147 lines
4.7 KiB
Python
147 lines
4.7 KiB
Python
"""GTP proxy for use with kgsGtp.
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This supports saving a game record after each game, if the underlying engine
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supports gomill-savesgf.
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"""
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import os
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import sys
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from optparse import OptionParser
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from gomill import gtp_engine
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from gomill import gtp_proxy
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from gomill.gtp_engine import GtpError
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from gomill.gtp_controller import BadGtpResponse
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class Kgs_proxy(object):
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"""GTP proxy for use with kgsGtp.
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Instantiate with command line arguments.
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Calls sys.exit on fatal errors.
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"""
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def __init__(self, command_line_args):
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parser = OptionParser(usage="%prog [options] <back end command> [args]")
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parser.disable_interspersed_args()
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parser.add_option("--sgf-dir", metavar="PATHNAME")
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parser.add_option("--filename-template", metavar="TEMPLATE",
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help="eg '%03d.sgf'")
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opts, args = parser.parse_args(command_line_args)
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if not args:
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parser.error("must specify a command")
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self.subprocess_command = args
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self.filename_template = "%04d.sgf"
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try:
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opts.filename_template % 3
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except Exception:
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pass
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else:
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self.filename_template = opts.filename_template
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self.sgf_dir = opts.sgf_dir
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if self.sgf_dir:
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self.check_sgf_dir()
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self.do_savesgf = True
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else:
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self.do_savesgf = False
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def log(self, s):
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print >>sys.stderr, s
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def run(self):
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self.proxy = gtp_proxy.Gtp_proxy()
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try:
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self.proxy.set_back_end_subprocess(self.subprocess_command)
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self.proxy.engine.add_commands(
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{'genmove' : self.handle_genmove,
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'kgs-game_over' : self.handle_game_over,
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})
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if (self.do_savesgf and
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not self.proxy.back_end_has_command("gomill-savesgf")):
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sys.exit("kgs_proxy: back end doesn't support gomill-savesgf")
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# Colour that we appear to be playing
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self.my_colour = None
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self.initialise_name()
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except gtp_proxy.BackEndError, e:
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sys.exit("kgs_proxy: %s" % e)
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try:
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self.proxy.run()
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except KeyboardInterrupt:
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sys.exit(1)
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def initialise_name(self):
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def shorten_version(name, version):
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"""Clean up redundant version strings."""
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if version.lower().startswith(name.lower()):
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version = version[len(name):].lstrip()
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# For MoGo's stupidly long version string
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a, b, c = version.partition(". Please read http:")
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if b:
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version = a
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return version[:32].rstrip()
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self.my_name = None
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try:
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self.my_name = self.proxy.pass_command("name", [])
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version = self.proxy.pass_command("version", [])
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version = shorten_version(self.my_name, version)
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self.my_name += ":" + version
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except BadGtpResponse:
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pass
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def handle_genmove(self, args):
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try:
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self.my_colour = gtp_engine.interpret_colour(args[0])
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except IndexError:
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gtp_engine.report_bad_arguments()
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return self.proxy.pass_command("genmove", args)
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def check_sgf_dir(self):
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if not os.path.isdir(self.sgf_dir):
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sys.exit("kgs_proxy: can't find save game directory %s" %
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self.sgf_dir)
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def choose_filename(self, existing):
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existing = set(existing)
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for i in xrange(10000):
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filename = self.filename_template % i
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if filename not in existing:
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return filename
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raise StandardError("too many sgf files")
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def handle_game_over(self, args):
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"""Handler for kgs-game_over.
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kgsGtp doesn't send any arguments, so we don't know the result.
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"""
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def escape_for_savesgf(s):
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return s.replace("\\", "\\\\").replace(" ", "\\ ")
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if self.do_savesgf:
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filename = self.choose_filename(os.listdir(self.sgf_dir))
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pathname = os.path.join(self.sgf_dir, filename)
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self.log("kgs_proxy: saving game record to %s" % pathname)
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args = [pathname]
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if self.my_colour is not None and self.my_name is not None:
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args.append("P%s=%s" % (self.my_colour.upper(),
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escape_for_savesgf(self.my_name)))
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try:
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self.proxy.handle_command("gomill-savesgf", args)
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except GtpError, e:
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# Hide error from kgsGtp, though I don't suppose it would care
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self.log("error: %s" % e)
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def main():
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kgs_proxy = Kgs_proxy(sys.argv[1:])
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kgs_proxy.run()
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if __name__ == "__main__":
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main()
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