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Abstract the dbus string constants.

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This commit is contained in:
ncoop 2016-12-28 15:36:37 -08:00
parent 34e87927de
commit 00a434774d
1 changed files with 19 additions and 11 deletions
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30
i3pystatus/now_playing.py
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@ -8,6 +8,14 @@ from i3pystatus import IntervalModule, formatp
from i3pystatus.core.util import TimeWrapper
class Dbus:
obj_dbus = "org.freedesktop.DBus"
path_dbus = "/org/freedesktop/DBus"
obj_player = "org.mpris.MediaPlayer2"
path_player = "/org/mpris/MediaPlayer2"
intf_player = obj_player + ".Player"
class NoPlayerException(Exception):
pass
@ -89,11 +97,11 @@ https://specifications.freedesktop.org/mpris-spec/latest/Player_Interface.html
old_player = None
def find_player(self):
obj = dbus.SessionBus().get_object("org.freedesktop.DBus", "/org/freedesktop/DBus")
obj = dbus.SessionBus().get_object(Dbus.obj_dbus, Dbus.path_dbus)
def get_players(methodname):
method = obj.get_dbus_method(methodname, 'org.freedesktop.DBus')
return [a for a in method() if a.startswith("org.mpris.MediaPlayer2.")]
method = obj.get_dbus_method(methodname, Dbus.obj_dbus)
return [a for a in method() if a.startswith(Dbus.obj_player + ".")]
players = get_players('ListNames')
if not players:
@ -107,23 +115,23 @@ https://specifications.freedesktop.org/mpris-spec/latest/Player_Interface.html
def get_player(self):
if self.player:
player = "org.mpris.MediaPlayer2." + self.player
player = Dbus.obj_player + "." + self.player
try:
return dbus.SessionBus().get_object(player, "/org/mpris/MediaPlayer2")
return dbus.SessionBus().get_object(player, Dbus.path_player)
except dbus.exceptions.DBusException:
raise NoPlayerException()
else:
player = self.find_player()
return dbus.SessionBus().get_object(player, "/org/mpris/MediaPlayer2")
return dbus.SessionBus().get_object(player, Dbus.path_player)
def run(self):
try:
player = self.get_player()
properties = dbus.Interface(player, "org.freedesktop.DBus.Properties")
properties = dbus.Interface(player, Dbus.obj_dbus + ".Properties")
def get_prop(name, default=None):
try:
return properties.Get("org.mpris.MediaPlayer2.Player", name)
return properties.Get(Dbus.intf_player, name)
except dbus.exceptions.DBusException:
return default
@ -179,7 +187,7 @@ https://specifications.freedesktop.org/mpris-spec/latest/Player_Interface.html
def playpause(self):
try:
dbus.Interface(self.get_player(), "org.mpris.MediaPlayer2.Player").PlayPause()
dbus.Interface(self.get_player(), Dbus.intf_player).PlayPause()
except NoPlayerException:
return
except dbus.exceptions.DBusException:
@ -187,7 +195,7 @@ https://specifications.freedesktop.org/mpris-spec/latest/Player_Interface.html
def next_song(self):
try:
dbus.Interface(self.get_player(), "org.mpris.MediaPlayer2.Player").Next()
dbus.Interface(self.get_player(), Dbus.intf_player).Next()
except NoPlayerException:
return
except dbus.exceptions.DBusException:
@ -195,7 +203,7 @@ https://specifications.freedesktop.org/mpris-spec/latest/Player_Interface.html
def player_command(self, command, *args):
try:
interface = dbus.Interface(self.get_player(), "org.mpris.MediaPlayer2.Player")
interface = dbus.Interface(self.get_player(), Dbus.intf_player)
getattr(interface, command)(*args)
except NoPlayerException:
return