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Viewing changes to glchess/src/lib/ai.py

  • Committer: Package Import Robot
  • Author(s): Didier Roche
  • Date: 2008-10-21 00:30:34 UTC
  • mfrom: (1.1.58)
  • Revision ID: package-import@ubuntu.com-20081021003034-cb0iknvzten935zn
Tags: 1:2.24.1-0ubuntu1
https://launchpad.net/bugs/286667
https://launchpad.net/bugs/238978
https://launchpad.net/bugs/279616
* New upstream release (LP: #286667)
  - General:
    - Fix up compatiblity with Gtk/Glib 2.14
    - Reclassify Gnibbles as Arcade game not logic game
    - Read saved window configuration from correct GConf group (affects
      gnometris, gnibbles, gnobots)
  - Aisleriot:
    - Remove vestigal flowRoot elements from solitaire svg icons. They
      caused a black box when rendering.
    - Don't crash when the session manager terminates aisleriot
  - GLChess:
    - Fix crash in error handler when GGZ connection closed
    - Fix crash in empty scene when no AI engines available
    - Fix crash when have OpenGL libraries but cannot get valid display
    - Implement GGZ config parser instead of using Python config parser
      which does not handle '%' characters as GGZ does
    - Ignore GGZ server remove player/table for unknown players/tables
    - Handle exceptions loading OpenGL textures
    - Reset pause menu when starting new game
    - Only allow one new/load game dialog to be visible at once
    - Fix incorrect function call for single buffered 3D display
    - Handle fork() errors in AI processes
    - Fixes to compile in Solaris
    - Print failure to start message to stdout if cannot import GTK+
    - Handle invalid response from glRenderMode(GL_RENDER) and print
      debugging information
    - More logging messages about selection rendering bugs
    - After looking at failure case in PyOpenGL code we don't need to change
      render modes after failed to change to GL_SELECT
    - Fix potential bugs found by PyChecker
    - Fix crash when validly claiming a draw
    - Don't display failed to claim draw dialog when successfully claimed
      draw
  - GTali:
    - Undoing 5 of a kind reduces the score by 50 as there might be multiple
      scores (LP: #238978)
  - Sudoku:
    - Add not overwrite time and also remember to actually save the time in
      the file (LP: #279616)
    - Correct typo in error message that led to an exception
  - Gnotravex:
    - Stop paused tiles becoming visible after changing colour settings
  - Blackjack:
    - Fix compiler warnings

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glchess/src/lib/ai.py
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import select
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import signal
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import xml.dom.minidom
 
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import xml.parsers.expat
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import game
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import cecp
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        self.__fromEngineFd = fromManagerOutput
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        # Fork off a child process to manage the engine
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        self.__pid = os.fork()
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        if self.__pid == 0:
 
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        try:
 
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            self.__pid = os.fork()
 
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        except OSError, e:
 
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            print 'Monitor failed to fork: %s' % e.message
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            os.close(toManagerInput)
 
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            os.close(toManagerOutput)
 
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            os.close(fromManagerInput)
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            os.close(fromManagerOutput)
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            self._runMonitor(fromManagerInput, toManagerOutput)
 
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            self.__toEngineFd = None
 
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            self.__fromEngineFd = None
 
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        else:
 
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            if self.__pid == 0:
 
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                os.close(toManagerInput)
 
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                os.close(fromManagerOutput)
 
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                self._runMonitor(fromManagerInput, toManagerOutput)
 
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                os.close(toManagerOutput)
 
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                os.close(fromManagerInput)
 
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                os._exit(0)
 
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            os.close(toManagerOutput)
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            os.close(fromManagerInput)
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            os._exit(0)
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        os.close(toManagerOutput)
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        os.close(fromManagerInput)
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        if profile.protocol == CECP:
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            self.connection = CECPConnection(self)
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        elif profile.protocol == UCI:
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            self.connection = UCIConnection(self)
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        else:
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            assert(False)
 
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            if profile.protocol == CECP:
 
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                self.connection = CECPConnection(self)
 
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            elif profile.protocol == UCI:
 
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                self.connection = UCIConnection(self)
 
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            else:
 
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                assert(False)
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        self.connection.start()
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        self.connection.startGame()
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        try:
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            level = self.__profile.levels[self.__level]
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        except KeyError:
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            self.connection.configure()
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        else:
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            self.connection.configure(level.options)
 
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            self.connection.start()
 
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            self.connection.startGame()
 
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            try:
 
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                level = self.__profile.levels[self.__level]
 
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            except KeyError:
 
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                self.connection.configure()
 
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            else:
 
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                self.connection.configure(level.options)
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    # Methods to extend
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    def onPlayerMoved(self, player, move):
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        """Called by game.ChessPlayer"""
 
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        if self.__toEngineFd == None:
 
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            return
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        isSelf = player is self and self.moving
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        self.moving = False
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        self.connection.reportMove(move.canMove, isSelf)
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    def readyToMove(self):
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        """Called by game.ChessPlayer"""
 
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        if self.__toEngineFd == None:
 
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            self.die()
 
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            return
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        game = self.getGame()
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        whiteTime = game.getWhite().getRemainingTime()
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        blackTime = game.getBlack().getRemainingTime()
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        (fromEngineOutput, fromEngineInput) = os.pipe()
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        # Fork and execute the child
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        enginePID = os.fork()
 
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        try:
 
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            enginePID = os.fork()
 
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        except OSError, e:
 
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            print 'Monitor failed to fork: %s' % e.message
 
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            os._exit(1);
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        if enginePID == 0:
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            os.close(toApplicationFd)
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            os.close(fromApplicationFd)