run_gui.py 文件源码

def show_gui():
    deps_gtk = GuiCommon.requirements_details_gtk()
    report_gtk = GuiCommon.get_dependency_report(deps_gtk, prefix="\t")
    if GuiCommon.check_dependencies(deps_gtk):
        from pycam.Gui.Project import ProjectGui
        gui_class = ProjectGui
    else:
        full_report = []
        full_report.append("PyCAM dependency problem")
        full_report.append("Error: Failed to load the GTK interface.")
        full_report.append("Details:")
        full_report.append(report_gtk)
        full_report.append("")
        full_report.append("Detailed list of requirements: %s" % GuiCommon.REQUIREMENTS_LINK)
        log.critical(os.linesep.join(full_report))
        return EXIT_CODES["requirements"]

    event_manager = get_event_handler()
    gui = gui_class(event_manager)
    # initialize plugins
    plugin_manager = pycam.Plugins.PluginManager(core=event_manager)
    plugin_manager.import_plugins()
    # some more initialization
    gui.reset_preferences()
    # TODO: preferences are not loaded until the new format is stable
#   self.load_preferences()

    # tell the GUI to empty the "undo" queue
    gui.clear_undo_states()

    event_manager.emit_event("notify-initialization-finished")

    # open the GUI
    get_mainloop(use_gtk=True).run()
    # no error -> return no error code
    return None