80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
# pylint: disable=C0111,R0903
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"""Displays APT package update information (<to upgrade>/<to remove >)
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Requires the following packages:
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* aptitude
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"""
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import re
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import threading
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import core.module
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import core.widget
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import core.decorators
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import util.cli
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PATTERN = '{} packages upgraded, {} newly installed, {} to remove and {} not upgraded.'
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def parse_result(to_parse):
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# We want to line with the iforamtion about package upgrade
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line_to_parse = to_parse.split('\n')[-4]
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result = re.search('(.+) packages upgraded, (.+) newly installed, (.+) to remove', line_to_parse)
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return int(result.group(1)), int(result.group(3))
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def get_apt_check_info(module):
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widget = module.widget()
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try:
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res = util.cli.execute('aptitude full-upgrade --simulate --assume-yes')
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widget.set('error', None)
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except (RuntimeError, FileNotFoundError) as e:
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widget.set('error', 'unable to query APT: {}'.format(e))
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return
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to_upgrade = 0
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to_remove = 0
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try:
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to_upgrade, to_remove = parse_result(res)
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widget.set('to_upgrade', to_upgrade)
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widget.set('to_remove', to_remove)
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except Exception as e:
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widget.set('error', 'parse error: {}'.format(e))
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core.event.trigger('update', [ module.id ], redraw_only=True)
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class Module(core.module.Module):
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@core.decorators.every(minutes=30)
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def __init__(self, config, theme):
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super().__init__(config, theme, core.widget.Widget(self.updates))
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self.__thread = None
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def updates(self, widget):
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if widget.get('error'):
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return widget.get('error')
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return '{} to upgrade, {} to remove'.format(
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widget.get('to_upgrade', 0), widget.get('to_remove', 0)
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)
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def update(self):
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if self.__thread and self.__thread.isAlive(): return
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self.__thread = threading.Thread(target=get_apt_check_info, args=(self,))
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self.__thread.start()
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def state(self, widget):
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cnt = 0
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ret = 'good'
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for t in ['to_upgrade', 'to_remove']:
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cnt += widget.get(t, 0)
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if cnt > 50:
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ret = 'critical'
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elif cnt > 0:
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ret = 'warning'
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if widget.get('error'):
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ret = 'critical'
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return ret
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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