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# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2014 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/>.
"""Manage the Glances standalone session."""
# Import Glances libs
from glances.core.glances_globals import logger
from glances.core.glances_stats import GlancesStats
from glances.outputs.glances_curses import GlancesCurses
from glances.core.glances_globals import glances_processes
class GlancesStandalone(object):
"""This class creates and manages the Glances standalone session."""
def __init__(self, config=None, args=None):
# Init stats
self.stats = GlancesStats(config=config, args=args)
# Default number of processes to displayed is set to 50
glances_processes.set_max_processes(50)
# If process extended stats is disabled by user
if args.disable_process_extended:
logger.info(_("Extended stats for top process is disabled"))
glances_processes.disable_extended()
else:
logger.debug(_("Extended stats for top process is enabled (default behavor)"))
glances_processes.enable_extended()
# Manage optionnal process filter
if args.process_filter is not None:
glances_processes.set_process_filter(args.process_filter)
# Initial system informations update
self.stats.update()
# Init CSV output
if args.output_csv is not None:
from glances.outputs.glances_csv import GlancesCSV
self.csvoutput = GlancesCSV(args=args)
self.csv_tag = True
else:
self.csv_tag = False
# Init screen
self.screen = GlancesCurses(args=args)
def serve_forever(self):
"""Main loop for the CLI."""
while True:
# Update system informations
self.stats.update()
# Update the screen
self.screen.update(self.stats)
# Update the CSV output
if self.csv_tag:
self.csvoutput.update(self.stats)
def end(self):
"""End of the CLI."""
self.screen.end()
# Close the CSV file
if self.csv_tag:
self.csvoutput.exit()
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