Source code for plainbox.impl.commands.crash

# This file is part of Checkbox.
#
# Copyright 2012-2014 Canonical Ltd.
# Written by:
#   Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
#
# Checkbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# Checkbox 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 Checkbox.  If not, see <http://www.gnu.org/licenses/>.
"""
:mod:`plainbox.impl.commands.crash` -- crash sub-command
========================================================

.. warning::

    THIS MODULE DOES NOT HAVE STABLE PUBLIC API
"""

import logging

from plainbox.i18n import gettext as _
from plainbox.impl.commands import PlainBoxCommand


logger = logging.getLogger("plainbox.commands.crash")


[docs]class CrashInvocation: def __init__(self, ns): self.ns = ns
[docs] def run(self): if self.ns.action == 'crash': raise Exception(_("crashing as requested")) elif self.ns.action == 'hang': while True: pass
[docs]class CrashCommand(PlainBoxCommand): """ Implementation of ``$ plainbox dev crash`` """
[docs] def invoked(self, ns): return CrashInvocation(ns).run()
[docs] def register_parser(self, subparsers): parser = subparsers.add_parser( "crash", help=_("crash the application"), prog="plainbox dev crash") group = parser.add_mutually_exclusive_group(required=True) group.add_argument( '-c', '--crash', dest='action', action='store_const', const='crash', help=_('raise an exception')) group.add_argument( '-H', '--hang', dest='action', action='store_const', const='hang', help=_('hang the application with a busy loop')) parser.set_defaults(command=self)
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