diff options
Diffstat (limited to 'gtp.py')
| -rw-r--r-- | gtp.py | 66 |
1 files changed, 66 insertions, 0 deletions
@@ -0,0 +1,66 @@ +# -*- coding: UTF-8 -*- +# Copyright 2007-2008 One Laptop Per Child +# Copyright 2008 Andrés Ambrois <andresambrois@gmail.com> +# +# 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 2 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, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +from subprocess import Popen, PIPE +import logging + +logger = logging.getLogger('PlayGo') + +class gnugo: + ''' A wrapper for talking to gnugo over GTP ''' + def __init__(self, boardsize=19, color='black', handicap=0, komi=5.5, level=3): + ''' Start the gnugo subprocess ''' + self.color = color + try: + self.gnugo = Popen(['gnugo', '--mode', 'gtp', '--boardsize', str(boardsize), + '--handicap', str(handicap), '--komi', str(komi), '--level', str(level) ], + stdout=PIPE, stdin=PIPE) + except: + logger.error('Could not start gnugo subprocess') + else: + logger.debug('Successfuly loaded gnugo!') + self.stdin = self.gnugo.stdin + self.stdout = self.gnugo.stdout + + def __del__(self): + self.stdin.write('quit \n') + + def _xy_to_coords(self, x, y): + return dict(zip(range(0, 26), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'))[x] + str(y) + + def _coords_to_xy(self, coords): + return int(dict(zip('ABCDEFGHIJKLMNOPQRSTUVWXYZ', range(0, 26)))[coords[0]]), int(coords[1:]) + + def make_play(self, x, y): + self.stdin.write('play %s %s\n' % (self.color, self._xy_to_coords(x, y))) + self.stdin.flush() + output = self.stdout.readline() + self.stdout.readline() + if output[0] == '?': + return False + return True + + def get_move(self, color): + self.stdin.write('genmove %s\n' % color) + self.stdin.flush() + output = self.stdout.readline() + self.stdout.readline() + if output[0] == '?': + # FIXME: Handle error + return False + return self._coords_to_xy(output[2:]) |