From 666daff9a685bc0268a76f25059ee0c743270d79 Mon Sep 17 00:00:00 2001 From: Tobi-wan Kenobi Date: Sun, 11 Dec 2016 08:51:56 +0100 Subject: [PATCH] [modules/pulseaudio] Re-enable pulseaudio module Display volume for default PulseAudio source/sink, change volume and mute/unmute device. see #23 --- bumblebee/modules/pulseaudio.py | 88 ++++++++++++++++++++++++++++++++ tests/modules/test_pulseaudio.py | 56 ++++++++++++++++++++ 2 files changed, 144 insertions(+) create mode 100644 bumblebee/modules/pulseaudio.py create mode 100644 tests/modules/test_pulseaudio.py diff --git a/bumblebee/modules/pulseaudio.py b/bumblebee/modules/pulseaudio.py new file mode 100644 index 0000000..82629b6 --- /dev/null +++ b/bumblebee/modules/pulseaudio.py @@ -0,0 +1,88 @@ +# pylint: disable=C0111,R0903 + +"""Displays volume and mute status of PulseAudio devices. + +Aliases: pasink, pasource +""" + +import re + +import bumblebee.util +import bumblebee.input +import bumblebee.output +import bumblebee.engine + +ALIASES = [ "pasink", "pasource" ] + +class Module(bumblebee.engine.Module): + def __init__(self, engine, config): + super(Module, self).__init__(engine, config, + bumblebee.output.Widget(full_text=self.volume) + ) + + self._left = 0 + self._right = 0 + self._mono = 0 + self._mute = False + channel = "sink" if self.name == "pasink" else "source" + + engine.input.register_callback(self, button=bumblebee.input.RIGHT_MOUSE, cmd="pavucontrol") + engine.input.register_callback(self, button=bumblebee.input.LEFT_MOUSE, + cmd="pactl set-{}-mute @DEFAULT_{}@ toggle".format(channel, channel.upper())) + engine.input.register_callback(self, button=bumblebee.input.WHEEL_UP, + cmd="pactl set-{}-volume @DEFAULT_{}@ +2%".format(channel, channel.upper())) + engine.input.register_callback(self, button=bumblebee.input.WHEEL_DOWN, + cmd="pactl set-{}-volume @DEFAULT_{}@ -2%".format(channel, channel.upper())) + + def _default_device(self): + output = bumblebee.util.execute("pactl info") + pattern = "Default Sink: " if self.name == "pasink" else "Default Source: " + for line in output.split("\n"): + if line.startswith(pattern): + return line.replace(pattern, "") + return "n/a" + + def volume(self): + if int(self._mono) > 0: + return "{}%".format(self._mono) + elif self._left == self._right: + return "{}%".format(self._left) + else: + return "{}%/{}%".format(self._left, self._right) + return "n/a" + + def update(self, widgets): + channel = "sinks" if self.name == "pasink" else "sources" + device = self._default_device() + + result = bumblebee.util.execute("pactl list {}".format(channel)) + found = False + for line in result.split("\n"): + if "Name:" in line and found == True: + break + if device in line: + found = True + + if "Mute:" in line and found == True: + self._mute = False if " no" in line.lower() else True + + if "Volume:" in line and found == True: + m = None + if "mono" in line: + m = re.search(r'mono:.*\s*\/\s*(\d+)%', line) + else: + m = re.search(r'left:.*\s*\/\s*(\d+)%.*right:.*\s*\/\s*(\d+)%', line) + if not m: continue + + if "mono" in line: + self._mono = m.group(1) + else: + self._left = m.group(1) + self._right = m.group(2) + + def state(self, widget): + if self._mute: + return [ "warning", "muted" ] + return [ "unmuted" ] + +# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4 diff --git a/tests/modules/test_pulseaudio.py b/tests/modules/test_pulseaudio.py new file mode 100644 index 0000000..6515589 --- /dev/null +++ b/tests/modules/test_pulseaudio.py @@ -0,0 +1,56 @@ +# pylint: disable=C0103,C0111 + +import json +import unittest +import mock + +import bumblebee.input +from bumblebee.input import I3BarInput +from bumblebee.modules.pulseaudio import Module +from tests.util import MockEngine, MockConfig, assertPopen, assertMouseEvent, assertStateContains + +class TestPulseAudioModule(unittest.TestCase): + def setUp(self): + self.engine = MockEngine() + self.engine.input = I3BarInput() + self.engine.input.need_event = True + self.config = MockConfig() + self.module = Module(engine=self.engine, config={ "config": self.config }) + + @mock.patch("select.select") + @mock.patch("subprocess.Popen") + @mock.patch("sys.stdin") + def test_leftclick(self, mock_input, mock_output, mock_select): + assertMouseEvent(mock_input, mock_output, mock_select, self.engine, + self.module, bumblebee.input.LEFT_MOUSE, + "pactl set-source-mute @DEFAULT_SOURCE@ toggle" + ) + + @mock.patch("select.select") + @mock.patch("subprocess.Popen") + @mock.patch("sys.stdin") + def test_rightclick(self, mock_input, mock_output, mock_select): + assertMouseEvent(mock_input, mock_output, mock_select, self.engine, + self.module, bumblebee.input.RIGHT_MOUSE, + "pavucontrol" + ) + + @mock.patch("select.select") + @mock.patch("subprocess.Popen") + @mock.patch("sys.stdin") + def test_wheelup(self, mock_input, mock_output, mock_select): + assertMouseEvent(mock_input, mock_output, mock_select, self.engine, + self.module, bumblebee.input.WHEEL_UP, + "pactl set-source-volume @DEFAULT_SOURCE@ +2%" + ) + + @mock.patch("select.select") + @mock.patch("subprocess.Popen") + @mock.patch("sys.stdin") + def test_wheeldown(self, mock_input, mock_output, mock_select): + assertMouseEvent(mock_input, mock_output, mock_select, self.engine, + self.module, bumblebee.input.WHEEL_DOWN, + "pactl set-source-volume @DEFAULT_SOURCE@ -2%" + ) + +# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4