# -*- coding: utf-8 -*-
#   Copyright (C) 2009, 2012-2013, 2015 Rocky Bernstein
#
#   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 3 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, see <http://www.gnu.org/licenses/>.

# Our local modules
from trepan.processor.command import base_subcmd as Mbase_subcmd
from trepan.processor import cmdfns as Mcmdfns, cmdproc as Mcmdproc


class SetAutoPython(Mbase_subcmd.DebuggerSetBoolSubcommand):
    """**set** **autopython** [ **on** | **off** ]

    Go into a Python shell on debugger entry.

    See also:
    ---------

    `python`"""

    in_list = True
    min_abbrev = len("autopy")  # Need at least "set autopy"

    python_cmd = None

    def run(self, args):
        Mcmdfns.run_set_bool(self, args)
        if self.settings["autopython"]:
            if self.python_cmd is None:
                self.python_cmd = self.proc.commands["python"].run
                pass
            self.proc.add_preloop_hook(self.run_python, -1)
        else:
            self.proc.remove_preloop_hook(self.run_python)
            pass
        Mcmdfns.run_show_bool(self)
        return

    def run_python(self, args):
        leave_loop = self.python_cmd(["python"])
        if not leave_loop:
            Mcmdproc.print_location(self.proc)
        return leave_loop

    pass


if __name__ == "__main__":
    from trepan.processor.command.set_subcmd import __demo_helper__ as Mhelper

    Mhelper.demo_run(SetAutoPython)
    pass
