Source code for linkcheck.director.interrupter

# Copyright (C) 2006-2014 Bastian Kleineidam
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""Status message handling"""
import time
from . import task
from .. import log, LOG_CHECK, strformat


[docs]class Interrupt(task.CheckedTask): """Thread that raises KeyboardInterrupt after a specified duration. This gives us a portable SIGALRM implementation. The duration is checked every 5 seconds. """ WaitSeconds = 5 def __init__(self, duration): """Initialize the task. @param duration: raise KeyboardInterrupt after given number of seconds @type duration: int """ super().__init__() self.duration = duration
[docs] def run_checked(self): """Wait and raise KeyboardInterrupt after.""" self.start_time = time.time() self.name = "Interrupt" while not self.stopped(self.WaitSeconds): duration = time.time() - self.start_time if duration > self.duration: log.warn( LOG_CHECK, "Interrupt after %s" % strformat.strduration_long(duration), ) raise KeyboardInterrupt()