# Copyright 2020 by Kurt Rathjen. All Rights Reserved.
#
# This library is free software: you can redistribute it and/or modify it 
# under the terms of the GNU Lesser General Public License as published by 
# the Free Software Foundation, either version 3 of the License, or 
# (at your option) any later version. This library 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 Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.

import traceback

try:
    import maya.cmds
except ImportError:
    traceback.print_exc()


class ScriptJob(object):
    """
    self._scriptJob = mutils.ScriptJob(e=['SelectionChanged', self.selectionChanged])
    """
    def __init__(self, *args, **kwargs):
        self.id = maya.cmds.scriptJob(*args, **kwargs)

    def kill(self):
        if self.id:
            maya.cmds.scriptJob(kill=self.id, force=True)
            self.id = None

    def __enter__(self):
        return self

    def __exit__(self, t, v, tb):
        if t is not None:
            self.kill()