app.py 文件源码

def show(root=None, debug=False, parent=None, use_context=False):
    """Display Loader GUI

    Arguments:
        debug (bool, optional): Run loader in debug-mode,
            defaults to False
        parent (QtCore.QObject, optional): The Qt object to parent to.
        use_context (bool): Whether to apply the current context upon launch

    """

    # Remember window
    if module.window is not None:
        try:
            module.window.show()

            # If the window is minimized then unminimize it.
            if module.window.windowState() & QtCore.Qt.WindowMinimized:
                module.window.setWindowState(QtCore.Qt.WindowActive)

            # Raise and activate the window
            module.window.raise_()             # for MacOS
            module.window.activateWindow()     # for Windows
            module.window.refresh()
            return
        except RuntimeError as e:
            if not e.message.rstrip().endswith("already deleted."):
                raise

            # Garbage collected
            module.window = None

    if debug:
        import traceback
        sys.excepthook = lambda typ, val, tb: traceback.print_last()

        io.install()

        any_project = next(
            project for project in io.projects()
            if project.get("active", True) is not False
        )

        api.Session["AVALON_PROJECT"] = any_project["name"]
        module.project = any_project["name"]

    with lib.application():
        window = Window(parent)
        window.show()

        if use_context:
            context = {"asset": api.Session['AVALON_ASSET'],
                       "silo": api.Session['AVALON_SILO']}
            window.set_context(context, refresh=True)
        else:
            window.refresh()

        module.window = window