if_name))
def set_prop(self, prop_name, if_name, val):
"""
Sets only the following properties :
Rate and Volume
"""
return self.__propsIF.Set(if_name, prop_name, val)
# Control methods
def play(self):
self.__playerIF.Play()
def pause(self):
self.__playerIF.Pause()
def play_pause(self):
self.__playerIF.PlayPause()
def next(self):
self.__playerIF.Next()
def open_uri(self, uri):
self.__playerIF.OpenUri(uri)
def open_uri_ex(self, uri, metadata):
self.__playerIF.OpenUriEx(uri, metadata)
def previous(self):
self.__playerIF.Previous()
def seek(self, offset):
self.__playerIF.Seek(offset)
def goto_track(self, trackID):
self.__playerIF.GotoTrack(trackID)
def set_position(self, trackID, position):
self.__playerIF.setPosition(trackID, position)
def stop(self):
self.__playerIF.Stop()
# Push Host methods
def host_file(self, path):
return self.__pushhostIF.HostFile(path)
def remove_file(self, path):
self.__pushhostIF.RemoveFile(path)
class Manager(object):
"""
High level class for detecting Renderers and doing common operations
on dLeynaRenderer
"""
def __init__(self):
self.__manager = get_interface(ROOT_OBJECT_PATH, MANAGER_INTERFACE)
self.__renderers = []
def update_renderers(self):
self.__renderers = self.__manager.GetRenderers()
def get_renderers(self):
self.update_renderers()
return self.__renderers
def renderer_from_name(self, friendly_name):
retval = None
for i in self.__manager.GetRenderers():
renderer = Renderer(i)
renderer_name = renderer.get_prop("FriendlyName").lower()
if renderer_name.find(friendly_name.lower()) != -1:
retval = renderer
break
return retval
def renderer_from_udn(self, udn):
retval = None
for i in self.__manager.GetRenderers():
renderer = Renderer(i)
if renderer.get_prop("UDN") == udn:
retval = renderer
break
return retval
def renderers(self):
self.update_renderers()
for path in self.__renderers:
try:
renderer = Renderer(path)
renderer_name = renderer.get_prop("Identity")
print(u"%s : %s" % (path, renderer_name))
except:
print(u"Failed to retrieve Identity for interface %s" % path)
def get_version(self):
return self.__manager.GetVersion()
def version(self):
print self.get_version()
def release(self):
self.__manager.Release()
def rescan(self):
self.__manager.Rescan()
if __name__ == "__main__":
print("\n\t\t\tExample for using rendererconsole:")
print("\t\t\t¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯\n")
manager = Manager()
print("Version = %s" % manager.get_version())
print("¯¯¯¯¯¯¯")
print "\nRenderer's list:"
print("¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯")
manager.renderers()
renderer_list = manager.get_renderers()
for name in renderer_list:
renderer = Renderer(name)
interface_list = renderer.get_interfaces()
print("\nInterfaces of %s:" % name)
print("¯¯¯¯¯¯¯¯¯¯¯¯¯¯" + "¯" * len(name))
for i in interface_list:
print i
if_name = DEVICE_IF_NAME
if (if_name in interface_list) :
print("\nProperties of %s on %s:" % (if_name, name))
print("¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯" + (len(name) + len(if_name)) * "¯")
renderer.print_props(if_name)
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