view.py 文件源码

def getSubview(self, request, node, model, viewName):
        """Get a sub-view from me.

        @returns: L{widgets.Widget}
        """
        view = None
        vm = getattr(self, 'wvfactory_' + viewName, None)
        if vm is None:
            vm = getattr(self, 'factory_' + viewName, None)
            if vm is not None:
                warnings.warn("factory_ methods are deprecated; please use "
                              "wvfactory_ instead", DeprecationWarning)
        if vm:
            if vm.func_code.co_argcount == 3 and not type(vm) == types.LambdaType:
                 warnings.warn("wvfactory_ methods take (request, node, "
                               "model) instead of (request, node) now. \n"
                               "Please instantiate your widgets with a "
                               "reference to model instead of self.model",
                               DeprecationWarning)
                 self.model = model
                 view = vm(request, node)
                 self.model = self.mainModel
            else:
                view = vm(request, node, model)

        setupMethod = getattr(self, 'wvupdate_' + viewName, None)
        if setupMethod:
            if view is None:
                view = widgets.Widget(model)
            view.setupMethods.append(setupMethod)
        return view