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# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""Stdout interface class."""
import time
from glances.logger import logger
from glances.compat import printandflush
class GlancesStdout(object):
"""This class manages the Stdout display."""
def __init__(self, config=None, args=None):
# Init
self.config = config
self.args = args
# Build the list of plugin and/or plugin.attribute to display
self.plugins_list = self.build_list()
def build_list(self):
"""Return a list of tuples taken from self.args.stdout
:return: A list of tuples. Example -[(plugin, attribute), ... ]
"""
ret = []
for p in self.args.stdout.split(','):
if '.' in p:
p, a = p.split('.')
else:
a = None
ret.append((p, a))
return ret
def end(self):
pass
def update(self, stats, duration=3):
"""Display stats to stdout.
Refresh every duration second.
"""
for plugin, attribute in self.plugins_list:
# Check if the plugin exist and is enable
if plugin in stats.getPluginsList() and stats.get_plugin(plugin).is_enabled():
stat = stats.get_plugin(plugin).get_export()
else:
continue
# Display stats
if attribute is not None:
# With attribute
try:
printandflush("{}.{}: {}".format(plugin, attribute, stat[attribute]))
except KeyError as err:
logger.error("Can not display stat {}.{} ({})".format(plugin, attribute, err))
else:
# Without attribute
printandflush("{}: {}".format(plugin, stat))
# Wait until next refresh
if duration > 0:
time.sleep(duration)