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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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# SPDX-FileCopyrightText: 2024 Nicolas Hennion <[email protected]> |
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# |
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# SPDX-License-Identifier: LGPL-3.0-only |
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# |
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"""Stdout interface class.""" |
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import time |
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from glances.logger import logger |
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from glances.globals import printandflush |
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class GlancesStdout(object): |
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"""This class manages the Stdout display.""" |
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def __init__(self, config=None, args=None): |
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# Init |
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self.config = config |
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self.args = args |
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# Build the list of plugin and/or plugin.attribute to display |
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self.plugins_list = self.build_list() |
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def build_list(self): |
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"""Return a list of tuples taken from self.args.stdout |
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:return: A list of tuples. Example [(plugin, key, attribute), ... ] |
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""" |
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ret = [] |
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for p in self.args.stdout.split(','): |
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pka = p.split('.') |
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if len(pka) == 1: |
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# Only plugin name is provided |
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new = (pka[0], None, None) |
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elif len(pka) == 2: |
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# Plugin name and attribute is provided |
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new = (pka[0], None, pka[1]) |
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elif len(pka) == 3: |
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# Plugin name, key and attribute are provided |
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new = (pka[0], pka[1], pka[2]) |
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ret.append(new) |
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return ret |
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def end(self): |
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pass |
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def update(self, stats, duration=3): |
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"""Display stats to stdout. |
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Refresh every duration second. |
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""" |
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for plugin, key, attribute in self.plugins_list: |
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# Check if the plugin exist and is enable |
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if plugin in stats.getPluginsList() and stats.get_plugin(plugin).is_enabled(): |
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stat = stats.get_plugin(plugin).get_export() |
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else: |
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continue |
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# Display stats |
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if attribute is not None: |
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# With attribute |
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if isinstance(stat, dict): |
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try: |
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printandflush("{}.{}: {}".format(plugin, attribute, stat[attribute])) |
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except KeyError as err: |
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logger.error("Can not display stat {}.{} ({})".format(plugin, attribute, err)) |
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elif isinstance(stat, list): |
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for i in stat: |
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if key is None: |
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i_key = i[i['key']] |
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elif str(key) == str(i[i['key']]): |
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i_key = key |
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else: |
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continue |
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try: |
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printandflush("{}.{}.{}: {}".format(plugin, i_key, attribute, i[attribute])) |
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except KeyError as err: |
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logger.error("Can not display stat {}.{} ({})".format(plugin, attribute, err)) |
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else: |
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# Without attribute |
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printandflush("{}: {}".format(plugin, stat)) |
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# Wait until next refresh |
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if duration > 0: |
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time.sleep(duration) |
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nicolargo /
glances
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