Recently I was writing code to register names and theirattributes. There were enough attributes that I didn't want to specifyall of them all of the time, so I did the obvious Python thing: I madethe register() function take a bunch of keyword arguments that haddefault values. The attributes are stored with a struct object , because I wanted an attrs.attribute syntax for accessing them.

The straightforward way to initialize the struct object was to write' vi = ViewInfo(factory = factory, onDir