132 lines
3.3 KiB
Python
Executable File
132 lines
3.3 KiB
Python
Executable File
#!/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)
|
|
while 1:
|
|
self.child.read(1, 60)
|
|
self.term.process (c)
|
|
if self.term.cur_r == r and self.term.cur_c == c:
|
|
return 1
|
|
|
|
def do_first_move (self, move):
|
|
self.child.expect ('Your move is')
|
|
self.child.sendline (move)
|
|
self.term.process_list (self.before)
|
|
self.term.process_list (self.after)
|
|
return move
|
|
|
|
def do_move (self, move):
|
|
read_until_cursor (19,60)
|
|
#self.child.expect ('\[19;60H')
|
|
self.child.sendline (move)
|
|
print 'do_move' move
|
|
return move
|
|
|
|
def get_first_computer_move (self):
|
|
self.child.expect ('My move is')
|
|
self.child.expect (REGEX_MOVE)
|
|
# print '', self.child.after
|
|
return self.child.after
|
|
|
|
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, os
|
|
print 'Starting...'
|
|
white = Chess()
|
|
white.child.echo = 1
|
|
white.child.expect ('Your move is')
|
|
white.set_depth(2)
|
|
white.switch()
|
|
|
|
move_white = white.get_first_computer_move()
|
|
print 'first move white:', move_white
|
|
|
|
white.do_move ('e7e5')
|
|
move_white = white.get_computer_move()
|
|
print 'move white:', move_white
|
|
white.do_move ('f8c5')
|
|
move_white = white.get_computer_move()
|
|
print 'move white:', move_white
|
|
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()
|
|
|
|
|