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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Weitian LI <liweitianux@gmail.com>
# 2014/05/15
"""
microphone module for py3status
"""
## Get output of shell command:
## python 3.x:
## >>> subprocess.getoutput(cmd)
## >>> subprocess.getstatusoutput(cmd)
## python 2.7.x:
## >>> subprocess.Popen(cmd, shell=True, stderr=subprocess.PIPE)
import os
import re
import subprocess
POSITION = 0
DEVICE = 'default'
MIXER = 'Capture' # Microphone
# regex compile to match amixer output volume info
amixer_rep = re.compile(r'.*\[(\d+)%\]\s*\[(on|off)\]')
class Py3status:
"""
Microphone module to show microphone info.
This module also handle click events:
left button: decrease volume
middle button: mute/unmute toggle
right button: increase volume
"""
def microphone(self, i3status_output_json, i3status_config):
"""
Display microphone info.
"""
response = {
'full_text': '',
'name': 'microphone',
'instance': 'first',
}
# update response fields
self._update_response(i3status_config)
response['full_text'] = self.full_text
if self.color:
response['color'] = self.color
return (POSITION, response)
def on_click(self, i3status_output_json, i3status_config, event):
"""
Handle click events.
"""
if event['button'] == 1:
# left button click
cmd = 'amixer -D "{0}" sset "{1}" "5%-" unmute'.format(DEVICE, MIXER)
cmd_output = subprocess.getoutput(cmd)
elif event['button'] == 2:
# middle button click
cmd = 'amixer -D "{0}" sset "{1}" toggle'.format(DEVICE, MIXER)
cmd_output = subprocess.getoutput(cmd)
elif event['button'] == 3:
# right button click
cmd = 'amixer -D "{0}" sset "{1}" "5%+" unmute'.format(DEVICE, MIXER)
cmd_output = subprocess.getoutput(cmd)
#
self._update_response(i3status_config)
os.system('killall -USR1 py3status')
def _update_response(self, i3status_config=None):
"""
update self.full_text
"""
# get volume info
cmd = 'amixer -D "{0}" sget "{1}" | tail -n 1'.format(DEVICE, MIXER)
cmd_output = subprocess.getoutput(cmd)
m = amixer_rep.match(cmd_output)
self.volume, self.status = m.group(1, 2)
prompt = '' # Icons: uF130 (mic-on)
if int(self.volume) > 60:
self.level = 'high'
if i3status_config:
self.color = i3status_config['color_degraded']
elif int(self.volume) > 30:
self.level = 'medium'
if i3status_config:
self.color = i3status_config['color_good']
else:
self.level = 'low'
if i3status_config:
self.color = i3status_config['color_good']
# determine icon
if self.status == 'off':
prompt = '' # Icons: uF131 (mic-off)
if i3status_config:
self.color = i3status_config['color_bad']
# determine display info
self.full_text = '{0} {1}%'.format(prompt, self.volume)
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