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#!/usr/bin/python
import sys
import asyncio
import re
import threading
from blessed import Terminal
import dbussy as dbus
import ravel
loop = asyncio.get_event_loop()
name_regex = re.compile("^org\.mpris\.MediaPlayer2\.")
bus = None
term = Terminal()
refresh_cond = threading.Condition()
refresh_flag = True
exit_flag = False
exit_task = asyncio.Future()
players = []
player_id_to_index = {}
active_player = ""
current_output = ""
def track_string(metadata):
artist = metadata["xesam:artist"][1][0] if "xesam:artist" in metadata else ""
title = metadata["xesam:title"][1] if "xesam:title" in metadata else ""
album = metadata["xesam:album"][1] if "xesam:album" in metadata else ""
track = ""
if artist != "": track = artist + " "
track = track + "\"" + title + "\""
if album != "": track = track + " from \"" + album + "\""
return track + " "
def write_track(track):
global current_output
current_output = track
f = open("/mnt/Data/stream_info.txt", "w")
f.write(track)
f.close()
@ravel.signal(name = "PropertiesChanged", in_signature = "sa{sv}as", args_keyword = "args")
def playing_song_changed(args):
global refresh_cond
global refresh_flag
[ player, changed_properties, invalidated_properties ] = args
if "Metadata" in changed_properties:
write_track(track_string(changed_properties["Metadata"][1]))
with refresh_cond:
refresh_flag = True
refresh_cond.notify()
@ravel.signal(name = "NameOwnerChanged", in_signature = "sss", args_keyword = "args")
def dbus_name_owner_changed(args):
global refresh_cond
global refresh_flag
[ name, old_owner, new_owner ] = args
if name_regex.match(name):
get_players()
with refresh_cond:
refresh_flag = True
refresh_cond.notify()
def set_active_player(player_id):
global bus
global active_player
if player_id in player_id_to_index:
active_player = player_id
elif len(player_id_to_index) != 0:
active_player = next(iter(player_id_to_index))
else:
active_player = ""
for (name, player_id) in players:
bus.unlisten_propchanged(
path = "/org/mpris/MediaPlayer2",
interface = name,
func = playing_song_changed,
fallback = True
)
if active_player != "":
bus.listen_propchanged(
path = "/org/mpris/MediaPlayer2",
interface = active_player,
func = playing_song_changed,
fallback = True
)
player_path = bus[active_player]["/org/mpris/MediaPlayer2"]
player_props = player_path.get_interface("org.freedesktop.DBus.Properties")
write_track(track_string(player_props.Get("org.mpris.MediaPlayer2.Player", "Metadata")[0][1]))
else:
write_track("")
def get_players():
global players
global player_id_to_index
players = []
player_id_to_index = {}
bus_proxy = bus["org.freedesktop.DBus"]["/org/freedesktop/DBus"].get_interface("org.freedesktop.DBus")
names = bus_proxy.ListNames()
for name in names[0]:
if name_regex.match(name):
split_name = name.split(".")
id_start_index = len(split_name[0]) + len(split_name[1]) + len(split_name[2]) + 3
player_path = bus[name]["/org/mpris/MediaPlayer2"]
player_proxy = player_path.get_interface("org.mpris.MediaPlayer2")
player_id = name[id_start_index:]
try:
player_id = player_proxy.Identity
except AttributeError:
pass
players.append((name, player_id))
player_id_to_index[name] = len(players) - 1
set_active_player(active_player)
def draw_menu():
global term
global players
global refresh_cond
global refresh_flag
global exit_flag
global current_output
while not exit_flag:
with refresh_cond:
while not refresh_flag and not exit_flag:
refresh_cond.wait()
refresh_flag = False
with term.fullscreen():
print(term.move(0, 0) + term.bold("MPRIS to Text") + "\n")
for i in range(len(players)):
player = players[i]
output = "%d: %s" % (i, player[1])
if players[player_id_to_index[active_player]][0] == player[0]:
print(term.move_x(8) + term.standout_bold(output))
else:
print(term.move_x(8) + output)
print(term.move_x(0) + "\n" + term.bold("Current output:") + " " + current_output)
print(term.move_x(0) + "\n\nEnter number to select player or q to exit." + term.move_up())
with term.fullscreen():
print(term.move(0, 0) + "Exiting...")
def init_dbus():
global bus
global loop
bus = ravel.session_bus()
bus.attach_asyncio(loop)
bus.listen_signal(
path = "/org/freedesktop/DBus",
interface = "org.freedesktop.DBus",
name = "NameOwnerChanged",
func = dbus_name_owner_changed,
fallback = True
)
get_players()
def init_blessed():
global bus
global term
global refresh_cond
global refresh_flag
global exit_flag
with term.cbreak():
val = None
while val not in (u'q', u'Q',):
val = term.inkey(timeout=5)
if not val or val.is_sequence or not val.isnumeric():
continue
if int(val) < len(players):
set_active_player(players[int(val)][0])
with refresh_cond:
refresh_flag = True
refresh_cond.notify()
with refresh_cond:
exit_flag = True
refresh_cond.notify()
exit_task.set_result(True)
init_dbus()
blessed_thread = threading.Thread(target=init_blessed)
blessed_thread.start()
menu_thread = threading.Thread(target=draw_menu)
menu_thread.start()
loop.run_until_complete(exit_task)
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