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#!/usr/bin/env python
'''This demonstrates controlling a screen oriented application (curses).
It starts two instances of gnuchess and then pits them against each other.
PEXPECT LICENSE
This license is approved by the OSI and FSF as GPL-compatible.
http://opensource.org/licenses/isc-license.txt
Copyright (c) 2012, Noah Spurrier <noah@noah.org>
PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
'''
from __future__ import print_function
from __future__ import absolute_import
import pexpect
from pexpect import ANSI
REGEX_MOVE = r'(?:[a-z]|\x1b\[C)(?:[0-9]|\x1b\[C)(?:[a-z]|\x1b\[C)(?:[0-9]|\x1b\[C)'
REGEX_MOVE_PART = r'(?:[0-9]|\x1b\[C)(?:[a-z]|\x1b\[C)(?:[0-9]|\x1b\[C)'
class Chess:
def __init__(self, engine = "/usr/local/bin/gnuchess -a -h 1"):
self.child = pexpect.spawn (engine)
self.term = ANSI.ANSI ()
# self.child.expect ('Chess')
# if self.child.after != 'Chess':
# raise IOError, 'incompatible chess program'
# self.term.process_list (self.before)
# self.term.process_list (self.after)
self.last_computer_move = ''
def read_until_cursor (self, r,c):
fout = open ('log','a')
while 1:
k = self.child.read(1, 10)
self.term.process (k)
fout.write ('(r,c):(%d,%d)\n' %(self.term.cur_r, self.term.cur_c))
fout.flush()
if self.term.cur_r == r and self.term.cur_c == c:
fout.close()
return 1
sys.stdout.write (k)
sys.stdout.flush()
def do_scan (self):
fout = open ('log','a')
while 1:
c = self.child.read(1,10)
self.term.process (c)
fout.write ('(r,c):(%d,%d)\n' %(self.term.cur_r, self.term.cur_c))
fout.flush()
sys.stdout.write (c)
sys.stdout.flush()
def do_move (self, move):
self.read_until_cursor (19,60)
self.child.sendline (move)
return move
def get_computer_move (self):
print('Here')
i = self.child.expect ([r'\[17;59H', r'\[17;58H'])
print(i)
if i == 0:
self.child.expect (REGEX_MOVE)
if len(self.child.after) < 4:
self.child.after = self.child.after + self.last_computer_move[3]
if i == 1:
self.child.expect (REGEX_MOVE_PART)
self.child.after = self.last_computer_move[0] + self.child.after
print('', self.child.after)
self.last_computer_move = self.child.after
return self.child.after
def switch (self):
self.child.sendline ('switch')
def set_depth (self, depth):
self.child.sendline ('depth')
self.child.expect ('depth=')
self.child.sendline ('%d' % depth)
def quit(self):
self.child.sendline ('quit')
import sys
print('Starting...')
white = Chess()
white.do_move('b2b4')
white.read_until_cursor (19,60)
c1 = white.term.get_abs(17,58)
c2 = white.term.get_abs(17,59)
c3 = white.term.get_abs(17,60)
c4 = white.term.get_abs(17,61)
fout = open ('log','a')
fout.write ('Computer:%s%s%s%s\n' %(c1,c2,c3,c4))
fout.close()
white.do_move('c2c4')
white.read_until_cursor (19,60)
c1 = white.term.get_abs(17,58)
c2 = white.term.get_abs(17,59)
c3 = white.term.get_abs(17,60)
c4 = white.term.get_abs(17,61)
fout = open ('log','a')
fout.write ('Computer:%s%s%s%s\n' %(c1,c2,c3,c4))
fout.close()
white.do_scan ()
#white.do_move ('b8a6')
#move_white = white.get_computer_move()
#print 'move white:', move_white
sys.exit(1)
black = Chess()
white = Chess()
white.child.expect ('Your move is')
white.switch()
move_white = white.get_first_computer_move()
print('first move white:', move_white)
black.do_first_move (move_white)
move_black = black.get_first_computer_move()
print('first move black:', move_black)
white.do_move (move_black)
done = 0
while not done:
move_white = white.get_computer_move()
print('move white:', move_white)
black.do_move (move_white)
move_black = black.get_computer_move()
print('move black:', move_black)
white.do_move (move_black)
print('tail of loop')
g.quit()
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