/usr/lib/python3/dist-packages/glances/plugins/glances_batpercent.py is in glances 2.7.1.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2015 Nicolargo <nicolas@nicolargo.com>
#
# Glances is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Glances 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Battery plugin."""
from glances.logger import logger
from glances.plugins.glances_plugin import GlancesPlugin
# Batinfo library (optional; Linux-only)
try:
import batinfo
except ImportError:
logger.debug("Batinfo library not found. Glances cannot grab battery info.")
class Plugin(GlancesPlugin):
"""Glances battery capacity plugin.
stats is a list
"""
def __init__(self, args=None):
"""Init the plugin."""
super(Plugin, self).__init__(args=args)
# Init the sensor class
self.glancesgrabbat = GlancesGrabBat()
# We do not want to display the stat in a dedicated area
# The HDD temp is displayed within the sensors plugin
self.display_curse = False
# Init stats
self.reset()
def reset(self):
"""Reset/init the stats."""
self.stats = []
@GlancesPlugin._log_result_decorator
def update(self):
"""Update battery capacity stats using the input method."""
# Reset stats
self.reset()
if self.input_method == 'local':
# Update stats
self.glancesgrabbat.update()
self.stats = self.glancesgrabbat.get()
elif self.input_method == 'snmp':
# Update stats using SNMP
# Not avalaible
pass
return self.stats
class GlancesGrabBat(object):
"""Get batteries stats using the batinfo library."""
def __init__(self):
"""Init batteries stats."""
try:
self.bat = batinfo.batteries()
self.initok = True
self.bat_list = []
self.update()
except Exception as e:
self.initok = False
logger.debug("Cannot init GlancesGrabBat class (%s)" % e)
def update(self):
"""Update the stats."""
if self.initok:
self.bat.update()
self.bat_list = [{
'label': 'Battery',
'value': self.battery_percent,
'unit': '%'}]
else:
self.bat_list = []
def get(self):
"""Get the stats."""
return self.bat_list
@property
def battery_percent(self):
"""Get batteries capacity percent."""
if not self.initok or not self.bat.stat:
return []
# Init the bsum (sum of percent)
# and Loop over batteries (yes a computer could have more than 1 battery)
bsum = 0
for b in self.bat.stat:
try:
bsum += int(b.capacity)
except ValueError:
return []
# Return the global percent
return int(bsum / len(self.bat.stat))
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