#!/usr/bin/python
# Copyright 2011  Lars Wirzenius
# 
# 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/>.


import cliapp
import logging
import subprocess


__version__ = '0.0'


class Unperish(cliapp.Application):

    def cmd_version(self, args):
        self.output.write('%s\n' % self.get_upstream_version())

    def get_upstream_version(self):
        return self.runcmd('python', 'setup.py', '--version').strip()

    def runcmd(self, *argv, **kwargs):
        logging.debug('runcmd: %s' % repr(argv))
        p = subprocess.Popen(argv, 
                             stdin=subprocess.PIPE, 
                             stdout=subprocess.PIPE,
                             stderr=subprocess.PIPE, 
                             **kwargs)
        out, err = p.communicate('')
        if p.returncode:
            raise cliapp.AppException('command failed: %s\n%s' % (argv, err))
        return out


if __name__ == '__main__':
    Unperish(version=__version__).run()