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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Weitian LI <liweitianux@gmail.com>
# 2014/05/15
"""
power 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 re
import subprocess
import time
POSITION = 0
BAT_PRESENT = '/sys/class/power_supply/BAT0/present'
# regex to match the '1' at the beginning
one_p = re.compile(r'(^1).*')
class Py3status:
"""
Power module to show whether AC/battery is online.
ac_status: online, offline
bat_status: present, na
"""
def power(self, i3status_output_json, i3status_config):
"""
Display power status.
"""
response = {
'full_text': '',
'name': 'power',
'instance': 'first',
}
# AC online
ac_cmd = 'on_ac_power'
ac_cmd_out = subprocess.getstatusoutput(ac_cmd)
if ac_cmd_out[0] == 0:
ac_text = '' # Icons: uF237 (ac-online)
self.ac_status = 'online'
response['color'] = i3status_config['color_good']
else:
ac_text = '' # Icons: uF236 (ac-offline)
self.ac_status = 'offline'
response['color'] = i3status_config['color_bad']
# Battery present
with open(BAT_PRESENT, 'r') as bat_present_f:
bat_present_c = bat_present_f.read()
bat_m = one_p.match(bat_present_c)
if bat_m.group(1):
bat_text = ' ' # Icons: uF3CF (battery-vertical)
self.bat_status = 'present'
else:
bat_text = ''
self.bat_status = 'na'
#
response['full_text'] = '{0} {1}'.format(ac_text, bat_text)
# cache status for 5 seconds
response['cached_until'] = time.time() + 5
return (POSITION, response)
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