88 lines
2.3 KiB
Python
88 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(
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"(.+) packages upgraded, (.+) newly installed, (.+) to remove", line_to_parse
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)
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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():
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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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