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# -*- coding: utf-8 -*- |
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# |
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# This file is part of Glances. |
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# |
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# Copyright (C) 2019 Nicolargo <[email protected]> |
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# |
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# Glances is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU Lesser General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# Glances is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU Lesser General Public License for more details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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"""Battery plugin.""" |
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import psutil |
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from glances.logger import logger |
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from glances.plugins.glances_plugin import GlancesPlugin |
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# Batinfo library (optional; Linux-only) |
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batinfo_tag = True |
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try: |
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import batinfo |
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except ImportError: |
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logger.debug("batinfo library not found. Fallback to psutil.") |
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batinfo_tag = False |
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# Availability: |
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# Linux, Windows, FreeBSD (psutil>=5.1.0) |
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# macOS (psutil>=5.4.2) |
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psutil_tag = True |
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try: |
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psutil.sensors_battery() |
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except Exception as e: |
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logger.error("Cannot grab battery status {}.".format(e)) |
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psutil_tag = False |
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class Plugin(GlancesPlugin): |
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"""Glances battery capacity plugin. |
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stats is a list |
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""" |
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def __init__(self, args=None, config=None): |
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"""Init the plugin.""" |
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super(Plugin, self).__init__(args=args, |
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config=config, |
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stats_init_value=[]) |
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# Init the sensor class |
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self.glancesgrabbat = GlancesGrabBat() |
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# We do not want to display the stat in a dedicated area |
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# The HDD temp is displayed within the sensors plugin |
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self.display_curse = False |
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@GlancesPlugin._check_decorator |
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@GlancesPlugin._log_result_decorator |
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def update(self): |
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"""Update battery capacity stats using the input method.""" |
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# Init new stats |
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stats = self.get_init_value() |
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if self.input_method == 'local': |
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# Update stats |
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self.glancesgrabbat.update() |
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stats = self.glancesgrabbat.get() |
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elif self.input_method == 'snmp': |
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# Update stats using SNMP |
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# Not avalaible |
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pass |
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# Update the stats |
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self.stats = stats |
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return self.stats |
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class GlancesGrabBat(object): |
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"""Get batteries stats using the batinfo library.""" |
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def __init__(self): |
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"""Init batteries stats.""" |
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self.bat_list = [] |
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if batinfo_tag: |
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self.bat = batinfo.batteries() |
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elif psutil_tag: |
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self.bat = psutil |
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else: |
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self.bat = None |
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def update(self): |
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"""Update the stats.""" |
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if batinfo_tag: |
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# Use the batinfo lib to grab the stats |
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# Compatible with multiple batteries |
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self.bat.update() |
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self.bat_list = [{ |
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'label': 'Battery', |
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'value': self.battery_percent, |
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'unit': '%'}] |
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elif psutil_tag and hasattr(self.bat.sensors_battery(), 'percent'): |
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# Use psutil to grab the stats |
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# Give directly the battery percent |
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self.bat_list = [{ |
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'label': 'Battery', |
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'value': int(self.bat.sensors_battery().percent), |
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'unit': '%'}] |
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else: |
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# No stats... |
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self.bat_list = [] |
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def get(self): |
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"""Get the stats.""" |
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return self.bat_list |
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@property |
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def battery_percent(self): |
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"""Get batteries capacity percent.""" |
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if not batinfo_tag or not self.bat.stat: |
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return [] |
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# Init the bsum (sum of percent) |
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# and Loop over batteries (yes a computer could have more than 1 battery) |
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bsum = 0 |
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for b in self.bat.stat: |
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try: |
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bsum += int(b.capacity) |
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except ValueError: |
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return [] |
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# Return the global percent |
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return int(bsum / len(self.bat.stat)) |
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nicolargo /
glances
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