# -*- coding: utf-8 -*-
# Copyright (C) 2015, Juan Riquelme González
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import subprocess
from functools import partial
from libqtile import pangocffi
from libqtile.widget import base
[docs]class Cmus(base.ThreadPoolText):
"""A simple Cmus widget.
Show the artist and album of now listening song and allow basic mouse
control from the bar:
- toggle pause (or play if stopped) on left click;
- skip forward in playlist on scroll up;
- skip backward in playlist on scroll down.
Cmus (https://cmus.github.io) should be installed.
"""
defaults = [
("play_color", "00ff00", "Text colour when playing."),
("noplay_color", "cecece", "Text colour when not playing."),
("update_interval", 0.5, "Update Time in seconds."),
]
def __init__(self, **config):
base.ThreadPoolText.__init__(self, "", **config)
self.add_defaults(Cmus.defaults)
self.status = ""
self.local = None
self.add_callbacks(
{
"Button1": self.play,
"Button4": partial(subprocess.Popen, ["cmus-remote", "-n"]),
"Button5": partial(subprocess.Popen, ["cmus-remote", "-r"]),
}
)
def get_info(self):
"""Return a dictionary with info about the current cmus status."""
try:
output = self.call_process(["cmus-remote", "-C", "status"])
except subprocess.CalledProcessError as err:
output = err.output
if output.startswith("status"):
output = output.splitlines()
info = {
"status": "",
"file": "",
"artist": "",
"album": "",
"title": "",
"stream": "",
}
for line in output:
for data in info:
if data in line:
index = line.index(data)
if index < 5:
info[data] = line[len(data) + index :].strip()
break
elif line.startswith("set"):
return info
return info
def now_playing(self):
"""Return a string with the now playing info (Artist - Song Title)."""
info = self.get_info()
now_playing = ""
if info:
status = info["status"]
if self.status != status:
self.status = status
if self.status == "playing":
self.layout.colour = self.play_color
else:
self.layout.colour = self.noplay_color
self.local = info["file"].startswith("/")
title = info["title"]
if self.local:
artist = info["artist"]
now_playing = "{0} - {1}".format(artist, title)
else:
if info["stream"]:
now_playing = info["stream"]
else:
now_playing = title
if now_playing:
now_playing = "♫ {0}".format(now_playing)
return pangocffi.markup_escape_text(now_playing)
def play(self):
"""Play music if stopped, else toggle pause."""
if self.status in ("playing", "paused"):
subprocess.Popen(["cmus-remote", "-u"])
elif self.status == "stopped":
subprocess.Popen(["cmus-remote", "-p"])
def poll(self):
"""Poll content for the text box."""
return self.now_playing()