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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.
'''
import pexpect
import string
import ANSI
REGEX_MOVE = '(?:[a-z]|\x1b\[C)(?:[0-9]|\x1b\[C)(?:[a-z]|\x1b\[C)(?:[0-9]|\x1b\[C)'
REGEX_MOVE_PART = '(?:[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 True:
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 True:
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(['\[17;59H', '\[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
import os
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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