source: src/mlx/mlx.py@ 999:e096a5638b87

from .config import Config
from .i18n import setLanguage
from .sound import preInitializeSound, initializeSound, finalizeSound
from .util import secondaryInstallation
from .const import VERSION
from .watchdog import Watchdog

import os
import sys

#--------------------------------------------------------------------------------------

## @package mlx.mlx
#
# The main program.
#
# This module contains the main program of the logger as well as the \ref
# restart "restart" handling.

#--------------------------------------------------------------------------------------

instance = None

#--------------------------------------------------------------------------------------

class StdIOHandler(object):
    """Handler for the standard I/O messages."""
    def __init__(self, gui):
        """Construct the handler."""
        self._gui = gui

    def write(self, text):
        """Write the given text into the log."""
        self._gui.writeStdIO(text)

#--------------------------------------------------------------------------------------

def restart(args = []):
    """Restart the program with the given arguments."""
    #print "Restarting with args", args
    programPath = os.path.join(os.path.dirname(sys.argv[0]),
                               "runmlx.exe" if os.name=="nt" else "runmlx.sh")
    if os.name=="nt":
        import win32api
        try:
            programPath = win32api.GetShortPathName(programPath)
        except:
            programPath = os.path.join(os.path.dirname(sys.argv[0]),
                                       "runmlx.bat")
            programPath = win32api.GetShortPathName(programPath)

    args = [programPath] + args

    instance.close()
    os.execv(programPath, args)

#--------------------------------------------------------------------------------------

def main():
    """The main operation of the program."""
    from .singleton import SingleInstance, raiseCallbackWrapper

    global instance
    instance = SingleInstance("mlx" + ("-secondary" if secondaryInstallation
                                       else ""), raiseCallbackWrapper)
    if not instance: return

    programDirectory = os.path.dirname(sys.argv[0])

    config = Config()
    config.load()

    secondaryArgs = ["secondary"] if secondaryInstallation else []
    if "usedeflang" not in sys.argv and config.setupLocale():
        restart(["usedeflang"] + secondaryArgs)

    setLanguage(programDirectory, config.getLanguage())

    preInitializeSound()

    from .gui.gui import GUI
    gui = GUI(programDirectory, config)

    sys.stdout = StdIOHandler(gui)
    sys.stderr = StdIOHandler(gui)

    print("MAVA Logger X " + VERSION + " debug log")
    print("The initial configuration:")
    config.log()

    initializeSound(os.path.join(programDirectory, "sounds"))

    try:
        Watchdog().start()

        gui.build(programDirectory)

        gui.run()

        finalizeSound()
    finally:
        gui.flushStdIO()
        sys.stdout = sys.__stdout__
        sys.stderr = sys.__stderr__

    config.save()

    if gui.toRestart:
        restart(secondaryArgs)

#--------------------------------------------------------------------------------------

if __name__ == "__main__":
    if instance:
        main()