#!/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 subprocess
import time


class SpeedTest(cliapp.Application):

    def add_settings(self):
        self.settings.string_list(['command', 'c'],
                                  'add COMMAND to list of commands to measure',
                                  metavar='COMMAND')

    def process_args(self, args):
        for cmd in self.settings['command']:
            self.speed_test(cmd, args)

    def speed_test(self, cmd, args):
        with open('/dev/null', 'w') as devnull:
            start = time.time()
            subprocess.check_call([cmd] + args, stdout=devnull)
            end = time.time()
        self.output.write('%.0f %s\n' % (end - start, cmd))


if __name__ == '__main__':
    SpeedTest().run()